Free Online Caption Editor - Sync, Edit & Perfect Video Captions
Edit video captions with pixel-perfect precision. Adjust timing, fix typos, and sync text to audio in seconds. Used by 50,000+ creators. 100% free-no watermarks, no sign-up required.
Edit Captions FreeProfessional Caption Editing in Your Browser
Need to fix caption timing or edit text after auto-generation? Our caption editor gives you frame-level control without complicated software. Whether you generated captions elsewhere or need to polish AI subtitles, edit everything in real-time with instant preview. Perfect for YouTube creators, Instagram Reels, TikTok videos, or corporate training content. Our editor handles SRT, VTT, and TXT files-import from anywhere, export for any platform. Visual waveform display shows audio patterns, making it easy to sync captions with speech. Keyboard shortcuts speed up editing: arrow keys adjust timing, Enter adds new captions, Delete removes unwanted text. Collaboration features let teams review and approve captions before publishing. Free plan includes unlimited editing, no watermarks, and export to all major formats.
Advanced Caption Editing Features
Frame-accurate timeline lets you adjust caption timing to the millisecond. Waveform visualization shows audio peaks for perfect sync. Keyboard shortcuts accelerate editing workflow for professionals. Multi-format support handles SRT, VTT, TXT, and embedded captions. Spell checker catches typos and suggests corrections automatically. Batch editing applies changes across multiple captions at once. Style editor customizes fonts, colors, positioning, and animations. Undo/redo history lets you experiment without fear of mistakes. Real-time preview shows exactly how captions appear on video. Team collaboration allows multiple editors to work simultaneously. Export options include burned-in captions or separate subtitle files. Cloud autosave prevents work loss from browser crashes.
Why Choose Our Caption Editor
Professional editors need precise control without software bloat. Our web-based editor delivers desktop power in your browser. No installation, no updates, no compatibility issues. Works on Mac, Windows, Chromebook, or tablet. Import captions from Rev, Descript, YouTube auto-captions, or any source. Fix AI transcription errors with intelligent suggestions. Adjust timing for fast-talkers or multilingual content. Add speaker labels for interview or podcast videos. Customize appearance to match brand guidelines. Export once, use everywhere-compatibility guaranteed. Free forever plan supports commercial use. Upgrade for team features and priority rendering.
Discover More Video Editing Tools
Subtitle Generator FAQs
And some things you'd ask us.
Can I edit captions from other tools?
Yes! Import SRT, VTT, or TXT files from any caption generator including YouTube auto-captions, Rev, Descript, or Kapwing. Edit timing, text, and styling, then export for any platform.
How precise is the caption timing control?
Frame-accurate to 1/30th of a second. Waveform visualization shows audio patterns, making it easy to align captions perfectly with speech. Keyboard shortcuts let you nudge timing by frames.
Can I use this for commercial videos?
Absolutely. Our caption editor supports commercial use on the free plan. Edit captions for client videos, brand content, or paid courses with no restrictions or watermarks.
Amazing. Fantastic. I really liked.
Simplified is the Best video editor app. Ai video. Short ai video maker is very helpful.
Incredible Experience. It is the best of the AIs, I love it because it has everything and gives you an incredible experience
very good application. it helps me a lot for my business, highly recommended
A great place for creative work. Ease of content generation, with results generated through simple prompts that capture the exact need of the user.
Simplified is very easy to use and learn. I am happy with the massive results with just a few key words.
Subtitle Generator
Get started with Subtitle Generator and create more, faster.