A2Z Tools Plain Language Analyzer vs ProfText

A2Z Tools Plain Language Analyzer is a free web tool for checking English drafts against plain-language guidance. It links each finding to its source guideline and can flag complex words, GOV.UK words to avoid, hidden verbs, “shall” used for requirements, double negatives, passive voice, long sentences, and long words. A Flesch-Kincaid estimate compares the draft with an audience target. Defaults set thresholds for general-public text, service instructions, or professional readers, and users can add organization jargon with plainer alternatives using an equals sign. Findings can be exported as CSV. Text that is pasted, typed, or dropped is processed in the browser tab; the maker says it is not uploaded, logged, stored, or sent to analytics. The analyzer checks English only, combining US and UK word guidance. Scores measure sentence and word length rather than meaning, so findings are prompts for human review. It is free online at free.

ProfText checks documents for vague language, patterns associated with AI-generated writing, and academic citation validity. Available on the web and through an API, it accepts text and offers a free tier with 30 clarity and detection rules. ProfText says free analysis runs in a browser Web Worker, so text stays on the user’s device and is not retained. The free plan allows unlimited analyses of up to 5,000 characters each, but excludes citation verification, AI rewrites, compliance checks, risk scoring, and shareable report links. Pro costs €9.99 per month and raises the analysis limit to 100,000 characters. It adds citation cross-checks against OpenAlex, rewrites with tone controls, compliance flags, risk grading, custom rules, and.txt and.docx uploads. Pro also includes CSV export, priority support, and report links that remain available for 90 days. Enterprise adds REST API access, bulk processing, SSO and team management, and dedicated support at a custom price. The site describes team workflows with roles, document versioning, comments, approvals, and analytics.