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Tech riderRev. 11 Oct 2026

ProLexis

Ch 507.2of 88Grammar checkers
  1. 1Runs onAPI, Mac, Web, Windows
  2. 2Costsfree trial · paid from €20/mo
  3. 3Browser extensionYes
  4. 4Desktop appYes
  5. 5Style suggestionsYes
  6. 6Languages supported5
6 lines stated Written from the maker's own pages: prolexis.com
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The ProLexis homepage

Overview

ProLexis is ranked #50 of 88 in grammar checkers on Specifiction, made by ProLexis (Valbonne, France). It runs on API, macOS, Web, Windows. There is no free plan. A free trial is offered. Paid plans start at €20/mo.

ProLexis plans and pricing

All plans
ProLexis & Myriade €240/yr 240.00 € HT / an; 288.00 € TTC / an; annual renewal Correction and writing assistance for macOS · Correction and writing assistance for Windows prolexis.com · 21 Sept 2026
ProLexis & Myriade for Windows €240/yr 240.00 € HT / an - 288.00 € TTC / an; 12-month subscription, renewed annually Windows · one or more workstations (quantity selector) prolexis.com · 11 Oct 2026
ProLexis & Myriade for macOS €240/yr 240.00 € HT / an - 288.00 € TTC / an; 12-month subscription, renewed annually Macintosh · one or more workstations (quantity selector) prolexis.com · 11 Oct 2026

Compared on grammar checkers

Free plan
Noprolexis.com
Browser extension
Yesprolexis.com
Desktop app
Yesprolexis.com
Style suggestions
Yesprolexis.com
Languages supported
5prolexis.com

Facts

Purpose
ProLexis is a professional writing corrector that checks spelling, grammar, typography, meaning, and style.prolexis.com · 11 Oct 2026
Audience
The maker describes it as intended for professional writers, including press groups, publishers, journalists, printers, proofreaders, graphic artists, writers, academics, and scientists.prolexis.com · 11 Oct 2026
French spelling
The French spelling analyzer uses a dictionary with 703,000 word forms and accounts for Swiss, Belgian, and Quebec French.prolexis.com · 11 Oct 2026
English spelling
The English analyzer includes 580,000 word forms and lets users choose British or American vocabulary.prolexis.com · 11 Oct 2026
Typography
Users can adapt typographic rules to their writing and audience; included defaults draw on French, Swiss, US, UK, and Quebec reference guides.prolexis.com · 11 Oct 2026
Multilingual
ProLexis can recognize five languages present at the same time in a text.prolexis.com · 11 Oct 2026
Myriade
The included Myriade library offers French definitions, synonyms, antonyms, expressions, collocations, conjugations, and repetition detection, along with specialist dictionaries.prolexis.com · 11 Oct 2026
Integrations
The desktop product integrates directly with Word, OpenOffice Writer, LibreOffice Writer, Pages, Keynote, Adobe InDesign, Illustrator, InCopy, and QuarkXPress, among other listed applications.prolexis.com · 11 Oct 2026
Compatibility limit
On the listed Mac compatibility page, Word footnotes are not corrected and the web version of Microsoft 365 Business Basic is excluded.prolexis.com · 11 Oct 2026
Web service
ProLexis Web Service connects to CMS and writing tools over a network using SOAP, and can be deployed on an intranet or over the Internet.prolexis.com · 11 Oct 2026
Web integrations
The Web Service page lists standard plug-ins for CKEditor, FCKEditor, and TinyMCE, plus CMS integrations including Joomla, Drupal, and WordPress with Gutenberg.prolexis.com · 11 Oct 2026
Data and privacy
The maker says ProLexis & Myriade data are hosted in France, are not shared with third parties, and stored data are anonymized and inaccessible to people outside its linguistic analysis team.prolexis.com · 11 Oct 2026
Payment security
The maker says its payments are processed by Stripe, which it describes as PCI Service Provider Level 1 certified.prolexis.com · 11 Oct 2026
Trial and cancellation
The maker offers a free trial without stating its duration on the page, and says subscriptions can be cancelled at any time to stop renewal at the end of the paid period.prolexis.com · 11 Oct 2026
Support
Technical assistance is available through a support form and at [email protected]; the form asks users to describe the issue without entering personal information in the issue fields.prolexis.com · 11 Oct 2026

Company

Headquarters
Valbonne, Franceprolexis.com · 28 Sept 2026

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Where it ranks on Specifiction

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Sources