Free browser tools
Make, check and convert Choicer Voicer Packs.
Use local-first tools for the files around a Dub Pack. Your selected videos and Pack archives stay on this device while each tool runs.
Choose a tool
Start with the job you need to do.
01Create
Dub Pack Maker
Prepare a browser-based Dub Mode Pack from local video, captions, and voice clips.
Open Pack Maker →02ValidateDub Pack Checker
Inspect a ZIP archive or extracted Pack folder before installing it in Choicer Voicer.
Check a Pack →03Convert for the gameMP4 to OGV
Create an Ogg Theora video for the main dub_video asset, entirely in your browser.
Convert MP4 to OGV →04Convert for the webOGV to MP4
Create a browser-friendly H.264 copy from an OGV video without uploading the original.
Convert OGV to MP4 →Local-first workflow
Your files stay in your browser.
The Maker, Checker and converters process selected files locally. They do not upload Pack archives or videos to this site or Cloudflare R2.