Subtitle Edit (SE) is a free (open source) and powerful editor for video subtitles . With SE you can easily adjust a subtitle if it is out of sync with the video and much more. You can also use SE for making new subtitles from scratch (do use the time-line/waveform/spectrogram) or translating subtitles.
Features:
Create/adjust/sync/translate subtitle lines
Convert between SubRib, MicroDVD, Advanced Sub Station Alpha, Sub Station Alpha, D-Cinema, SAMI, youtube sbv, and many more (200+ different formats!)
Cool audio visualizer control – can display wave form and/or spectrogram
Video player uses DirectShow, VLC media player, or MPlayer
Visually sync/adjust a subtitle (start/end position and speed)
Auto Translation via Google translate
Rip subtitles from a (decrypted) dvd
Import and OCR VobSub sub/idx binary subtitles
Import and OCR Blu-ray .sup files – bd sup reading is based on Java code from BDSup2Sub by 0xdeadbeef)
Can open subtitles embedded inside matroska files
Can open subtitles (text, closed captions, vobsub) embedded inside mp4/mv4 files
Can open/OCR XSub subtitles embedded inside divx/avi files
Can open/OCR DVB subtitles embedded inside .ts (Transport Stream) files
Can open/OCR Blu-ray subtitles embedded inside .m2ts (Transport Stream) files
Can read and write both UTF-8 and other unicode files and ANSI (support for all languages/encodings on the pc!)
Sync: Show texts earlier/later + point synchronization + synchronization via other subtitle
Merge/split subtitles
Adjust display time
Fix common errors wizard
Spell checking via Open Office dictionaries/NHunspell (many dictionaries available)
Remove text for hear impaired (HI)
Renumbering
Swedish to Danish translation built-in (via Multi Translator Online)
Effects: Typewriter and karaoke
History/undo manager (Undo=Ctrl+z, Redo=Ctrl+y)
Compare subtitles
Multiple search and replace
Change casing using names dictionary
Merge short lines/split long lines
Export to PNG images (+bdn xml), Adobe Encore FAB image script, VobSub, Blu-ray sup, EBU stl, PAC, and plain text
4.0.3 (23rd December 2023)
* NEW:
* Add “.opus” + “.adts” audio file extensions – thx vivadavid/Lyubomir71
* Add two TSV subtitle formats – thx Purfview
* Add Arabic translation – thx Yahya
* Add new json subtitle format – thx Lucretia
* Add auto-translate via Papago
* Add new shortcut “Set end and start of next after gap” – thx rRobis
* Allow configure of Whisper post-processing – thx raphaelomoreira
* Allow create of new “no-break-after-list” from UI – thx lambdacore12
* IMPROVED:
* Update Polish translation – thx admas
* Update Finnish translation – thx Teijo S
* Update Spanish AR & MX translation – thx jmaraujouy
* Update Chinese translation – thx nkh0472
* Update German translation – thx Netspark
* Update Italian language – thx bovirus
* Update Dutch translation – thx Flitskikker
* Show file list after Whisper/Vosk batch run – thx Simon
* Some improvements for SUP/BDN-XML editor – thx Jack1789
* Add Spanish for ChatGPT translate – thx alvarusk
* Add some words to SE user dictionary – thx Caleb
* Update Whisper CPP to v1.5.2
* Update Purfview’s Faster Whisper to r167.2
* Update libmpv to 2023-11-26
* Update yt-dlp to 2023-11-16
* Re-add Whisper Const-me large model v2
* Audio-to-text: Improve error msg if no write access to video source folder
* Add delay in seconds to translate via ChatGPT
* Toggle music symbols, now toggles via first text – thx Leon
* Use source video folder when saving hard-sub video – thx Leon
* Better media info + shows details when click on label – thx Leon
* Add “Formality” for DeepL – thx Marco
* FIXED:
* Fix for BDSUP cmd line convert – thx Jack1789
* Do not count HTML tags in SCC in save/load – thx cs127
* Fix minor space issue with “Fix italic tags” – thx Adam
* Focus text box after “Set end, add new and go to new” – thx aoifeaoibhee
* Fix for unwanted “<br />” in MS translator – thx Miguel
* Only add recent file if saved – thx F5System
* Fix for mouse wheel scroll direction in video player – thx Peter
* Fix for ASSA border width in export to image based format – thx Christian
* Fix crash in generating ASSA borders with odd video resolution – thx Leon
* Fix crash in “Beautify time codes” – thx Flitskikker
* Fix for “Batch convert” auto-translate – thx Lunchbox209