Auto Captions & Subtitles

Transcribe a video with AI and burn in styled captions that are legible with the sound off, which is how most of it will be watched.

Auto captions: add subtitles to any video with AI

Upload a video and get it back with accurate, timed captions burned in. The speech is transcribed by AI and styled the way short-form video is captioned today: word-by-word highlights, bold social styles, karaoke, neon and more.

Paste a link from YouTube, TikTok, Instagram or X instead of uploading. Choose from 24 caption styles and 11 languages, set size, position and line length, and export as MP4, MOV, WebM or AVI.

How it works

Add the video. Drag in an MP4, MOV, AVI or WebM file, or paste a link.
Pick a style. Choose one of the caption styles from the preview grid, then the font size and where the captions sit.
Fine-tune. Set the spoken language, the maximum characters per line, and whether each word highlights as it is spoken.
Caption it. Click once. Download the captioned video, edit it, or schedule it to your channels.

What you can make

Captions for TikTok, Reels and YouTube Shorts
Making videos watchable with the sound off
Subtitles for interviews, podcasts and talking-head videos
Accessible versions of course and training videos

Questions

How accurate are the captions?

The speech is transcribed by AI with word-level timing, so captions appear exactly as the words are spoken. Choosing the spoken language helps with accents and mixed speech.

Which languages are supported?

English, Spanish, French, German, Portuguese, Japanese, Korean, Chinese, Arabic, Hindi and Persian.

Can I get word-by-word highlighted captions like on TikTok?

Yes. Turn on Highlight Words, or pick a style such as Karaoke, Word Pop or Highlight.

Are the captions burned into the video?

Yes. The captions are part of the exported video, so they show up on every platform without a separate subtitle file.

Can I caption a video from YouTube or TikTok?

Yes. Paste the link instead of uploading a file.

How much does it cost?

Captions are charged by the minute of audio, and they cost very little. The exact credits appear on the button once your video is loaded.

Tools

AI Writing — Draft scripts, captions, ad copy and prompts with frontier models, then send the result straight into an image or video generation.

AI Image Generator — Turn a prompt into an image with more than a dozen AI models. Auto picks the right one for the shot and tells you what it costs before you press go.

AI Video Generator — Turn text or an image into video, up to 4K and 30 seconds on supported models. Pick a model, or let Auto weigh quality, speed and price for you.

Video Editor — A full timeline for video, images and audio — trim, layer, add music, generate subtitles and render out, with your AI generations already in the library.

Templates — Start from a build that already works. Prompts and settings prefilled for ads, reels, product shots and more — change the subject, keep the look.

AI Video Transitions — Upload two or more scenes, pictures or videos, and generate a clip that moves from the last frame of one into the first frame of the next, as a fade, wipe, morph, dissolve, zoom or slide.

Extend Video — Carry a clip past where it stopped. The model reads the last seconds and keeps the motion, the lighting and the subject going.

Face & Object Swap — Put a different face or object into a shot you have already made, and keep the lighting and the angle it was lit for.

Image Fusion — Blend two images into one — a subject into a scene, a style onto a photograph — without losing what made either of them work.

AI Sound Effects & Audio — Generate sound effects, ambient beds and voiceovers from a description, then drop them onto the timeline next to the picture.

AI Voiceover & Text to Speech — Turn a script into a voiceover in a voice you choose, with control over stability and delivery, ready to lay under a cut.

AI Lip Sync — Match a face to an audio track so the mouth actually says the words — for a voiceover you generated or one you recorded.

AI Outpaint — Expand Photos — Widen a photo past its edges: pick a new shape or zoom out, and the scenery that was never in frame is painted in to match.

AI Relight — Change Photo Lighting — Light a photo again after it was taken — golden hour, studio softbox, neon night — from the side you choose, with the subject left as it is.

Restyle Video — Repaint a clip in another style — animation, illustration, film stock — while the motion underneath it stays exactly as shot.

Shorts & Reels Maker — Cut a long video into vertical shorts. It finds the moments worth keeping, reframes to 9:16 and burns in captions.

AI Director — One sentence in, a whole production out: script, shot list, prompts for every shot, transitions, captions, music direction and the aspect ratio to cut for.

Consistent AI Characters — Build a character once and keep the same face across every image and video you generate afterwards.

AI Fashion & Virtual Try-On — Put a garment on a model you choose, in the pose and setting you want, from a product photo and a prompt.

Sports Broadcast Graphics — Generate broadcast-style sports packages — titles, replays and lower thirds — from a clip and a scoreline.

AI Upscaler & Quality Enhancer — Take an image or a video up to 2K or 4K, and get back detail that compression and a small sensor took out.

Background Remover — Cut the subject out of an image or a video automatically — clean edges, transparent background, no rotoscoping.

AI Video Translator — Translate a video into another language and keep the speaker's voice, with the lips matched to the new track. Twenty languages.

Quick Edit — Trim, crop, reframe and caption a clip in a few clicks, without opening the full timeline.

AI Architecture Renders — Turn a sketch, a plan or a massing model into a photographic render, in the light and materials you specify.

AI Avatar — Build a presenter that looks like you, or like nobody, and have it deliver any script you write.

AI Influencer — Design an AI influencer trait by trait, or start from your own photo, then make it copy the moves of any video or wear your products.

Bulk Repurpose — Point it at a video and get every platform's cut at once — vertical, square, captioned, sized and ready to schedule.

Schedule — Drop in up to a hundred videos, stamp your watermark on all of them, and schedule them across your channels in one go.

Motion Control — Move the camera on purpose — recast a performance, puppeteer a still, or transfer motion from one clip onto another.

AI Ad Builder — Turn a product and a promise into a finished ad — the script, the shots, the voiceover and the cut, sized for where it runs.

AI Explainer Videos — Give it a document or an idea and get a narrated explainer back, with the visuals built to match what the narration is saying.

AI App Builder — Describe a website, an app or a browser game and get working code you can open, edit and publish from here.

Super Intelligence — One place to ask for anything the studio can make. It plans the work, picks the models, runs the steps and shows you why it chose each one.

MCP Server — Connect SohaAI Studio to Claude, Claude Code or any MCP client and generate images, video, audio and lip sync from inside your own tools.