subtitle-sync

Self-hosted subtitles for movies, TV and sports, with or without Sonarr, Radarr or Sportarr. Search on demand, or automate downloads, sync and AI translation. Works with Plex, Jellyfin, Emby and Silo. No tracking.

CLI to shift .ass/.srt subtitle timestamps in bulk, with time range, regex filters, encoding override, and dry-run.

Anchor: A universal, hardware-accelerated CLI tool for subtitle synchronization (Whisper) and context-aware translation (NLLB)

Verify that a subtitle actually matches and syncs with a video using audio-based timing analysis. Detect wrong subtitles, find the correct timing offset, and automatically sync them.

SubtitleTools CLI - A command-line tool for managing and synchronizing subtitle files.

Pairs subtitle files to their videos and retimes them to match, by cue timing rather than text. It works in any language.

Stremio addon that automatically re-times OpenSubtitles subtitles to your torrent's audio (fixes delay, framerate drift, cuts)

Bring any .srt to the Netflix app on Android: a floating subtitle overlay that locks to playback and follows every seek.

This HTML5 video player plays local mp4 files with super sampling, along with plenty of QoL features

Convert & re-sync subtitles locally — SRT ⇄ WebVTT, shift, fix drift & overlaps. Exact timecode math, zero deps. Web app + library.

This is a feature-rich Windows media player known for its ability to play damaged files and its built-in "Codec Finder" service that automatically locates missing codecs for unsupported video formats.

A simple tool for fixing subtitle timing and cleaning messy subtitle files from the command line.

Free Stremio addon: subtitles in your language (Serbian, Croatian, Bosnian or any other), lined up with the exact video you are playing. Docs; the addon runs at subtitlesync.stream.

🎬 Web app to adjust SRT subtitle timings - full or partial shift with live preview. Privacy-focused, modern dark UI.

Free browser-only SRT/VTT subtitle converter, resync tool & cleaner. No upload, no signup.

SuperSubber - finds, downloads and syncs subtitles in bulk. Portable Windows GUI: drop a movie, a season or an entire show (subliminal + alass)

Privacy-first browser subtitle workbench — fix timing, resync, repair encoding, convert SRT/VTT/ASS. 100% client-side.

Desktop GUI to batch-sync .srt subtitles to the audio of your videos. Fixes offsets and framerate drift, keeps backups. Built on ffsubsync.

macOS CLI that finds Chinese subtitles, auto-syncs them to movie audio, and writes Infuse-ready files.

Fix out-of-sync subtitles in a few clicks: line them up with the speech, find better ones online, save inside the mkv, and Plex picks it up. Fork of Subtitle Edit.