AI subtitle generator
accurate captions in seconds
Trusted by 10,000+ creators
Generate AI subtitles in seconds, edit the text, and export clean captions without installing anything.
Upload your videoNo account required — start in seconds
Why people use it
AutoSubtitles is a free AI subtitle generator for creators who want fast transcription, editable captions, and a simpler workflow than full video editors.
How it works
From raw video to AI-generated subtitles in a few clicks
Upload your video
Drag and drop any video file — MP4, MOV, WebM and more.
Generate subtitles with AI
The AI transcribes your audio in seconds with support for 20+ languages.
Review and refine
Fix wording, tune timing, and make sure every subtitle line reads naturally.
Export your captions
Download a subtitle file or export a finished video with hardcoded subtitles.
Powerful features, zero complexity
AI transcription, 25+ styles, full editor — all in your browser
Why use an AI subtitle generator?
The value is speed first, then polish where it matters.
Skip manual transcription
AI gets you to a first draft fast, so you are not typing out dialogue or timing captions from scratch.
Edit before you publish
You still control the final result. Review wording, timing, and line breaks before exporting your captions.
Use one lightweight workflow
Generate subtitles, make fixes, and export from the browser without opening a full editing suite for a simple caption job.
AutoSubtitles is built for people searching for a fast AI subtitle generator, not a bloated editor. You get accurate subtitle drafts quickly, real editing control when the AI needs cleanup, and exports that are good enough to publish or hand off downstream.
Who it's for
Built for teams and creators who need subtitles fast without adding editing overhead.
YouTube creators
Generate subtitles for long-form videos faster, then export hardcoded captions or subtitle files for publishing.
Short-form editors
Create AI subtitles for TikTok, Reels, and Shorts without dragging every clip through a heavyweight timeline tool.
Educators and course makers
Use AI to caption lessons quickly and improve accessibility without manually transcribing every lecture.
Freelancers and agencies
Handle more client subtitle work with a lighter workflow and less repetitive transcription labor.
Marketing teams
Turn webinar clips, product demos, and social videos into captioned assets faster for each channel.
Podcasters
Convert spoken content into captioned video snippets with AI-generated subtitles you can review before export.
Work with an AI assistant? Ask it to caption your videos for you. AutoSubtitles for AI agents
Free to start, pro when you're ready
Use the free AI subtitle generator now, then upgrade only if you need more export and style control.
What you get — free
Free plan limits
Upgrade to Pro
Unlock everything you need to make your subtitles stand out
Upgrade anytime with flexible pricing.
Frequently asked questions
Is this AI subtitle generator really free?
Yes. AutoSubtitles lets you generate AI subtitles for free in your browser. The free plan includes subtitle generation, editing, and 3 video exports per week at 480p with no signup required.
How does the AI subtitle generator work?
Upload a video, let the AI transcribe the audio, review the subtitle text, then export either a burned-in video or subtitle file. AutoSubtitles runs in the browser, with only the audio sent for transcription.
Do I need an account to generate AI subtitles?
No. AutoSubtitles works instantly with no signup, login, or account. Open the site, upload your video, and generate subtitles right away.
Can I edit the subtitles after AI generates them?
Yes. You can correct words, adjust timings, split or merge lines, and style the captions before exporting your final video or subtitle file.
What languages does the AI subtitle generator support?
AutoSubtitles supports 20+ languages with automatic language detection, including English, Spanish, French, German, Portuguese, Japanese, and more.
Does my video stay private?
Your video is processed locally in your browser. Only the audio needed for AI transcription is sent for processing, and it is deleted immediately after.