10 Best Free AI Video Generators From Images, Tested

Ten free AI tools that turn a still photo into a moving clip, tested on the same three images. CapCut wins on balance, and every free tier limit is listed.

Short answer: start with CapCut. It turns a still photo into a moving clip in under 2 minutes, exports without a watermark on the free plan, and runs on Android, iOS, Windows and macOS. Want cinematic camera movement instead? Runway ML. Need a presenter reading a script? Synthesia. Building a whole production rather than one clip? Pixmax.

I ran the same three images through every tool on this list: a portrait, a landscape, and a product shot on a white background. Same source files, same export settings, same stopwatch. Most of them handed back something watchable in under 2 minutes. Two of them took closer to 6 minutes and produced a slideshow with a fade on it, and those are not here.

Making the video is the easy part now. Picking the tool is not. Search for video AI generators and you get a wall of landing pages that all promise cinematic output and all bury the watermark policy three clicks down. Half of them are the same template engine with a different logo.

So the list is ordered by what each tool is actually good at. Every entry gives the price, the platforms it runs on, a screenshot of the real interface and the parts that annoyed me. Free tier limits are spelled out for all ten.

What the testing turned up

  • Best overallCapCut. Clean exports on the free plan and the shortest learning curve.
  • Best motionRunway ML. The only one that produced camera movement I would call believable.
  • Best presenterSynthesia. 150+ avatars and voice in 120+ languages.
  • Best production suitePixmax. Storyboard, 3D staging and 4K upscaling on one canvas.
  • Cheapest paid tierFlexClip, at $9.99 per month.

How the ten tools compare

Prices are the cheapest paid tier at the time of testing, and the free tier column says what you actually get without paying. Read that column first: it is the one that decides whether a free plan is usable for published work or only for drafts. Every tool here has some free access, but three of them stamp their logo on the export, and one runs on a trial only. In the last column, browser means it runs in any modern browser with nothing to install, and desktop means there is a Windows and macOS app as well.

ToolBest forFree tierPaid planRuns on
CapCutEverything, in one appFull quality, no watermarkOptionalAndroid, iOS, desktop
Pictory AIFast social clipsYes, limited minutes$19/moBrowser, desktop
Pixmax AIFull productionsYes, credit basedCreditsBrowser
AnimotoPhoto slideshowsYes, branded export$16/moBrowser, iOS, desktop
Runway MLCinematic motionYes, limited credits$12/moBrowser, Android, iOS
SynthesiaPresenter videoTrial only$22/moBrowser
Designs.aiBranded marketingYes, limited$19/moBrowser
FlexClipAbsolute beginnersYes, watermarked$9.99/moBrowser
Lumen5Article to videoYes, branded$19/moBrowser
InVideoTemplate plus timelineYes, watermarked$15/moBrowser, Android, iOS

How I chose these ten tools

I work with these tools daily across client content, so this is not a weekend trial. Everything below was tested on a Windows laptop and on a MacBook Air with an M1 chip, over months rather than an afternoon. Tools that needed a tutorial before they produced anything were cut, and so were the ones that hid a watermark behind a free signup. Five things decided the ranking.

The five criteria

  • Ease of useHow far a first time user gets before they need a tutorial.
  • Motion qualityWhether the AI reads depth out of a flat photo or just pans across it.
  • Output qualitySharpness, colour and motion smoothness after export, not in the preview.
  • ControlHow much of the transition, filter, voice and music choice you can override.
  • Speed and stabilityRender time on a 30 second clip, and whether it failed on a long one.

CapCut

Free editor with AI built in

CapCut is the tool I reach for first. It animates a still photo with pans, zooms and depth in about 40 seconds, adds a voiceover from typed text, and exports clean on the free tier. It also doubles as a YouTube Shorts maker when you need vertical output.

CapCut editor with an image-to-video template open on the timeline
  • Best forThe all-rounder. One free account covers motion, voice, captions and upscaling.
  • PriceFree; CapCut Pro unlocks the rest
  • Runs onAndroid, iOS, Windows, macOS
  • Our rating4.5/5
  • Ease of use5/5

The good

  • Drag and drop editing that a first timer can follow
  • Exports at full quality with no watermark on the free plan
  • Text to speech in a long list of accents and languages
  • AI upscaler rescues a soft source image

The bad

  • Several AI effects only render while you are online
  • Keyframe control is thin if you edit professionally

Open CapCutGoogle PlayApp Store

CapCut Video Editor was the first tool I tried that proved both practical and easy to use. It is more than an editor: the AI features for motion, sound and captions live in the same app. Its image to video generator turns a still into a clip with motion, sound and style within minutes.

