AI Video Tools
Every tool on Scenes AI in one place. Some are free with no account at all — a caption-style browser, a script timer, an aspect-ratio and safe-zone checker, and a cost calculator. The generators make real video, images, voice and music, and are charged per generation.
Free — no account needed
Nothing to pay and nothing to sign up for. The writing tools are five a day; the rest are unlimited, since they cost us nothing to run.
- Script generatorAn idea in, a short-form script out — hook, body and close.
- Hook generatorFive opening lines for the same idea, to pick by ear.
- Storyboard generatorAn ordered shot list: framing and action for each shot.
- Image prompt generatorA rough idea turned into a prompt that specifies the picture.
- Music prompt generatorA mood turned into genre, instrumentation and arrangement.
- Caption stylesPreview 26 animated caption styles with your own text.
- Script timerHow long a script takes to say, and whether it fits a Reel.
- Aspect ratio & safe zonesDimensions for any ratio, and where platform UI covers the frame.
- Cost calculatorWhat a video costs, by engine, duration and resolution.
- Prompt generatorsWrite a prompt in the grammar your chosen engine expects.
Generators — charged per generation
These call a paid model to make a real asset, so they need an account and are billed at the rates the cost calculator quotes.
- AI video generatorTurn a reference image or a start frame into a moving clip.
- AI image generatorGenerate stills, with optional reference images and a style.
- AI voice generatorTurn a script into narration, with a voice and pace you pick.
- AI music generatorGenerate a backing track, instrumental or with vocals.
- AI lip sync generatorA portrait plus an audio track becomes a talking video.
- AI character generatorA four-view character sheet that keeps a face consistent.
Free versus charged, plainly
The split is about what a tool costs us to run, not about withholding features.
The free tools are free because serving them costs nothing: they do arithmetic, draw frames, or render caption markup from code that already ships with the product. No AI model runs and no media is generated, so there is nothing to charge for and no account to ask for. The generators are the opposite — every one of them calls a paid model to produce a real asset, so they need an account and are billed per generation at the rates the cost calculator quotes.
A sensible order to use them in
Most of these answer a question that comes up before you generate anything.
- Decide the format first — the aspect-ratio tool, because switching later means regenerating rather than cropping.
- Time the script next, so the video is the length you intended before any clip exists.
- Write the prompt with the per-engine prompt generator, which follows the grammar the chosen engine actually expects.
- Check the cost, then generate — the calculator uses the same billing path as the invoice.
FAQ
Tools questions
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