Software » Subtitle » Subtitle Edit 5.4.0 / 5.5.0 Beta 5

v5.5.0-beta5 (13th of November 2026)

* Layout 14: quality control layout with QC panel and tag chips
* Bookmarks: multi-line notes, bookmark tags on the waveform, three colors, filter in the list (export/import keeps the color)
* Batch convert: merge translation with original into one bilingual ASSA subtitle - thx svarga91
* Compare: "Take text, keep formatting" - thx FunkyKnilch
* Setting for an empty line between subtitles in Copy text - thx OmrSi
* Remember size and position of 67 more resizable windows
* Spell check and three list windows are now resizable
* Spell check: Enter changes the word instead of closing the window
* Show history: say there is nothing to undo instead of showing a blank list
* Help pages and F1 for Sync to audio, Sync audio track and Dialogue list
* TS track picker: show Default/Forced as check marks
* llama.cpp advanced: reject broken replies, fewer wasted retries, add Index-Nailong 9B - thx marwanlhabti5-coder
* Auto-translate: keep whole-line <i> and out of the model's hands - thx mmmsh-125
* Auto-translate: send the advanced engines' batch JSON as raw UTF-8 - thx Makar8000
* Image export and Blu-ray sup: faster export (up to 3.7x) and better sup palette quality
* Spell check dictionaries: update Polish, Croatian, Khmer, Welsh; add Kazakh and Uzbek
* Fix Batch convert ignoring "Right to left", box type/padding and alignment for image formats - thx mehdittttt
* Fix Change speed/Assisted move producing times with fractions of a millisecond (also in Batch convert and seconv) - thx Davanix
* Fix video position not restored on a remembered first line - thx bereld
* Fix Speak from current line / Play with speech cutting off clips
* Fix Netflix check shot-change fixes that could end before they start
* Fix common errors: log "still too fast/short" instead of "Unable to fix"
* D-Cinema SMPTE: only allow valid edit rates - thx accessallareas
* Fix Paddle OCR CUDA 12 unpack on Flatpak - thx zjDrummond
* Update German translation - thx FunkyKnilch
* Update Italian translation - thx bovirus/GitGianluc
* Update Japanese translation - thx hisui3393
* Update Korean translation - thx 12si27

v5.5.0-beta4 (11th of November 2026)

* Add Qwen3-ForcedAligner-Ultra as a forced aligner option
* Add Haas-ja v1.0 models to Crisp ASR Parakeet
* Optional Actor box in the edit panel - thx yolanda123a
* Export image-based: SD presets with pixel aspect (PAL/NTSC 4:3 and 16:9) - thx doom9
* Track pickers: full-width preview text + auto-fit columns
* OCR: PGS thumbnails scale with the window - thx tormento
* seconv: advanced local-LLM translate engines, also configurable in the --settings file - thx Makar8000
* seconv info: report Chinese script (zh-Hans / zh-Hant) - thx Makar8000
* Auto-translate: accept Chinese/Japanese batch replies that drop the "." separators - thx Makar8000
* Font picker preview: fall back per line for glyphs the font lacks - thx liubin1777
* Fix light alternating row color default not being visible - thx GitGianluc
* Fix common errors: label short-line fixes as "Remove line break" - thx AceFrahm
* TTS Review: keep "Clone from video" in the voice list - thx yolanda123a
* Fix Bulgarian translation errors
* Update Danish translation - thx Manavagg2003
* Update European Portuguese translation - thx Blackspirits/Manavagg2003
* Update Japanese translation - thx hisui3393
* Update Swedish translation - thx Manavagg2003

v5.5.0-beta3 (10th of November 2026)

* Option to preset the save encoding on open to a chosen UTF-8 variant now also works for UTF-8 files - thx darnn
* Text to speech: much faster "Joining audio" on long projects (merge in one pass) - thx lekien992
* Fix speech to text failing on AVI and other odd containers (Purfview XXL, CTranslate2, WhisperX) - thx weifu8435
* Fix do-not-break-after list edits being reset when dictionaries update - thx rRobis
* Fix DVB teletext export PES packets not aligned to whole transport packets
* Fix changing an existing font color tag in the text box leaving malformed markup - thx pdjdev
* Fix WebVTT style copy losing italic - thx unsafePtr
* Update Brazilian Portuguese translation - thx Manavagg2003
* Update Bulgarian translation
* Update Dutch translation - thx Manavagg2003
* Update German translation - thx FunkyKnilch/accessallareas
* Update Italian translation - thx bovirus
* Update Japanese translation - thx hisui3393
* Update Korean translation - thx 12si27
* Update Russian translation - thx Manavagg2003

v5.5.0-beta2 (9th of November 2026)

