Text Spacing Editor Firefox

Text Spacing Editor

A tool for editing text spacing properties on web pages. WCAG conformance information included.

Features & Capabilities

The Text Spacing Editor Chrome extension empowers users to customize text spacing properties directly on any webpage. Adjust line height, letter spacing, word spacing, and paragraph spacing through intuitive options including presets, sliders, and increase/decrease buttons supporting long-press events.

Designed with accessibility in mind, it supports full keyboard navigation, screen readers, and caters to various modes such as light, dark, high contrast, and reduced motion. The extension also enables quick toggling of custom spacing via a customizable keyboard shortcut. Multilingual support (including English, Czech, German, Italian, Hindi, French, Brazilian and European Portuguese, Spanish, Russian, Ukrainian, Slovak, and Hungarian) enhances usability globally. Additionally, it assists developers and designers in testing against WCAG 1.4.12 text spacing success criteria to ensure inclusive digital content.

User Growth & Download Statistics

Contact the developer

Chrome-Stats does not own this Firefox add-on. Please use these information below to contact the Firefox add-on developer.
Developed by:
Actum, s.r.o.
Firefox Add-ons Store
https://addons.mozilla.org/firefox/addon/text-spacing-editor-actum/
Email:
de*****@actumdigital.com
Website:
https://github.com/actum/text-spacing-editor

User Reviews

I read a lot in the internet, and this plugin helps tremendously. It helps people to read a lot comfortably.
by vs*****, 2025-05-15

Great tool for people who benefit from adjustments to text spacing and for people testing their pages for meeting WCAG 1.4.12.
by Jo*****, 2023-12-29
View all user reviews ›

Is Text Spacing Editor Safe?

Risk impact
Risk impact measures the level of extra permissions an extension has access to. A low risk impact extension cannot do much harms, whereas a high risk impact extension can do a lot of damage like stealing your password, bypassing your security settings, and accessing your personal data. High risk impact extensions are not necessarily malicious. However, if they do turn malicious, they can be very harmful.

Text Spacing Editor requires a few sensitive permissions. Exercise caution before installing.

Risk impact analysis details
  • Critical Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
Risk likelihood
Risk likelihood measures the probability that a Firefox add-on may turn malicious. This is determined by the publisher and the Firefox add-on reputation on Firefox Add-ons Store, the amount of time the Firefox add-on has been around, and other signals about the Firefox add-on. Our algorithms are not perfect, and are subject to change as we discover new ways to detect malicious extensions. We recommend that you always exercise caution when installing a Firefox add-on.

Text Spacing Editor has earned a fairly good reputation and likely can be trusted.

Risk likelihood analysis details
  • High This extension has low user count. Unpopular extensions may not be stable or safe.
  • Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
  • Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
  • Good **** ********* *** **** **** *******
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Best Text Spacing Editor Alternatives

Here are some Firefox add-ons that are similar to Text Spacing Editor: