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MKV to text

Transcribe MKV for recorded videos, screen captures, and open-format video

MKV is the open Matroska video container, common in recordings and downloads. SnailText pulls the speech from an MKV and transcribes it locally, and it can generate SRT or VTT subtitle files.

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Transcribe MKV and every other format, locally

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What is an MKV file?

MKV (Matroska Video) is a flexible open video container that can hold video, multiple audio tracks, and subtitles in one file. Screen recorders, media archives, and many downloads use it. It is popular precisely because it is flexible, but that flexibility means some desktop tools do not read it.

How to convert MKV to text

SnailText turns a MKV into text locally, in four steps:

  1. Open the Transcribe files screen in SnailText.
  2. Drop in your MKV file, or a whole folder of them.
  3. Pick your output: plain text, Markdown, JSON, or SRT / VTT subtitles.
  4. Run it. The transcript is saved next to your files or wherever you choose.

The Whisper speech model transcribes on your own machine, so the audio never leaves your computer and there is no per-minute charge. MKV is a video format, so SnailText uses a codec pack it downloads once inside the app. After that one-time download it works offline, and transcription runs fully on your machine.

You have an MKV of a talk, a recording, or a screen capture, and you want a transcript or subtitles. SnailText extracts the audio and transcribes it on your machine, then can write SRT or VTT subtitle files. Video formats use a one-time codec pack the app downloads for you.

MKV to text and captions, free and without uploading

Most "mkv to text online" tools upload your file to a server and cap you at a few minutes unless you pay. SnailText is the opposite: it transcribes MKV on your device, so nothing is uploaded, there is no length limit beyond your own memory, and the free tier has no per-minute meter. That makes it a fit for anything sensitive, recordings with names, client video, or private notes, where sending the file to a web service is the thing you want to avoid.

Generate SRT and VTT subtitles from MKV

The most common reason to transcribe MKV is captions. Pick SRT or VTT before the run and SnailText writes a subtitle file you can drop straight onto the video. It also exports plain text if you just want the transcript:

  • · SRT and VTT subtitles with phrase-level timestamps, ready to drop onto a video.
  • · Plain text (TXT) for a clean transcript you can read, search, and edit.
  • · Markdown with a heading per file, handy for notes and docs.
  • · JSON for feeding the transcript into your own scripts or tools.

Try it on your own files

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Transcribe MKV and every other format, locally

What people transcribe from MKV

Recorded talk

"Transcribe an MKV of a talk and export SRT subtitles for it."

Screen capture

"Turn an MKV screen recording into a written transcript."

Archived video

"Generate VTT captions from an MKV before sharing it."

MKV to text FAQ

How do I get text or subtitles from an MKV?
Open SnailText, go to Transcribe files, add your MKV, and pick your output. For subtitles, choose SRT or VTT before you run it. SnailText extracts the audio and transcribes it locally with the Whisper model, nothing is uploaded. MKV and other video formats use a one-time codec pack the app downloads for you.
Why can some apps not open my MKV?
MKV is an open, flexible container that some desktop apps skip. SnailText handles it through its codec pack, so you can transcribe or caption an MKV locally without converting it to MP4 first.
Is MKV transcription free?
SnailText's free tier transcribes locally with the compact Whisper models, no account and no per-minute meter. Pro adds the larger, more accurate models and an optional on-device AI cleanup pass, $7.49/mo or $89/yr for up to 3 devices.
Can I transcribe a whole folder at once?
Yes. Drop a folder (or several files) into the Transcribe files screen and SnailText processes them one after another, writing a transcript for each. It scans the files directly in the folder. You can also drag and drop files straight in.
Can I get SRT or VTT subtitles?
Yes. Pick SRT or VTT as the output before you run the transcription and SnailText writes a subtitle file with phrase-level timestamps. Choose it up front, since subtitles are produced during the run. You can also export plain text, Markdown, or JSON.
What languages can it transcribe?
SnailText transcribes in the full set of Whisper languages (99), and can auto-detect the language or let you pick. Everything runs locally, so multilingual transcription works with no internet after the model is downloaded.

Transcribe other formats

Transcribe MKV on your own machine

Free local transcription, no account needed. MKV to text, plus SRT and VTT subtitles, on Mac and Windows.

Download for Mac Or for Windows →