SignedText Helper by Signed Text service
A companion for SignedText.com. Automatically detects and verifies signed text blocks and simplifies loading source code for digital signing directly within your browser.
Available on Firefox for Android™Available on Firefox for Android™
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About this extension
SignedText Helper is the official extension for SignedText.com, designed to streamline digital signing and text verification.
Key Features:
Gain confidence in reading digitally signed messages with automatic, on-site verification.
Key Features:
- Automatic Detection: Scans pages to instantly highlight signed text blocks.
- Instant Verification: One click verifies text integrity and signer identity via the SignedText.com API.
- Human verification: Biometric confirmation guarantees the physical presence of the user during signing
- Source Loading: Automatically detects target URLs on signing pages and loads external source code directly into the editor, saving you from manual copy-pasting.
- Security: All API communication is encrypted. The extension requires minimal permissions to operate.
- Multi-language Support: Extension UI and verification results are available in English, Czech, and Slovak.
Gain confidence in reading digitally signed messages with automatic, on-site verification.
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Permissions and data
Required permissions:
- Access your data for all websites
Optional permissions:
- Access your data for all websites
Data collection:
- The developer says this extension doesn't require data collection.
More information
- Add-on Links
- Version
- 1.4
- Size
- 33.94 KB
- Last updated
- a day ago (Feb 4, 2026)
- Related Categories
- License
- All Rights Reserved
- Privacy Policy
- Read the privacy policy for this add-on
- Version History
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