WProofreader

Free plan · paid from €34/mo · 14-day trial

What the maker publishes

Accessibility

The product is regularly tested for accessibility, supports keyboard navigation, and meets the majority of WCAG 2.1 Level A and AA success criteria. source

AI writing assistant

The assistant can shorten, expand, rewrite, improve style, change formality, summarize, and proofread text; its daily usage quotas depend on the subscription plan. source

Browser extension

Yes source

Browser support

The browser extension supports Chrome, Firefox, and Microsoft Edge. source

Certifications

The maker says it does not currently have official SOC 2 or ISO/IEC 27001 security certifications, while stating that its operations align with ISO/IEC 27001. source

Cloud hosting

The cloud infrastructure is hosted on AWS in the Northern Virginia region of the United States. source

Deployment

WProofreader offers cloud and self-hosted deployment; its self-hosted option can run within a customer's private cloud or on-premises infrastructure. source

Free plan

Yes source

Headquarters

Tallinn, Estonia source

Integrations

Supported integrations include CKEditor 5, CKEditor 4, Froala, TinyMCE, Quill, Tiptap, Syncfusion, Slate, Draft.js, Moodle, Drupal, and WordPress. source

Intended customers

The maker describes WProofreader as built for businesses and organizations, including healthcare, education, banking and finance, and legal users. source

Language coverage

The product page describes proofreading in 20+ languages and says AI-driven checking is available for English, German, and Spanish. source

Notable usage limits

The free SDK plan allows up to 20,000 words processed per day, while the extension page states a daily limit of 20,000 words for Free and 50,000 for Business. source

Security

The security page states that data in transit uses TLS 1.3 and data at rest uses AES-256, and that processed texts are not collected for further use. source

Style suggestions

Yes source

Support

The product team says it responds to technical and sales requests within one business day and can guide customers through setup. source

Tone detection

No source

Trial

The maker offers a 14-day evaluation period for the cloud SDK and a 30-day evaluation period for the on-premises SDK. source

What it does

WProofreader provides multilingual spelling, grammar, punctuation, and style checking, with AI writing assistance for rewriting and summarizing text. source

Checked against the maker's pages on 11 Oct 2026.