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Add Watermark

Adjust settings and see the watermark live on the page.

How it works
  1. Select your file from your device
  2. Adjust settings if needed
  3. Save the result — done!
Why LocalConvert?
  • 100% private — your files never leave your device. No server uploads, ever.
  • Free forever with no file size limits. No accounts, no subscriptions.
  • Works offline as an installed app. No internet required after first load.
Frequently asked questions

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✓ Your files never leave your device.