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Apps

The PDF Reader, Notes, Reading List, Dictionary, Notepad and Equation Editor.

Apps guides

Dictionary

A tour of the Helperbird Dictionary page: what each part of a result means, what the dictionary cannot do, and the gu...

Hearing a Word Aloud

Learn how to use the speaker buttons in the Helperbird Dictionary to hear a word pronounced, or to hear an example se...

Look Up from the Toolbar

Learn how to select a word on any page and look up its meaning straight from Helperbird's floating toolbar, without l...

Looking Up a Word

Learn how to search for a word in the Helperbird Dictionary and read its definitions and example sentences, grouped b...

Opening a Word on Wikipedia

Learn how to jump from a word in the Helperbird Dictionary to its Wikipedia page, for when a short definition is not ...

Opening the Dictionary

Learn how to open the Helperbird Dictionary from the extension popup in four steps, plus the other ways to look a wor...

Recent Searches

Recent searches were removed from the Helperbird Dictionary. Use Back and Forward to revisit lookups in the current t...

Similar and Opposite Words

Learn how to use the Similar words and Opposite words lists in the Helperbird Dictionary, and how clicking one looks ...

Equation Editor

Learn what every button in Helperbird's Equation Editor toolbar does, what the Menu button holds, the limits worth kn...

Add Equations

Write an equation in Helperbird, add it to a PDF or Notepad, and edit it later. Use your keyboard or the on-screen ma...

Copying an Equation

Learn how to copy an equation out of Helperbird's Equation Editor as LaTeX, as MathML or as an image, and which forma...

Dictating an Equation

Learn how to speak a maths equation into Helperbird's Equation Editor instead of typing it, and what the Listening an...

Hearing an Equation

Learn how to have Helperbird read a maths equation out loud, so you can check it says what you meant rather than tryi...

Opening the Equation Editor

Learn how to open Helperbird's Equation Editor from the extension popup, so you can write, hear and copy maths equati...

Saving as an Image

Learn how to save a maths equation from Helperbird as an image file, and when a picture is the right choice rather th...

Writing an Equation

Learn how to write a maths equation in Helperbird's Equation Editor, either by typing the LaTeX yourself or by pickin...

Helperbird Notepad

Learn about the Helperbird Notepad's writing tools, autosave, captured notes, reading list, and Word, Markdown, and t...

Adding a Saved Note

Learn how to use My Notes in the Helperbird Notepad to search the notes and highlights you saved while reading, and d...

Copying a Document

Learn how to duplicate a document in the Helperbird Notepad so you can edit a copy while keeping the original untouched.

Deleting a Document

Learn how to delete a document you no longer need from the Helperbird Notepad, and what to check before you do.

Downloading Your Work

Learn how to download your Helperbird Notepad writing as a Word file, a Markdown file, a Google Doc or a plain text f...

Opening a Saved Document

Learn how to find and reopen a document you saved earlier in the Helperbird Notepad using the View button.

Opening the Notepad

Learn how to open the Helperbird Notepad from the extension popup in four steps, so you have a clean, distraction-fre...

Saving Your Work

Learn how to save your writing in the Helperbird Notepad, where it is stored, and what to do if a long document will ...

Starting a New Document

Learn how to start a fresh document in the Helperbird Notepad without losing the one you were already working on.

Word and Character Count

See how many words and characters you have written in the Helperbird Notepad. The Text stats window also shows senten...

Writing and Formatting

Learn how to write in the Helperbird Notepad and use the formatting toolbar for headings, bold, lists, color, links a...

Manage Notes & Highlights

Create, edit, delete, search and export your sticky notes, highlights and saved captures in the Helperbird Notes app....

Reading List

Learn the difference between Helperbird's two reading list rows, how your saved pages are grouped on the list page, a...

Opening a Saved Page

Learn how to open a page you saved to your Helperbird Reading list, and how to read it with Helperbird's reading tool...

Opening Your Reading List

Learn how to open the Helperbird Reading list from the extension popup in three steps, and what you see on the list p...

Removing a Page

Learn how to remove a page from your Helperbird Reading list once you have finished with it, including how to find th...

Saving a Page

Learn how to save the web page you are reading to your Helperbird Reading list, so you can come back to it later.

Searching Your List

Learn how to search your Helperbird Reading list to find a saved page quickly once the list has grown too long to scan.

Using the PDF Reader

The Helperbird PDF Reader in one page. What it is, what each of the seven toolbar buttons does, what the reader canno...

Annotate and Export PDFs

A complete walkthrough of annotating a PDF in Helperbird. Add text boxes, draw, take notes, then export the finished ...

Drawing with the Keyboard

Learn how to add, move, resize and delete shapes on a PDF in Helperbird using only the keyboard, without needing a mo...

Opening the PDF Reader

Get a PDF into Helperbird. Open the reader from the popup, load a file from your computer, use the message on a PDF p...

PDF Annotations

Learn how to add text boxes and annotations to any PDF using Helperbird's PDF Reader. Write notes, format text, add c...

PDF Drawing Tools

Learn how to draw on PDFs with Helperbird's pen, shape, arrow, and line tools. A step-by-step guide to marking up any...

Reading a PDF

Read a PDF that is already open in Helperbird. Turn the pages, listen to any page with the text to speech player, and...

Save and Download PDFs

Download a PDF you marked up in Helperbird, and find out exactly which of your text boxes, drawings, notes and highli...

Share and Export PDFs

Send a PDF you marked up in Helperbird to a teacher, a class or a colleague. Download it first, then share the file t...

Text Boxes with the Keyboard

Learn how to position, resize and delete a text box on a PDF in Helperbird using only the keyboard, without dragging ...

The PDF Tools Menu

The Tools menu in the Helperbird PDF Reader. Reach Immersive Reader, Translate, Summarize and Screenshot Reader on yo...

Translate PDFs

Translate the current PDF page, compare the original and translation, and use Helperbird's reading tools on the trans...

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 43 more.

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