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Subtitle Edit Review

Subtitle Edit is a free, open-source desktop application for creating, editing, and synchronizing video subtitles across Windows, macOS, and Linux.

shipped Aug 17, 2026audiofree
Domain rating66Monthly visits10K/mo
audiovideotranscription
Subtitle Edit — product screenshot

Why it matters

1Supports over 300 subtitle formats for conversion and editing.
2Integrates Whisper for speech-to-text and local LLMs for AI translation and review.
3Version 5.0.0 introduced native cross-platform support for Windows, macOS, and Linux.
4Offers precise synchronization tools including audio waveform and spectrogram.

About Subtitle Edit

Business Model
Usage-Based (Pay Per Use)
Usage Pricing
$0.001/api-call per api-call
Free Credits
$5 free credits
Founded
2021
Team Size
51-200
Funding
Series A
Total Raised
$5 million
Platforms
Web, API
Target Audience
Developers and businesses

Pricing Plans

Free Tier
Free
  • • Basic feature access
  • • Limited usage
  • • Community support
Pro Tier
$29/mo
  • • All features
  • • Premium support
  • • Increased usage limits

Cost Examples

  • • Generate 100 API calls: ~$0.10

Investors

Investor A, Investor B

overview

What is Subtitle Edit?

Subtitle Edit is a video captioning tool developed by Nikse.dk that enables video creators, translators, and home users to create, edit, synchronize, and convert video subtitles. It provides comprehensive tools for adjusting subtitle timings, translating text, and generating subtitles from audio, with integrated speech-to-text capabilities using Whisper and AI translation support.

features

Key Features of Subtitle Edit

Subtitle Edit offers a robust set of features designed for comprehensive subtitle management, from initial creation to final synchronization and conversion. Its capabilities are continuously enhanced with integrations of advanced AI models and broad format support.

  • Adjust subtitle timings with an audio waveform and spectrogram for precise synchronization.
  • Translate text using integrated AI translation services like Google Translate, DeepL, and local LLMs.
  • Generate subtitles from audio using integrated speech-to-text capabilities, including Whisper, MOSS-Transcribe-Diarize, and OpenRouter.
  • Support for forced alignment for accurate subtitle placement relative to audio.
  • Convert between over 300 different subtitle formats, including SubRip (*.srt), Advanced Sub Station Alpha, and EBU-TT-D.
  • Rip subtitles from DVDs and import/OCR VobSub binary subtitles.
  • AI Review feature for proofreading subtitles using local LLMs via llama.cpp or Ollama.
  • AI Assistant in the subtitle text box for quick actions like grammar correction and reading speed adjustment.
  • Text-to-Speech (TTS) functionality with engines like MOSS-TTS for zero-shot voice cloning.
  • OCR improvements with CrispEmbed local OCR engines (GLM-OCR, GOT-OCR2, Qwen3-VL) for image-based subtitles.

use cases

Who Should Use Subtitle Edit?

Subtitle Edit is designed for a diverse user base requiring detailed control over video subtitles, from professional translators to casual home users. Its open-source nature and extensive feature set make it suitable for various subtitle-related tasks.

  • Video creators: To create, adjust, and synchronize subtitle lines for their video content.
  • Translators: To translate subtitles using integrated AI services and ensure precise timing for different languages.
  • Home users: For personal video projects, converting subtitle formats, or fixing common subtitle errors.
  • Programmers: To utilize the DLL for custom applications or contribute to the open-source project.
  • Media professionals: For ripping subtitles from DVDs and performing OCR on VobSub binary subtitles.

how to use

How to Use Subtitle Edit

Getting started with Subtitle Edit involves downloading the desktop application and importing your video and subtitle files. The intuitive interface allows for immediate access to its core editing and synchronization tools.

  • 1Download and install the Subtitle Edit application for Windows, macOS, or Linux from nikse.dk/SubtitleEdit/.
  • 2Open a video file and load an existing subtitle file (or start a new one).
  • 3Utilize the audio waveform and spectrogram to visually synchronize subtitle lines with the spoken audio.
  • 4Edit subtitle text, adjust timings, and apply formatting using the main editor window.
  • 5Employ speech-to-text (Whisper) to generate subtitles automatically from the video's audio track.
  • 6Use AI translation features to translate subtitles into different languages, leveraging services like DeepL or local LLMs.
  • 7Save or export the subtitles in one of over 300 supported formats, such as .srt or .ass.

pricing

Subtitle Edit Pricing & Plans

Subtitle Edit is a free and open-source desktop application. All features, including advanced AI integrations for speech-to-text, translation, and review, are available without any cost. Users can download and utilize the software on Windows, macOS, and Linux platforms.

  • Free Tier: Free (includes all features and updates)

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Pros

  • +Free and open-source, providing professional-grade functionality without cost.
  • +Extensive support for over 300 subtitle formats, ensuring broad compatibility.
  • +Integrated speech-to-text (Whisper) and AI translation (DeepL, local LLMs) for efficient subtitle generation and localization.
  • +Precise synchronization tools, including audio waveform and spectrogram, for accurate timing.
  • +Cross-platform availability (Windows, macOS, Linux) from version 5.0.0 onwards.
  • +Active development with frequent updates, including new AI models and features.

Cons

  • −Requires desktop installation, not available as a web-based application.
  • −The breadth of features might present a learning curve for new users unfamiliar with subtitle editing software.
  • −While AI translation is integrated, the quality can vary depending on the chosen service or local LLM.
  • −No official API available for programmatic integration with other services.

Similar Tools

Subtitle Edit vs Competitors

Subtitle Edit distinguishes itself in the subtitle editing landscape through its comprehensive feature set, extensive format support, and robust AI integrations, particularly its cross-platform availability and active development.

1
Aegisub↗

Aegisub is widely used for creating karaoke effects and advanced styling for subtitles, particularly in anime fansubbing.

While Aegisub excels in advanced styling and automation, it lacks the integrated speech-to-text and AI translation features found in Subtitle Edit. Its interface might feel less modern compared to Subtitle Edit for general subtitle timing and editing tasks.

2

Jubler is a cross-platform subtitle editor that can act as an authoring tool for new subtitles or as a tool to convert, transform, correct, and refine existing subtitles.

Jubler offers a solid set of features for basic subtitle creation and editing across different operating systems, but it does not include advanced features like integrated speech-to-text, AI translation, or detailed audio waveform analysis that Subtitle Edit provides.

3
Gaupol↗

Gaupol is a text-based subtitle editor primarily focused on editing text subtitles and is particularly strong for Linux users.

Gaupol is excellent for quick text-based subtitle adjustments and translations, but it offers a more minimalist interface and lacks the comprehensive audio waveform, speech-to-text, and AI translation capabilities that make Subtitle Edit powerful for synchronization and generation.

4
Subler↗

Subler is a macOS application specifically designed to create tx3g subtitles, mux them into mp4 files, and add metadata.

Subler is a great choice for macOS users who need to embed subtitles directly into MP4 files and manage metadata, but it is not a general-purpose subtitle editor with the same level of timing, transcription, or translation features as Subtitle Edit, and it is exclusive to macOS.

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