Key features

CapCut takes the top slot on breadth rather than polish.

  • Image AI video generator: Adds automatic motion, transitions and depth to a still image. Several templates make the photo look professionally filmed, with cinematic pans, zooms and animation.
  • Text-to-speech AI: Turns typed text into a voiceover within seconds, in a range of accents, tones and languages. You get narration without recording any audio.
  • AI voice changer: Over 350 voice effects let you change pitch, tone and gender for dynamic audio.
  • AI video upscaler: A built-in enhancement option that improves image and video quality. It can turn a low-quality image into high-definition video, even from a soft source.
  • Auto captions and subtitles: Recognizes speech in the soundtrack or your script and generates accurate captions. That saves hours of typing and makes the video more accessible.
  • Background remover: Removes an unwanted background from an image or video in one click. You can also swap the scene or isolate an object for a cleaner look.
  • Creative templates and effects: A wide range of templates and effects, including social media transitions, color filters and cinematic effects, to style the video.
  • Cross-platform sync: Projects sync between devices, so you can start on desktop and continue on mobile.

Personal experience

I have tried several editing programs, and CapCut’s AI video generator is the one I keep coming back to, especially for turning still pictures into engaging videos. Its image to video generator is straightforward but still looks professional. It feels like a creative assistant that does most of the work.

I have used it for personal projects, customer promos and social media content, and the results always look good. Many people do not know that CapCut also works as a YouTube Shorts maker, which makes vertical videos quick to produce.

Pictory AI

Social clips without a timeline

Pictory is the shortcut. Upload an image, pick a style, and it writes the captions, picks the music and hands back a social clip. You trade creative control for speed, which is the right trade when you are posting daily.

Pictory AI dashboard with the image to video option selected
  • Best forSame day social posts when you do not want to touch a timeline.
  • PriceFree plan; paid from $19 per month
  • Runs onBrowser, Windows, macOS
  • Our rating4.5/5
  • Ease of use5/5

The good

  • Turns one image into a finished clip without setup
  • AI voiceovers that do not sound synthetic
  • Auto captions are accurate enough to publish as is
  • Projects live in the cloud, so any machine picks them up

The bad

  • Editing controls are basic once you want a specific look
  • Nothing works offline

Open Pictory

Pictory AI is a beginner-friendly video generator with a free plan. It turns still images into dynamic, shareable clips quickly and automatically, and you need no video experience to use it.

Key features

Pictory keeps the workflow short, and most of what it offers is automatic.

  • Image to video conversion: Automatically turns still images into short videos with effects and smooth transitions.
  • AI voiceovers: Realistic-sounding voiceovers in a range of tones and accents, so you can match the voice to your content.
  • Auto captions: Creates accurate captions that match your video.
  • Template library: Configurable templates for different video types, including social media posts, marketing and storytelling.
  • Cloud-based editing: Projects live in the cloud, so you can open them from any device. That suits agencies and remote workers.

Personal experience

In testing, Pictory turned a single image into a dynamic clip within a few seconds, ready to post on social media. The process was simple: add an image, pick a style, and wait while the AI does the heavy lifting.

I liked that it added captions and background music automatically, with no manual work on my end. It does not give you as much creative freedom as CapCut, but it works well for quick, polished results with minimal tinkering.

Pixmax AI

Consistent multi shot scenes

Pixmax is the newcomer here and the only one built around a canvas rather than a timeline. It aggregates Seedance, GPT Image, Midjourney and MiniMax behind one login, so a screenplay can become a full production without four separate subscriptions.

Pixmax AI model library showing Seedance, VEO 3.1, Kling, GPT Image 2 and ElevenLabs in one dashboard
  • Best forMulti shot productions where scene and character consistency matter.
  • PriceFree tier, then paid credit packs
  • Runs onAny browser
  • Our rating4.6/5
  • Ease of use4.4/5

The good

  • One subscription covers several top video, image and audio models
  • Infinite canvas links image, video and audio steps into a reusable workflow
  • 3D stage editor sets camera angles and character positions before rendering
  • Built in super resolution takes a low res clip up to 4K

The bad

  • The canvas takes a session to learn if you come from a timeline editor
  • Overkill for a single social clip

Open Pixmax

Pixmax was the only tool here that made me stop thinking in clips and start thinking in scenes. It is a browser workspace that puts Seedance, GPT Image, Midjourney and MiniMax behind one login, so the image model that draws a character and the video model that moves that character sit on the same canvas. If you have ever juggled four subscriptions to finish one short piece, that is the whole pitch.

