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Subtitle Edit

A free, open-source subtitle editor with cross-platform support, featuring OCR, AI translation, and audio transcription capabilities.

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Introduction

Subtitle Edit

Subtitle Edit is a powerful, free, and open-source subtitle editing application developed by Nikse. It has gained significant popularity with over 10 million downloads and nearly 10,000 GitHub stars.

Overview

Subtitle Edit provides comprehensive tools for creating, editing, and synchronizing subtitles across multiple video formats. The software supports a wide range of subtitle formats and offers advanced features including OCR (Optical Character Recognition), AI-powered translation, and audio-to-text transcription.

Latest Version

Subtitle Edit 5 is currently in beta, featuring a completely rewritten UI using Avalonia UI framework. This major update enables:

  • Single, cross-platform codebase
  • Native macOS support
  • Improved Linux compatibility
  • Requires Windows 10+, macOS 12 (Monterey)+, or recent Linux distro

Subtitle Edit 4.x remains actively maintained and can be installed alongside SE 5 for testing purposes.

Key Technologies
  • OCR Engines: PaddleOCR (standalone, no Python required), Ollama vision models
  • AI Translation: Mistral, KoboldCpp, AvalAI, LM Studio, Ollama, Anthropic
  • Audio Transcription: Whisper, Faster-Whisper-XXL
  • UI Framework: Avalonia UI (for SE 5)
Development

The project is hosted on GitHub and welcomes community contributions. Users can support the development through donations on the official website.

Target Audience

Video editors, subtitle creators, translators, content creators, film professionals, accessibility specialists

Key Features
  • Cross-platform support (Windows, macOS, Linux)
  • OCR with PaddleOCR and Ollama vision models
  • AI-powered translation (Mistral, KoboldCpp, AvalAI, LM Studio, Ollama, Anthropic)
  • Audio-to-text transcription with Whisper
  • Generate transparent video with subtitles
  • Burn-in subtitles to video
  • Spectrogram and waveform visualization
  • Text-to-Speech with voice-over support
  • Support for numerous subtitle formats
  • Actor conversion between ASSA and other formats
  • Batch processing mode
  • Portable version available
Use Cases
  • Creating and editing subtitles for videos
  • Translating subtitles using AI
  • Extracting text from video frames using OCR
  • Transcribing audio to subtitles
  • Synchronizing subtitles with video
  • Converting between subtitle formats
  • Generating videos with burned-in subtitles
  • Batch processing multiple subtitle files
Pros
  • Completely free and open-source
  • Cross-platform compatibility
  • Extensive feature set for subtitle editing
  • Active development and community support
  • AI-powered translation and OCR capabilities
  • No Python dependency for OCR (standalone PaddleOCR)
  • Over 10 million downloads - proven reliability
Cons
  • SE 5 beta may have stability issues
  • Learning curve for advanced features
  • Windows 10+ required for SE 5
Pricing

Free and open-source (GPL license)

Latest News

Nikse - Blog - Subtitle Edit 5 RC

Nikse - Blog - Subtitle Edit 5 RC

8/5/2026

Nikse - Blog - Subtitle Edit 5 RC Services Software Subtitle formats Download - Subtitle Edit 5.0.0 - Xml Content Translator 1.12 About/contact Donate ### Subtitle Edit 5 RC 2026-02-28 by nikse.dk| Viewing 33 comments Subtitle Edit 5 is now in RC4! A big thx to rRobis, GrampaWildWilly, nms...

Nikse - Blog - Subtitle Edit 4.0.12

Nikse - Blog - Subtitle Edit 4.0.12

8/5/2026

Nikse - Blog - Subtitle Edit 4.0.12 Services Software Subtitle formats Download - Subtitle Edit 4.0.16 - Xml Content Translator 1.12 About/contact Donate ### Subtitle Edit 4.0.12 2025-04-14 by nikse.dk| Viewing 22 comments This release of Subtitle Edit brings major feature additions and nu...

Nikse - Blog

Nikse - Blog

8/5/2026

Nikse - Blog Services - Subtitle Edit Online Software Subtitle formats - ASSA override tags Download - Subtitle Edit 5.0.0 - Xml Content Translator 1.12 About/contact Donate ### Subtitle Edit v5.0.0 2026-06-22 by nikse.dk| View comments (3) Subtitle Edit 5 is a major new release and a bi...

Nikse - Subtitle Edit

Nikse - Subtitle Edit

8/5/2026

Nikse - Subtitle Edit Services * [Subtitle Edit Online](https://www.nikse.dk/subtitleedit/online) Software * [Subtitle Edit](https://www.nikse.dk/subtitleedit) * [Help/FAQ](https://www.nikse.dk/subtitleedit/help) * [Videos](https://www.nikse.dk/subtitleedit/video) * [Xml Content Translator](https://...

Nikse - Blog - Subtitle Edit 4.0.8

Nikse - Blog - Subtitle Edit 4.0.8

8/5/2026

Nikse - Blog - Subtitle Edit 4.0.8 Services Software Subtitle formats Download - Subtitle Edit 4.0.16 - Xml Content Translator 1.12 About/contact Donate ### Subtitle Edit 4.0.8 2024-09-06 by nikse| Viewing 8 comments Subtitle Edit 4.0.8 is now available. A bugfix release with these highlig...

FAQ

User Reviews

4.1/5.0
(49reviews)
Click stars to rate

Pricing

Pricing Model: Free

Free

Free and open-source (GPL license)

Free

Website Traffic

nikse.dk ·

Estimated monthly visits
302,563
-15.7% vs. prior month
Pages per visit
1.71
Bounce rate
55.97%
Avg. session
0m 40s
Global rank
#174,245
Country rank (US)
#301,416

Visits Over Time

421,380
359,070
302,563

Traffic Sources

Direct
24.9%
Search
61.87%
Referrals
6.59%
Social
3.67%
Paid referrals
0.15%
Mail
0.03%
Generative AI
2.79%
Affiliate
0%
Other
0%
Organic search
61.87%
Paid search
0%
Organic social
3.67%
Paid social
0%

Top Keywords

KeywordVolumeCPCEst. monthly value
subtitle edit104,420$0.51$59,160.00
subtitle edit download8,720$0.41$7,570.00
subtitleedit9,340$0.54$3,880.00
subtitle edit download for windows 111,180$0.00$1,200.00
subedit1,350$0.00$1,120.00

Top Regions

RegionPercentage
United States (US)9.43%
Korea, Republic of (KR)7.01%
China (CN)5.11%
United Kingdom (GB)4.39%
Thailand (TH)4.37%

AI Referral Trends

Share of AI assistant referrals by month.

AssistantAug 2026Sep 2026Oct 2026
gemini.google.com18.27%10.76%14.21%
chatgpt.com81.25%34.82%8.72%

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