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SigBlock

Create HTML email signatures with 8 pro templates. One-click copy that works in Gmail, Outlook, and Apple Mail. No signup, runs in your browser.

Open SigBlock

What you get

Features

  • 8 professionally designed templates
  • One-click copy to any email client
  • Custom colors, social icons, and contact details
  • Works in Gmail, Outlook, Apple Mail, and Yahoo

Privacy first

Built for your browser

SigBlock is designed to be fast, simple, and distraction-free. Open it in any modern browser and get started in seconds — no downloads, no installations, no account required.

Most of our file tools process everything locally in your browser. Productivity tools store data locally by default with optional cloud sync when you sign in.

Get started

How it works

  1. 01Open SigBlock in your browser
  2. 02Select or drag & drop your file
  3. 03The tool processes it locally using browser APIs
  4. 04Download your result — done!
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