ProLexis
by ProLexis
What ProLexis is
ProLexis is professional writing-correction software from ProLexis, headquartered in Valbonne, France. It checks spelling, grammar, typography, meaning, and style, and provides style suggestions across web, Windows, macOS, and API access. A desktop app and browser extension are available. The software supports five languages at once in a text. Its French analyzer contains 703,000 word forms and covers Swiss, Belgian, and Quebec usage. The English analyzer contains 580,000 forms and lets users select British or American vocabulary. Writers can adapt typographic rules, with defaults based on French, Swiss, US, UK, and Quebec references. The Myriade library adds French definitions, synonyms, antonyms, expressions, collocations, conjugations, repetition detection, and specialist dictionaries. Desktop integrations include Word, OpenOffice Writer, LibreOffice Writer, Pages, Keynote, Adobe InDesign, Illustrator, InCopy, and QuarkXPress. ProLexis Web Service connects to CMS and writing tools through SOAP, with plug-ins for CKEditor, FCKEditor, TinyMCE, Joomla, Drupal, and WordPress with Gutenberg. Plans start at €240/yr, with a 30-day trial and no free plan.
Who it suits
It suits professional writers, publishers, journalists, proofreaders, academics, scientists, and other teams needing detailed multilingual correction. Organizations can also connect it with desktop publishing tools or CMS platforms.
What it does well
- Checks spelling, grammar, typography, meaning, and style
- Supports five languages in one text
- French dictionary contains 703,000 word forms
- Integrates with major writing and publishing applications
- Offers CMS connections through SOAP Web Service
What to know first
- No free plan
- Starts at €240/yr
- Mac Word footnotes are not corrected
- Microsoft 365 Business Basic web version is excluded
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| ProLexis & Myriade | 240.00 € HT / an; 288.00 € TTC / an; annual renewal · Correction and writing assistance for macOS · Correction and writing assistance for Windows | €240 a year |
| ProLexis & Myriade for Windows | 240.00 € HT / an - 288.00 € TTC / an; 12-month subscription, renewed annually · Windows · one or more workstations (quantity selector) | €240 a year |
| ProLexis & Myriade for macOS | 240.00 € HT / an - 288.00 € TTC / an; 12-month subscription, renewed annually · Macintosh · one or more workstations (quantity selector) | €240 a year |
As prolexis.com lists them, read 21 Sept 2026. The maker's own page has the final word.
Verdict
ProLexis combines extensive language references, customizable typography, and broad desktop and CMS integrations. Its annual paid plans and listed compatibility limits are important considerations for buyers.
Facts from ProLexis's own pages
- 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
- Browser extension
- Yes · prolexis.com, 21 Sept 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
- 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
- Desktop app
- Yes · prolexis.com, 21 Sept 2026
- English spelling
- The English analyzer includes 580,000 word forms and lets users choose British or American vocabulary. · prolexis.com, 11 Oct 2026
- Free plan
- No · prolexis.com, 21 Sept 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
- Headquarters
- Valbonne, France · prolexis.com, 28 Sept 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
- Languages supported
- 5 · prolexis.com, 21 Sept 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
- 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
- Purpose
- ProLexis is a professional writing corrector that checks spelling, grammar, typography, meaning, and style. · prolexis.com, 11 Oct 2026
- Style suggestions
- Yes · prolexis.com, 21 Sept 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
- 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
- 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
- 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
- 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
Where ProLexis stands on Freedom251
- Grammar checkers#83 of 88