Edit with your team
Send an edit or view-only link. Guests need no account, and you see who is on which line.
Sharing is free. Editing at the same time needs Pro.
Free Subtitle Editor Online - Edit SRT, VTT, ASS
Edit subtitles online for free with no download required. Our subtitle editor supports SRT, VTT, ASS, SSA, and SBV formats. Fix timing, correct text, and sync subtitles to your video instantly in your browser.
or drag and drop
Supported formats: .srt, .vtt, .sbv, .sub, .ass, .ssa
or
Subtitle Editor Features
AI Co-pilot
Checks reading speed, gaps and overlaps against a QC profile, then rewrites, shortens or retranslates lines.
Checks and rule fixes are free. AI actions need Pro and credits.
Bilingual translation
Keep the original beside every translated line, in 100+ languages.
Google Translate is free. AI translation uses credits.
Read text from the video (OCR)
Pause on a frame, drag over the on-screen text and insert it as a subtitle line.
Sign in, 2 credits per frame. For videos opened from your device.
Export or burn in
Download a subtitle file, or render the subtitles into an MP4 from a video on your device.
File export is free. Burn-in needs Pro, 5 credits per minute, up to 60 minutes.
Timing on the waveform
Drag cues on the audio, snap them to speech, and fix drift with two-point sync or a frame-rate change.
Free, no sign-in.
Chat inside the file
Talk to everyone in the file while you edit, without leaving the editor.
Needs Pro on the file owner's account. Messages aren't saved.
Every tool, menu by menu
These are the editor's own menus. Anything without a label is free for everyone.
- ProPro plan and credits
- CreditsAccount and credits
- Sign inFree account
- New
- Open
- Add subtitle
- Rename
- SaveSign in⌘S
- Autosave
- Export as...
- Export video (burn-in subtitles)Pro
- ShareSign in
- Open recent
- Undo⌘Z
- Redo⌘⇧Z
- Select all⌘⇧A
- Select range
- Deselect allEsc
- Jump to
- Add new line
- Add line at current position⌘↵
- Split lines
- Duplicate lines
- Delete lines
- Remove text formatting
- Capitalize first letters
- Clean up subtitles…
- Remove original text
- Remove translation text
- Sort lines
- Translate
- Detect speakers (AI)Pro
- Translation glossarySign in
- IPA pronunciation
- Adjust all times...
- Set start at playhead⌘[
- Set end at playhead⌘]
- Snap all cues to speech
- Two-point sync…
- Convert frame rate…
- Open video/audio...
- Open video from URL...
- Play / pause⌘P
- Insert cue at playhead⌘↵
- Show waveform
- Show subtitles on player
- Subtitle on waveform
- Layout
- Text from video (OCR)Credits
- QC profile
- Find AI issuesPro
- Fix all CPS with AIPro
- Auto-break long lines
- Unbreak short lines
- Shift all cues
- FormalPro
- CasualPro
- BroadcastPro
- Kid-safePro
- Fix typosPro
- Shorten linesPro
- Retranslate with AIPro
Supported Subtitle Formats
Open any of these formats and export the one you need.
| Format | Open | Export |
|---|---|---|
| srt | Yes | Yes |
| vtt | Yes | Yes |
| sbv | Yes | Yes |
| sub | Yes | Yes |
| ass | Yes | No |
| ssa | Yes | No |
| txt | No | Yes |
How to Edit Subtitles Online
Edit and translate subtitles in just a few steps - no software installation required.
Upload Your File
Upload a subtitle file (SRT, VTT, SBV, SUB, ASS, SSA) or create a new one from scratch.
Edit Text & Timing
Modify subtitle text, fix timing, and fine-tune synchronization with your video.
Translate
Translate subtitles to 100+ languages using AI. Optionally keep the original text for bilingual output.
Preview
Review your subtitles with video preview to ensure everything looks right.
Export
Download subtitles in your preferred format - SRT, VTT, SBV, SUB, or plain text.
Subtitle editor FAQ
Get quick answers about editing, conversion, translation, and subtitle generation workflows.
Open your subtitle file in our editor, select the cue you want to adjust, and use the timing controls to shift start/end times. Use batch shift to move all subtitles by a fixed offset (e.g., +2 seconds). For frame-accurate edits, use the waveform view to align timing with your video.
You can open SRT, VTT, SBV, SUB, ASS, and SSA files, and export SRT, VTT, SBV, SUB, or TXT. ASS and SSA files open as plain text: their styling is removed, and they can't be exported back.
Yes. Opening, editing, syncing, and exporting subtitles is free with no signup or credit card, including timing tools, rule-based checks, and Google Translate. AI Co-pilot actions and burn-in video export need a Pro plan and credits. AI translation and reading text from a video frame need an account and credits.
Subtitle Edit is a popular desktop subtitle program. If you just need to fix a file quickly, Editsub covers the core editing workflow in your browser: open SRT, VTT, ASS, SSA, or SBV, adjust timing on a waveform, edit text, and export, with nothing to install.
Absolutely. Our subtitle editor runs entirely in your browser. Just open the page, upload your file, and start editing. No installation required-works on any device with a modern web browser.
Use the batch time shift feature to move all subtitles forward or backward. If sync drifts over time, adjust individual cues or use the waveform to align timing precisely. Common causes: variable frame rate, audio delay, or incorrect original timing.
Everything You Need to Work With Subtitles
A complete toolkit for editing, translating, and converting subtitle files - right in your browser.
Open your subtitle file
Editing, syncing and exporting need no sign-up.