Key features

Pixmax is the youngest tool on this list, so it is worth being specific about what the canvas actually does before you judge it against an editor you already know.

  • Multi model access: One account reaches Seedance, GPT Image, Midjourney and MiniMax for video, stills and audio, so you are not paying four vendors to finish one project.
  • Infinite canvas: Every step, a prompt, a still, a clip, a voice track, lands as a node you can rewire and rerun, which turns a one-off render into a workflow you reuse next week.
  • 3D stage editor: You set camera angle, character position and framing in a rough 3D scene before anything renders, which is how shots stay consistent with each other.
  • Character consistency: Lock a character once and it carries across shots, the single hardest thing to pull out of a plain text to video prompt.
  • Super resolution: A built in upscaler takes a low resolution draft up to a deliverable master without a second tool.
  • Screenplay to production: Paste a script and the canvas breaks it into shots you can cast, stage and render in order.

Personal experience

I gave Pixmax the same portrait the other nine tools got, then pushed further and asked for a three shot sequence with the same character in each one. That is where the difference showed up. The timeline tools each handed me a good clip and then a stranger in the next shot. Pixmax kept the face.

The trade is speed. A canvas wants the graph built before it gives you anything, so my first render took longer than CapCut needed for the entire job. For one clip today, this is not the tool. For anything with more than one shot in it, it is the only one here that holds the thread.

Animoto

Photo library to marketing clip

Animoto is a slideshow engine with good taste. Drop in a folder of photos, choose a template, and the transitions and music timing are already handled. Brand colours and a logo can be locked in once and reused.

Animoto template picker with a photo slideshow project open
  • Best forSmall business marketing clips built from a photo library.
  • PriceFree plan; paid from $16 per month
  • Runs onBrowser, Windows, macOS, iOS
  • Our rating4.3/5
  • Ease of use4.7/5

The good

  • Template catalogue covers most business scenarios
  • Licensed music library is included
  • Brand kit keeps colours, fonts and the logo consistent
  • Nothing to install and projects sync across devices

The bad

  • The free plan stamps Animoto branding on every export
  • Less AI motion control than CapCut or Runway

Open AnimotoApp Store

Animoto is a user-friendly AI video generator from images with a free plan. It lets you make professional-looking videos without complex editing. It specializes in turning photos into moving slideshows with templates, transitions and AI-based automation, and it suits anything from a personal story to a small business marketing campaign.

Key features

Animoto runs entirely in the browser, and the interface is neither too complex nor too simple, so it takes little time to learn.

  • AI image to video creation: Turns still images into videos with transitions, animation and background music.
  • Pre-designed templates: A wide choice of templates for almost any scenario, from product videos to social media posts.
  • Music and stock library: A large library of licensed music and stock photos to go with your visuals.
  • Text and font customization: Full control over captions, fonts and titles, so the video matches your brand or your message.
  • Brand customization tools: Add brand colors, watermarks and logos to keep a consistent business look.
  • Cloud-based editing: Nothing to download or install. Projects are stored in your profile and open from any device, which keeps collaboration smooth.

Personal experience

I was impressed by how quickly Animoto turned a collection of photos into a complete video. The ready-made templates did most of the heavy work. The transitions, music and timing all came out right with almost no manual correction from me.

It is a good fit for simple marketing videos and quick social posts. Next to CapCut, though, Animoto falls a little short on customization and complex AI animation. For creators who want speed, simplicity and style in one place, it is still a reliable option.

Runway ML

Cinematic motion from one still

Runway produced the best looking motion in this test. Its diffusion model reads depth out of a flat photo, so the camera move looks filmed rather than keyframed. It is the most technical entry on the list and the one worth the learning curve.

