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Helperbird for Firefox

Text-to-speech, dyslexia-friendly fonts, immersive reader, reading rulers, and 40+ more tools - right in Mozilla Firefox.

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Over 1,000,000 people use Helperbird to customize the web to their needs.

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  • Uber
  • Harvard University
  • Microsoft
  • Shell
  • Gusto

Reviews from the Chrome Web Store, Firefox Add-ons and G2

Join over 1,000,000 people who use Helperbird every day.

help deliver the world to some wh...

This is a great little extension, lightweight and non intrusive. With dyslexia its reading that's an issue, not the underlying intelligence. An aid such as this one, can help deliver the world to some who may not otherwise have received it. Great Work.
Colm MurphyHelperbird user
It's been a great help. Im very happy I made the switch.
Gregory ArnoldHelperbird user

the upgraded version is next level

The free version of this is so great and helpful to a LOT of people...but the upgraded version is next level:)
Mia LaudatoHelperbird user

Questions & Answers

The questions we get asked most.

What is Helperbird?

Helperbird is a browser extension that makes reading and writing on the web easier. It adds text to speech, dyslexia-friendly fonts, color overlays, reading rulers, Immersive Reader, a PDF reader, voice typing and more to any website, PDF or Google Doc. It is built for dyslexia, ADHD, low vision, and anyone who finds the web hard to read.

Which browsers does Helperbird work on?

Helperbird works on Chrome, Firefox, Edge and Safari as a browser extension. There is also an iPad and iPhone app, and on Android it runs inside Firefox and Edge. Because it is a Chrome extension, it works on Chromebooks and ChromeOS too.

How do I install Helperbird?

Open your browser's extension store, search for Helperbird, and choose Add to Browser. The Helperbird icon then appears in your toolbar, and clicking it opens the panel. Nothing else needs setting up, and the free features work straight away without an account.

Is Helperbird free?

Yes. Helperbird has a free version that stays free, covering fonts and spacing, color overlays, dark mode, high contrast, text to speech, Immersive Reader, Reading Mode, the dyslexia ruler, reading guide, magnifier, translate, dictionary and the PDF reader. Pro adds natural voices, writing tools and the AI features.

Do I need an account to use Helperbird?

No. The free features work as soon as you install it, with no sign-up. You only log in if you buy Pro or your school gives you a license, and then you sign in with your browser's email account or enter your subscription key in Settings.

Helperbird logo: a stylized owl with large round yellow eyes and a beige face.

Download Helperbird

Text to speech, dyslexia fonts, reading rulers, color overlays, and 44 more.

Free to add, and the everyday tools stay free. Works in Chrome, Edge, Firefox and Safari.