Harper checks grammar and spelling locally on a device, with an open-source project page for writers and developers.
Scribens
Scribens checks English grammar and spelling, including punctuation, agreement, conjugation, and word confusion.
About Scribens
Scribens checks English grammar and spelling, including conjugation, agreement, punctuation, typography, and word confusion. It shows an explanation for each detected mistake and includes dictionaries with definitions, conjugations, and synonyms. It supports correction in more than 40 languages and works through extensions in apps such as Gmail, Outlook, Word, and Google Docs.
The free plan is limited to 8,000 characters per day and includes advertising. The Premium version lists up to 5 million characters per month with a maximum of 100,000 per check, unlimited paraphrasing in 20 tones, and removal of ads.
Key features
- Checks English grammar, spelling, punctuation, and word confusion
- Shows explanation for each detected grammar mistake
- Provides dictionaries with definitions, conjugations, and synonyms
- Works in Gmail, Outlook, Word, and Google Docs via extensions
- Supports text correction in more than 40 languages
- Offers paraphrasing in 20 tones in Premium version
Best for: Students, professionals, writers, and others writing in English who want corrections with explanations.
Good for
- Provides an explanation for each detected mistake
- Includes dictionaries with definitions, conjugations, and synonyms
- Supports correction in more than 40 languages
Watch out for
- Free plan limited to 8,000 characters per day
- Free use includes advertising; removal of ads is listed for Premium
- Premium checking capped at 5 million characters per month and 100,000 per check
Scribens at a glance
- Website
- scribens.com
- Category
- Online Tools › Text Tools
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Android, Browser extension, iOS, Web
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
Scribens alternatives
Tools and sites you could use instead, ranked by how closely they match.
Grammarly's browser extension checks grammar and clarity as users write across websites.
Grammarly checks grammar, spelling, and punctuation and offers writing suggestions, according to its page.
LanguageTool checks grammar, punctuation, and spelling across more than 30 languages, with an AI writing assistant described on its page.
Convert Case changes text between uppercase, lowercase, sentence case, and other letter-case formats.
Fonts Ninja identifies fonts on web pages through a browser extension, with a hover interaction described on its site.
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Scribens FAQ
Is Scribens free?
Yes. Revenue comes from advertising and Premium subscriptions. The free plan is limited to 8,000 characters per day.
Which languages does Scribens support?
More than 40 languages, including French, English, and Spanish.
What does the Premium version include?
Up to 5 million characters per month, unlimited paraphrasing in 20 tones, backup and management of recent texts, and no advertising.
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