* Waveform: "Edit original subtitle timing" toggle edits the original subtitle's timing in any layout - thx hisui3393
* Subtitle track rows above the waveform in every layout (not only layout 14) - thx hisui3393
* MP4 track picker: Language and Name columns, language read from track names - thx korsosattila73
* Remember the "original subtitle has different line count" choice per recent file - thx OmrSi
* New setting to show the time code mode in the status bar (hidden by default)
* Focus selected line: go to the first selected line - thx OmrSi
* Fix mpv failure at startup (playback commands sent before mpv started) - thx GrampaWildWilly
* Fix Speech to text leaving temp files behind - thx OmrSi
* Fix double-click/Ctrl+Backspace word selection splitting words with combining marks (e.g. Arabic tanween) - thx OmrSi
* Fix save dialogs keeping a wrong extension (e.g. Blu-ray sup saved as .hdr) - thx k6G52m4Dz75W
* Fix OCR inspect/add character: AltGr+Z now types instead of undoing
* Update German translation - thx FunkyKnilch/accessallareas
* Update Italian translation - thx bovirus
* Update Japanese translation - thx hisui3393
* Update Polish translation - thx potplayer-fanpack

v5.5.0-beta1 (8th of November 2026)

* Video OCR: remove burned-in subtitles (AI inpainting, black boxes, blur, delogo), also inside a drawn rectangle
* Icon colors match theme foreground option, now works on every theme and icon set
* Main window: ASSA layer field gets the editor field look
* Timeline: show subtitles without generating the waveform, with "Generate waveform" / "Use empty waveform" buttons - thx Danilo2000
* ASSA advanced effects: word caption and reveal effects follow a pre-marked active word
* Crisp ASR highlight word: underline the active word (Parakeet and all backends)
* Crisp ASR: add Granite Speech 5.0 2B models
* WhisperX: download models in Subtitle Edit like the other engines - thx GitGianluc
* Timed Text: optional SMPTE timing auto-detect
* Speech to text selected lines: honor SMPTE timing
* Speech to text batch: show a dialog listing the generated files - thx vivadavid
* Improve time codes: step through the lines left to check with Shift+F7/F8 - thx Uer9-create
* Convert actors: select all/none/invert and select by actor
* Show CJK half counts in line length and statistics
* Upper-case German ß as capital - thx accessallareas
* Move "Save forced lines as" to File > Export
* llama.cpp advanced: fit "Generate with AI" to the server context size, and explain in the log why nothing was generated - thx SangenBR
* seconv: name LLM-engine translate output with the language code, not the English name - thx Makar8000
* Improve language auto-detect (Finnish, Croatian, Macedonian, Polish, Azerbaijani, Galician, Basque, Welsh, Central Kurdish, short text)
* Improve ANSI encoding detection: EUC-JP, KOI8-R, DOS 866, Persian, Urdu, Romanian, Albanian, Icelandic, Arabic and smart quotes
* Fix Western ANSI files detected as Shift_JIS and other 5.4 encoding regressions - thx Larxen
* Fix Blu-ray sup export of overlapping/out-of-order cues (also seconv/batch image exports) - thx k6G52m4Dz75W
* Fix Remove text for HI dropping en/em dash dialog dashes - thx Aemstel2
* Fix OCR regex rules: \n in "Replace with" is now a line break - thx Lentzeris
* Fix "Do not break after" for pt-BR (uses the Portuguese list) - thx mariajuferreira1958-creator
* Fix "Show" column menu label not matching its header - thx accessallareas
* Fix EBU STL teletext dialog not moving the alignment tag with the row
* Fix Binary Edit bottom align to use the text baseline
* Fix Cut video losing the SMPTE flag on the real video player
* Update CrispEmbed to v0.17.15
* Update Chinese Traditional translation - thx love80312
* Update Italian translation - thx bovirus
* Update Korean translation - thx 12si27
* Update Polish translation - thx potplayer-fanpack

Create/adjust/sync/translate subtitle lines
Convert between SubRib, MicroDVD, Advanced Sub Station Alpha, Sub Station Alpha, D-Cinema, SAMI, you-tube sbv, and many more (300+ different formats!)
Cool audio visualizer control - can display wave form and/or spectrogram
Video player uses mpv, DirectShow, or VLC media player
Visually sync/adjust a subtitle (start/end position and speed)
Audio to text (speech recognition) via Whisper or Vosk/Kaldi
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 and teletext subtitles embedded inside .ts/.m2ts (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 Libre Office dictionaries (many dictionaries available)
Remove text for hear impaired (HI)
Renumbering
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