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How to Use the Helperbird PDF Reader

The Helperbird PDF Reader in one page. What it is, what the toolbar buttons do, what the reader cannot do, and which guide covers each job.

On this page

This page is the map of the Helperbird PDF Reader. It covers what the reader is, what each button in the toolbar does, and which guide takes over from here.


What the PDF Reader Is

The PDF Reader is a separate Helperbird app that opens in its own browser tab. It draws the PDF itself and puts a toolbar above it, so a document you could not type into or listen to in your browser becomes one you can.

Your file stays on your computer. Nothing is uploaded to open a PDF.

Opening PDFs, page search, zoom, typing and inserting Notepad content are free. Drawing, natural voices, dictation, grammar, translation and equation editing need Helperbird Pro.

A sample PDF open in PDF Reader with the main toolbar and page navigationView full-size image (opens in a new tab)


What Each Toolbar Button Does

The header contains the main document tools. Choose Zoom and search to show or hide the page-search and zoom controls.

The buttons in the PDF Reader toolbar and the guide that covers each one.
ButtonWhat it doesFull guide
Text to SpeechOpens a player bar and reads the page you are on, or the text you highlightedRead a PDF and take notes
Add TextboxPuts a box on the page that you can type in, format and moveAdd text boxes to PDFs
DrawFreehand pen, shapes, lines and arrows over the pageDrawing tools on PDFs
DownloadSaves the file, with or without the changes you madeSave and download PDFs
NotepadOpens a writing panel beside the PDF, with dictation and a grammar checkRead a PDF and take notes
ToolsHolds Immersive Reader, Translate, Summarize, Screenshot Reader and Insert equationThe Tools menu
Zoom and searchShows or hides the bar for page search, zoom, Fit width, and Fit pageRead long PDFs
Open PDFLoads a file from your computerOpen the PDF Reader

PDF Reader toolbar and Page controls above a sample documentView full-size image (opens in a new tab)


PDF Reader with Page thumbnails beside the documentView full-size image (opens in a new tab)

Reading and Layout Controls

Choose Speed Reading for a word-by-word view of the current page. It has its own pace control and a middle-letter highlight. Use Speed Reading.

Settings contains PDF Reader Width, light or dark mode, and Keyboard shortcuts. The theme changes the reader interface. It does not recolor the original PDF page.

PDF Reader Settings with width, dark mode and keyboard shortcutsView full-size image (opens in a new tab)

Page thumbnails opens page previews. The Page number field above and below the document also lets you jump directly to a page.


PDF Reader in dark mode while the PDF page keeps its original colorsView full-size image (opens in a new tab)


What the Reader Cannot Do

  • It shows one page at a time. There is no continuous scroll.
  • The web Highlighter palette and Highlight Menu do not appear in the PDF Reader. Use Draw or Add Textbox to annotate the page.
  • Search looks only through the current page, not the whole document. It is free.
  • Use the Page field or Page thumbnails to jump to another page.
  • You cannot change the words already in the PDF. Anything you add sits on top of the page.
  • If the PDF has its own fill-in boxes, what you type into them is lost when you download. Put a text box on top instead.
  • Local recovery keeps one current PDF session, not a library. Opening another PDF replaces that recovery copy. Download your changes before moving on.

Where to Go Next


Video Tutorial


Need Additional Help?

Ran into a snag while using the PDF Reader? Reach out to our Helperbird support team and we will help you sort it out.

Printed from the Helperbird Help Center · Updated September 25th, 2026

Questions? We are happy to help — helperbird.com/support

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it didn't ask for obnoxious permi...

Immersive Reader from Microsoft is amazing, but my friends in Google districts were missing out until I found Helperbird. Great for proofreading! Simply highlight the text and have it read back to you, change the spacing in your view, highlight parts of speech, even translate by word or by document to have it read to you and adjust the speed! So amazing that I posted a YouTube tutorial within days of installing it. Plus, unlike many extensions, it didn't ask for obnoxious permissions like asking to delete everything in my Google Drive. #Winner #a11y
GK TechiesHelperbird user

makes reading text heavy web page...

Helperbird offers a wide range of customization in one easy to navigate spot. Computers and dyslexia don't always mesh, the features like ruler makes reading text heavy web pages easier. Tech support is amazingly responsive should you need any help.
Fiona WrenHelperbird user
Making such an useful tool, replying to every single comment or review and giving support to people's issues as soon as possible?? Carefully, he is a hero.
Martin BuiHelperbird user
Helperbird logo: a stylized owl with large round yellow eyes and a beige face.

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