Simple Online Spell Checker - Chrome, Edge, Firefox and iPad Extension

Boost your writing confidence with Helperbird's Spelling & Grammar Checker. Our quick and accurate tool is available on Chrome, Edge, and iPad, helping you polish your spelling and grammar effortlessly.

Spelling & Grammar Checker features


Improve your writing with our easy-to-use online spell checker. Available as a Chrome, Edge, and iPa extension, our tool quickly and accurately checks your spelling and grammar to help you write with confidence.

Perfect for students, professionals, and anyone looking to improve their written communication. Try it now and see the difference it can make in your writing.

Coming soon

Helperbirds spell checker is getting an updated, thanks to the Microsoft Editor API.


Improving the accuracy and credibility of your written communication, whether it's an email, a report, or a blog post.

Saving time by catching spelling and grammar errors quickly and easily, allowing you to focus on the content of your writing rather than getting bogged down in proofreading.

Increasing productivity by streamlining the editing process and making it easier to create high-quality, error-free documents.


  • Helperbirds spell checker will provides grammar, spelling across multiple sites so you can confidently write clear, concise posts and emails.
  • Will be powered by the Microsoft Editor API.
  • Chat to us to know any more information.

Is this a free feature?

No, it is a premium feature.

Screenshot of a Google Docs document titled 'Untitled document'. Within the document, there's partial text stating 'Hello everyone my nam'. Beneath the incomplete sentence, there's a word prediction tool suggesting completions like 'name', 'names', 'named', etc. On the right side, the Helperbird extension is active, displaying several features. There's a bright pink 'Helperbird note' that quotes Chef Gusteau from Ratatouille, saying, 'Your only limit is your soul. What I say is true—anyone can cook ... but only the fearless can be great.' Other visible Helperbird tools include 'Voice typing', 'Sticky note', 'Word Prediction', and 'Highlighter'.

Annotations & Sticky Notes

Transform your research and workflow with Helperbird's Annotations & Sticky Notes feature. Effortlessly highlight, annotate, and leave comments on any website or PDF. Choose from a variety of colors and sizes, and organize your notes seamlessly. Save to the cloud and export in multiple formats, all while using our robust search functionality.

Line, Letter, and Word Spacing

Effortlessly fine-tune the spacing of lines, letters, and words on any website or PDF. Enhance readability and tailor your online reading experience with Helperbird.

Show Alt & Image Descriptions

Streamline your web browsing by showing image and link descriptions on mouse over with Helperbird on any website or PDF. Gain quick insights into content by hovering over images and links.

5 out of 5 stars

“After using Helperbird I can't say enough positive things about it. This extension has truly transformed my online reading experience. Whether it's adjusting font sizes, reducing eye strain with the gray filter, or using the dyslexia-friendly fonts, Helperbird offers a range of features that cater to individual preferences and needs. The customizable color options and text alignment have also been incredibly helpful for personalizing my browsing. And the speed reading feature? It's a game-changer! Overall, Helperbird is a versatile, user-friendly tool that enhances accessibility and makes online reading a breeze. Highly recommended!”

Charlie Nishelle Calkins, recognized for her contributions to Helperbird
Charlie Nishelle Calkins
Helperbird Pro user