Runway ML generation panel with an image to video prompt
  • Best forCinematic camera movement from a single still.
  • PriceFree plan; paid from $12 per month
  • Runs onBrowser, Android, iOS, Windows, macOS
  • Our rating4.6/5
  • Ease of use4.3/5

The good

  • Motion looks believable, with real parallax and lighting
  • Text to video covers shots you have no photo for
  • Upscaling and restoration clean up older source images
  • Generative fill removes objects without a visible patch

The bad

  • Beginners will hit a wall before they hit a result
  • Rendering needs a steady connection

Open RunwayGoogle PlayApp Store

Runway ML is a powerful AI video generator from images, built for creators, editors and professionals who want to experiment with advanced AI tools. Unlike a conventional video editor, it uses machine learning to turn photos into cinematic, motion-filled videos.

Key features

Runway ML sits at the research end of this list, and the feature set is why.

  • AI image to video generation: Uses motion diffusion to turn images into moving video, with realistic camera movement and an animated depth effect.
  • Text to video AI: Describe a scene in words and it generates a short video sequence.
  • AI video upscaling and restoration: Improves image and video quality, even on older or lower-quality photos.
  • Green screen without a green screen: Jump Skip works with a real green backdrop, or strips the background from a video or picture instantly.
  • Generative fill and inpainting: Fills in missing regions or removes unwanted objects from images and videos.
  • Collaborative editing: Several people can work on the same project at once, which suits teams and creative studios.

Personal experience

My first session with Runway ML was striking. It is unlike any video editing program I was used to. My motionless images came alive with movement, natural lighting and depth, all worked out by the AI from the image itself, and the result was a look I had not imagined.

I also enjoyed the text to video option: I described a scene and watched it come to life within seconds. Runway is more technical than an editor like CapCut, but once you know your way around it becomes a fun place to experiment. I would recommend it to anyone who wants to try AI-generated imagery and tell a story on screen from a single still.

Synthesia

AI presenters for training video

Synthesia solves a different problem: it puts a presenter in front of your images. Paste a script, pick one of 150+ avatars, and you get a training or explainer video with no camera and no studio.

Synthesia script editor with an AI presenter avatar selected
  • Best forTraining, onboarding and explainer video with a presenter.
  • PriceFree trial; paid from $22 per month
  • Runs onAny browser
  • Our rating4.7/5
  • Ease of use4.8/5

The good

  • 150+ avatars, so the presenter fits the audience
  • Voice in 120+ languages with matching subtitles
  • Corporate templates cover training and explainer formats
  • Output quality holds up in a workplace deck

The bad

  • Very little cinematic editing control
  • A custom avatar of your own face needs a paid plan

Open Synthesia

Synthesia is built mainly for businesses, teachers and marketers who need a quality video within minutes, with no camera, actors or studio. It uses AI avatars and voice-over to bring images and scripts to life, turning basic pictures and text into polished videos in a few minutes.

Key features

Synthesia is built around the presenter, and its features follow from that.

  • AI avatars and presenters: Choose from more than 150 realistic avatars and have one deliver your message in different tones and languages.
  • AI video generator from image: Upload photos to build presentations and marketing videos with natural motion and transitions.
  • Text-to-speech AI: Turns written scripts into a human-sounding voiceover in 120+ languages.
  • Custom avatars: Create a digital presenter of your own to represent your brand consistently.
  • Branded templates: Ready-made templates for corporate training, explainer videos and social media promotion.
  • Browser-based interface: Runs entirely online, with no software to install and no complex setup.

Personal experience

I was surprised how quickly Synthesia produced a video from a few pictures and a short script. The image to video generator gave my images professional transitions and context, and it ran smoothly. The AI avatars were my favorite part, because they make the video feel human and worth watching. I would use them in tutorials or presentations.

It lacks the advanced creative features CapCut has, but it is excellent for quick, business-oriented video. If you need training or explainer videos with minimal effort, Synthesia is a strong choice.

Designs.ai

Branded clips on a deadline

Designs.ai bundles video, voice and graphic design on one dashboard. It writes the script, reads it aloud and wraps the result in matching brand kits for travel, education or retail.

Designs.ai dashboard showing the video, logo and voice tools
  • Best forBranded marketing clips produced on a deadline.
  • PriceFree plan; paid from $19 per month
  • Runs onAny browser
  • Our rating4.4/5
  • Ease of use4.6/5

The good

  • Video, voice and design tools share one account
  • AI drafts the script, which removes the blank page problem
  • Industry brand kits keep output on brand
  • Multilingual output suits cross border campaigns

The bad

  • Animations look templated once you have seen a few
  • Longer renders are slow

Open Designs.ai

Designs.ai is a versatile video generator with a free plan, aimed at marketers and small businesses. It puts AI video generation, voiceovers and design tools on a single dashboard. It can turn plain pictures or written words into marketing videos quickly, which is its main draw.

