# signTextJS plus

> window.crypto.signText replacement plus enhancements

Canonical page: [https://chrome-stats.com/d/signtextjs-plus](https://chrome-stats.com/d/signtextjs-plus)

## Overview

- **ID:** `signtextjs-plus`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** JaSP
- **Category:** web-development,privacy-security
- **Daily users:** 5,497
- **Weekly downloads:** 16
- **Rating:** 3.25 / 5 (92 ratings)
- **Version:** 0.9.6
- **Last updated:** 2020-10-04
- **First published:** 2016-04-18
- **Size:** 31 KB
- **Data as of:** 2026-09-09
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/signtextjs-plus/)

## Description

signTextJS plus is a Chrome extension that revitalizes the deprecated window.crypto.signText technology, widely used in government and banking digital signatures. It requires a native backend for full functionality, detailed on its [homepage](https://github.com/jasp00/signTextJS).

Beyond restoring automatic digital signature capabilities and certificate authority filtering removed from Firefox 35 onwards, signTextJS plus introduces valuable enhancements, including asynchronous operation, filtering by non-repudiation certificates, and support for the secure SHA-256 hash algorithm. This extension is essential for users needing reliable and modernized digital signature support within their browsers.

## Rankings

- #1,106 — Overall
- #115 — Web Development
- #230 — Privacy & Security
- #7 — sign
- #58 — summarize text
- #60 — speech to text

## Permissions and access

### Permissions

- `nativeMessaging`
- `storage`

### Content script matches

- `<all_urls>`

## Safety

- **Risk impact:** Moderate risk impact
- **Risk likelihood:** Low risk likelihood

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

## Review summary

User reviews for signTextJS plus are limited and somewhat varied. Some users appreciate its easy access and utility for downloading digital certificates. However, multiple reports indicate an internal error occurs when running tests from the developer's page, suggesting stability issues. Overall, feedback suggests the add-on functions but may have technical problems and lacks comprehensive user guidance.

### Pros

- Easy access to features
- Suitable for downloading digital certificates

### Cons

- Internal error encountered when running tests on developer's page
- Lack of clear user experience or guidance

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Source: [Chrome-Stats](https://chrome-stats.com/d/signtextjs-plus)