QuokkaPix

Private browser processing

Create SRT or VTT subtitles from video

Generate timed subtitle segments locally, correct the text and download an SRT or VTT file for another player or editor. The source and exported media stay on this device during normal processing.

The source and exported media stay on this device during normal processing.

Prepared workflow

The editor opens with the documented mode and starting settings already selected. You can adjust everything after choosing the source file.

tool=transcriberecipe=transcribe_srt

How to use it

  1. Open the editor with the button above; the matching mode and initial settings are applied automatically.
  2. Choose one local video in the browser file picker and review its duration, dimensions and audio track.
  3. Adjust the prepared settings, preview the important moments and export the result to your device.

What to check

  • Preview the beginning, a middle section and the ending.
  • Confirm duration, frame, sound and output format.
  • Open the downloaded file once before publishing it.

Agent recipe

Agents can apply the same official recipe through the browser runtime, WebMCP, local MCP or the paired Remote MCP bridge. Media bytes remain local.

{
  "schemaVersion": "1.0",
  "surface": "video",
  "tool": "transcribe",
  "recipeId": "transcribe_srt",
  "alternateRecipeId": "transcribe_vtt",
  "editorUrl": "https://video.quokkapix.com/#lang=en&tool=transcribe&transcript-format=srt&burn-subtitles=0&entry=video-to-srt-vtt&recipe=transcribe_srt",
  "manifest": "https://video.quokkapix.com/agent-manifest.json",
  "recipeCatalog": "https://video.quokkapix.com/agent-recipes/index.json",
  "processing": "browser-local",
  "mediaBytesUploaded": false
}

agent-recipes/index.json · agents.html

Technical sources

Other local video tools

Convert video speech to text

Transcribe spoken audio with local Whisper processing, edit the detected segments and download a plain TXT transcript.

Extract audio from a video

Save the soundtrack as a separate WAV file in the browser while the original video remains on your device.

Trim and cut a video

Open a private timeline editor, split the clip, disable unwanted segments and export the remaining video directly in your browser.