Key features

Designs.ai is an AI-based editor with real range, and editing in it is more engaging than in most.

  • AI video generator from image: Turns uploaded pictures into video slideshows with moving elements and your branding.
  • AI script and voice: Writes a video script automatically and adds a voiceover with text-to-speech.
  • Smart templates: Suggests video styles and brand kits tailored to industries such as travel, education and business.
  • AI logo maker and design suite: Makes logos, banners, infographics and similar assets, and keeps the brand look the same across them.
  • Multilingual support: Works in multiple languages, which suits cross-border work and international companies.

Personal experience

Designs.ai helped a lot when I had to produce marketing clips quickly. Its image-based video generator converted product photos into branded videos with background music and text overlays.

The voice and AI script tools saved a lot of time, though the templates felt restrictive at times. It is still a good choice for keeping the visuals consistent across social platforms.

FlexClip

Fast results for beginners

FlexClip is the easiest one to hand to someone who has never edited video. Everything happens in the browser, the stock library is large, and the automatic transition and pacing choices were better than I expected for the price.

FlexClip browser editor with stock media panel open
  • Best forBeginners and small teams who need a result today.
  • PriceFree plan; paid from $9.99 per month
  • Runs onAny browser
  • Our rating4.5/5
  • Ease of use4.9/5

The good

  • Fastest path from upload to export in the group
  • No install and no account setup friction
  • Deep royalty free photo, clip and audio library
  • Auto subtitles in several languages

The bad

  • Customisation runs out quickly
  • Every feature depends on the connection

Open FlexClip

FlexClip is an image-based video generator that runs in the browser, built for accessibility and ease of use. It is meant for beginners and small teams who want good-looking videos from simple drag-and-drop tools.

Key features

The feature list is short, and most of it is automatic.

  • AI image to video conversion: Turns photos into a video in minutes, with effects and transitions added automatically.
  • AI subtitle generator: Generates captions automatically in several languages.
  • AI script to video: Turns text into video clips using built-in stock images and audio voices.
  • Stock library: One of the largest repositories of royalty-free photos, clips and audio.
  • Video trimmer and editor: Adds trimming and editing tools, with more of the editing automated.

Personal experience

I also liked FlexClip for quick edits from images. In a few minutes I uploaded photos, applied AI filters and saved a professional-looking video. It did a surprisingly good job of choosing transitions and pacing on its own.

It has fewer features than CapCut, but it is ideal for anyone who wants instant results without a steep learning curve.

Lumen5

Articles into social video

Lumen5 exists to recycle writing. Paste a blog URL, and it pulls the images and headline text into a storyboard with layouts sized for Instagram and YouTube. For a content team with an archive, that is a lot of video for very little work.

Lumen5 storyboard turning a blog post into video scenes
  • Best forTurning published articles into short social video.
  • PriceFree plan; paid from $19 per month
  • Runs onAny browser
  • Our rating4.4/5
  • Ease of use4.7/5

The good

  • Reads an article and picks the scenes itself
  • Brand kit applies colours, fonts and the logo automatically
  • Layouts are already sized per platform
  • Teams can work on the same project

The bad

  • The automatic layout choices repeat across projects
  • Not built for anything cinematic

Open Lumen5

Lumen5 is an AI video creation program that works well for content marketers and bloggers. It is especially good at converting blog posts and their images into engaging videos through its automation.

Key features

Lumen5 does one thing well, which is turning writing into video.

  • AI image to video: Turns photos and text into video stories, complete with music.
  • Brand kits: Automatically applies your brand colors, logos and fonts.
  • Text to video conversion: Best suited to turning articles into short social media clips.
  • Template library: A wide variety of layouts optimised for platforms such as Instagram and YouTube.
  • Cloud collaboration: Teams can create and work on projects together.

Personal experience

Lumen5 made it easy to turn my blog images into short videos. I liked that it identified the theme on its own and offered fitting layouts.

After a while the design choices got a bit repetitive, but it works very well for keeping a brand consistent across social media.

