OmniSubs

Subtitle Tools

Free, browser-based subtitle utilities. Convert formats, fix timing with optional local video preview, clean files, merge styled layers, extract text. No signup for the bulk of tools.

OCR (Image-based)

Uses creditsSUP → SRTBlu-ray PGS via OCR
Uses creditsSUB+IDX → SRTDVD VobSub via OCR

Format Converters

Universal ConverterAuto-detect input, pick output

From SRTSRT → VTT SRT → ASS SRT → SMI SRT → SBV SRT → TTML SRT → LRC SRT → MICRODVD SRT → SUBVIEWER SRT → TEXT SRT → DOCXFrom VTTVTT → SRT VTT → TEXTFrom ASSASS → SRT ASS → TEXTFrom SMISMI → SRTFrom SBVSBV → SRTFrom TTMLTTML → SRTFrom LRCLRC → SRTFrom MICRODVDMICRODVD → SRTFrom SUBVIEWERSUBVIEWER → SRT

Video tools

Burn-In ToolHard-embed subtitles into pixels
Soft-Embed ToolMux toggleable subtitle tracks into a video

Time & Sync

Sync ShifterShift timing with video preview
Partial SyncShift cue ranges over video
Frame-rate ConverterRetimed subtitles over video

Cleaners & Utilities

SRT CleanerStrip HTML, ads, duplicates
UTF-8 ConverterFix garbled non-Latin subs
To Plain TextStrip timecodes
MergerLayer, style, sync, and merge
ValidatorLint for issues

Need subtitles for a video you have?

OmniSubs transcribes and translates it right in your browser — your video never leaves your device.

Generate subtitles