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Subtitles and Captions Utilities & Operator Guides
In-browser utilities for subtitles and captions tasks.
Quick Summary / Direct Answer
OpenTools has 7 working subtitles and captions tools. Each one runs in your own browser tab, so your files and inputs never touch a server. There is no account and no paywall.
Category Specifications
Working tools
7
Server upload
None
Runs on
Your browser
Cost
Free, no paywall
All Subtitles and Captions tools
Read the guide, or open the tool straight away.
Subtitles and Captionslocal-js
Subtitle Sync Fixer
Run subtitle sync fixer in your browser tab.
Subtitles and Captionslocal-js
Subtitle Frame Rate Converter
Run subtitle frame rate converter in your browser tab.
Subtitles and Captionslocal-js
Subtitle Joiner
Run subtitle joiner in your browser tab.
Subtitles and Captionslocal-js
Caption Checker
Run caption checker in your browser tab.
Subtitles and Captionslocal-js
Subtitle Delay Fixer
Run subtitle delay fixer in your browser tab.
Subtitles and Captionslocal-js
SRT to VTT
Run srt to vtt in your browser tab.
Subtitles and Captionslocal-js
VTT to SRT
Run vtt to srt in your browser tab.