InVideo

Templates first, timeline after

InVideo sits between the one click tools and a real editor. The template library is the largest here, and the timeline gives you frame level control once the AI has done the first pass.

InVideo timeline editor with a template applied to an image
  • Best forMarketers who want a template start and manual control after.
  • PriceFree plan; paid from $15 per month
  • Runs onBrowser, Android, iOS
  • Our rating4.6/5
  • Ease of use4.5/5

The good

  • Thousands of templates across marketing, education and events
  • Timeline editing for anyone who outgrows the presets
  • Voiceover tools cover several tones and accents
  • Exports in every aspect ratio you are likely to need

The bad

  • The free tier watermarks the export
  • Heavy projects drag on an older machine

Open InVideoGoogle PlayApp Store

InVideo is a powerful online video generator that works for both novices and experienced marketers. What sets it apart is its creative AI controls and automation.

Key features

InVideo earns its place with a big template library and a real timeline.

  • AI video generator from image: Builds a video from a photo with custom effects and transitions.
  • Text to video conversion: Turns articles or scripts into publishable video, which saves time.
  • Voiceover tools: Artificial narration in different tones and accents.
  • Extensive template library: Thousands of templates for marketing, education, events and more.
  • Advanced timeline editing: Lets experienced users control the timing of the animation.

Personal experience

I was impressed by how professional InVideo’s final results looked. The image to video generator worked well, and the customization options were creative without being overwhelming.

It is a little more complex than some of the others, but once you learn it, it is a great way to make slick, marketable videos.

How I tested them

Consistency was the point. Every tool got the same three source images and the same 30 second target, and I timed each one from upload to a finished file. I scored each on the five criteria above, out of five. Where a tool let me override the automatic transitions, filters, voiceover and background music, it scored higher on control, because that is the difference between a template and a tool.

The test protocol

  • Same inputs. Every tool got the identical portrait, landscape and product image.
  • Same output target. A 30 second clip at 1080p, exported on the free plan where one exists.
  • Timed end to end. Stopwatch from upload to a finished file on disk, not to the preview.
  • Checked the export. Watermarks, resolution caps and audio sync were verified in the saved file.
  • Pushed for failure. Longer clips and heavier source files, to see which ones fall over.

The results were less dramatic than the marketing suggests. CapCut was never the best at any single criterion, and it still won, because it was never bad at one either. Runway ML beat everything on motion and lost on ease of use. Synthesia beat everything on presenter video and has almost no creative editing. Pixmax was the only tool that handled a multi shot storyboard without me opening a second app. What separates these tools is how much of the underlying text to video model each one lets you steer.

Which one should you actually use

If you are reading this to pick one tool and get on with your day, the answer is CapCut, and the rest of this section is for the cases where it is not. Across all the testing, the tools that were easiest to start with were the ones I outgrew fastest, and the tools with real motion control asked for a real learning investment up front. Pick for the job, not for the feature list.

Pick by what you are making

  • Start here. CapCut is free, it is the fastest to learn, and its exports are clean.
  • Upgrade for motion. Runway ML, once a pan and a zoom stop being enough.
  • Talking head work. Synthesia, for training and explainer video with a presenter.
  • Scale it up. Pixmax, when one clip becomes a storyboard with recurring characters.

FAQs

What is the best free AI video generator from an image?

CapCut, for most people. It combines text to speech, upscaling and background removal in one free account, which no other tool here does. Runway ML is better if you care most about motion quality, and Synthesia is better if you need an avatar narrating the images.

Can I make a video from photos with no editing skills?

Yes. Pictory, FlexClip and Lumen5 are built for exactly that. You upload the images, pick a template, and the tool handles the transitions, captions and music. Expect a usable clip in under 2 minutes and expect very little control over the result.

Which tool is easiest for a complete beginner?

FlexClip scored highest on ease of use in our testing, at 4.9 out of 5. CapCut is a close second and gives you far more room to grow, so it is the better long term choice if you plan to keep making video.

Do the free plans put a watermark on the export?

It depends on the tool. CapCut does not watermark free exports. Animoto, FlexClip and InVideo do. Synthesia has no free plan at all, only a trial. The card for each tool above lists what its free tier actually gives you.

Does any of this work on a phone?

CapCut, Runway ML and InVideo have real Android and iOS apps, and Animoto has an iOS app. The rest are browser tools. They load on a phone, but dragging clips around a timeline on a 6 inch screen is not the experience you want.