Features
AutoSubtitles features
No account required, start in seconds
Why AutoSubtitles
Why creators choose AutoSubtitles
Total control over every caption
Customize every detail: fonts (upload your own), colors, outline, shadow, background, casing, spacing, alignment, position, and animation. Or start from 25+ presets.
Renders in your browser, fast
No waiting to upload your video to a server and no render queue. It stays on your device and captions render right in your browser, so you get your captioned video in seconds.
Viral animated captions
Word-by-word animations and karaoke highlighting in bold, readable styles built for TikTok, Reels, and Shorts.
Export however you need
Download a captioned video with burned-in subtitles, or export SRT, VTT, and TXT files to use anywhere.
Translate into 30+ languages
Translate your captions into 30+ languages with AI while keeping the timing intact.
Free to use, private
Use it free; a paid plan unlocks more. Your video file never leaves your device; only the audio is sent for transcription, then deleted.
Browse
All features
AutoSubtitles is a free, browser-based caption tool. Every feature below works with no signup and no install, so you can upload a video and start right away.
Auto caption generator
Automatically generate captions for any video with AI. Edit the text and timing, then export captions or a captioned video. Free to start.
Subtitle translator
Translate subtitles into 30+ languages with AI, keeping timing intact, then export translated subtitles or a captioned video.
Animated captions
Create animated captions with viral-style presets, karaoke highlighting, and full styling control, then export them in your browser.
Add subtitles to video
Add subtitles to any video online for free. Generate captions with AI, burn them into the video, and export an MP4. No signup and no install required.
SRT generator
Generate SRT, VTT, and TXT subtitle files from any video with AI. Auto-transcribe, edit the timing, and download a formatted file. Free to start.
Custom caption fonts
Upload your own fonts and brand your captions. Combine custom fonts, colors, and saved style presets to keep every video on brand.
TikTok captions
Add viral-style animated captions to TikTok videos with AI. Edit the text and timing, then export a 9:16 MP4 ready to post. Free to start.
Instagram Reels subtitles
Add subtitles to Instagram Reels with AI, style them for vertical video, and export a 9:16 MP4 ready to share. Free to start.
YouTube subtitles
Generate YouTube subtitles with AI. Edit them, download an SRT to upload, or export a video with captions burned in. Free to start.
Compare

