PRIVATE VIDEO TOOL

Offline video subtitle generator

Automatically recognize Chinese and English speech, correct every subtitle line and export SRT or VTT files without uploading your video.

✓ Chinese and English speech recognition✓ Edit words and timestamps✓ Video stays on your device
Choose a video to keep processing on this device.

Generated subtitles will appear here. You can correct every word and timestamp before exporting.

Offline video subtitle generator

Automatically recognize Chinese and English speech, correct every subtitle line and export SRT or VTT files without uploading your video. AI7700 is designed as a privacy-first browser tool: supported processing happens locally on your device, so your files are not uploaded to AI7700 servers.

How to use this tool

  1. Choose a file or files from your device.
  2. Adjust the available options for the result you need.
  3. Process the file locally, then save the result to your device.

Frequently asked questions

Are my files uploaded?

No. This tool processes supported files in your browser. Your files remain on your device during normal local processing.

Do I need to create an account?

No account is required to try the local tool. Membership is only needed for account-based features such as saving results or member access.

Is there a usage limit?

Local tools do not impose a file-count quota. Your practical limit is the memory and performance of your device and browser.