Free, private, client-side writing tools that explain your text instead of just scoring it.https://writeplain.com/enhttps://writeplain.com/studies/comment-letters/https://writeplain.com/studies/comment-letters/SEC staff quote the phrase they could not follow and tell the filer to rewrite it in plain English. We ran this site's own diagnostics over every such phrase from 2004 to 2025, against matched prose from the same filing: most of them do no better than chance, because the regulator flags jargon and the tools look for sentence structure.Sun, 13 Sep 2026 00:00:00 GMThttps://writeplain.com/studies/clinical-lay-summary/https://writeplain.com/studies/clinical-lay-summary/Federal regulation requires every registered clinical trial to summarise itself in language written for the lay public. We scored 294,566 of those summaries against the 8th-grade target health-literacy guidance names: 99.3% miss it, and the gap is sentence length rather than jargon.Wed, 09 Sep 2026 00:00:00 GMThttps://writeplain.com/studies/simple-english/https://writeplain.com/studies/simple-english/English and Simple English Wikipedia describe the same subjects, one of them rewritten to be easier. We scored 1,398 matched pairs: word choice carries more of the gain than sentence length, and Simple English contains just as much passive voice per word as English does.Tue, 08 Sep 2026 00:00:00 GMThttps://writeplain.com/studies/sec-plain-english/https://writeplain.com/studies/sec-plain-english/The SEC has required plain English in part of every prospectus since 1998, and enforces it. We measured 984 prospectuses on both sides of that boundary — the regulated sections are the hardest ones.Thu, 27 Aug 2026 00:00:00 GMThttps://writeplain.com/studies/plain-writing-act/https://writeplain.com/studies/plain-writing-act/Congress ordered plain English for one class of federal document in 2010 and exempted another. We measured 20,710 documents across 26 years to see whether it made any difference.Wed, 26 Aug 2026 00:00:00 GMThttps://writeplain.com/learn/cleaning-up-text-pasted-from-pdfs/https://writeplain.com/learn/cleaning-up-text-pasted-from-pdfs/Why text copied out of a PDF comes out with broken line wraps mid-sentence, and how to rejoin it into real paragraphs without losing paragraph breaks.Mon, 03 Aug 2026 00:00:00 GMThttps://writeplain.com/learn/how-to-tell-if-an-edit-improved-your-writing/https://writeplain.com/learn/how-to-tell-if-an-edit-improved-your-writing/A lower readability score after an edit isn't proof the edit worked. What to actually check, and why an overall improvement score would be dishonest.Mon, 03 Aug 2026 00:00:00 GMThttps://writeplain.com/learn/markdown-tables-that-do-not-break/https://writeplain.com/learn/markdown-tables-that-do-not-break/The handful of ways a Markdown table quietly falls apart — pipes in code spans, ragged rows, CJK alignment — and how to avoid each one.Mon, 03 Aug 2026 00:00:00 GMThttps://writeplain.com/learn/meta-description-length/https://writeplain.com/learn/meta-description-length/Why the '155 characters' rule of thumb is actually a pixel-width limit wearing a character-count costume, and what that means for how you write one.Mon, 03 Aug 2026 00:00:00 GMThttps://writeplain.com/learn/naming-conventions-in-code/https://writeplain.com/learn/naming-conventions-in-code/How camelCase, snake_case, PascalCase, and the rest are used across languages, and how to convert between them without breaking things.Mon, 03 Aug 2026 00:00:00 GMThttps://writeplain.com/learn/passive-voice/https://writeplain.com/learn/passive-voice/What passive voice actually is grammatically, common myths, how to spot it reliably, the three legitimate uses, and rewrite patterns.Mon, 03 Aug 2026 00:00:00 GMThttps://writeplain.com/learn/title-case-vs-sentence-case/https://writeplain.com/learn/title-case-vs-sentence-case/When to use each, and why AP, Chicago, MLA, and APA style guides genuinely disagree about which words a title should capitalize.Mon, 03 Aug 2026 00:00:00 GMThttps://writeplain.com/learn/why-google-rewrites-your-title-tag/https://writeplain.com/learn/why-google-rewrites-your-title-tag/Length is only one reason Google replaces the title you wrote with one of its own — the other reasons have nothing to do with truncation at all.Mon, 03 Aug 2026 00:00:00 GMThttps://writeplain.com/learn/adverbs-and-when-to-cut-them/https://writeplain.com/learn/adverbs-and-when-to-cut-them/How to spot weak manner adverbs, the classic tell that means cut it, and the two cases where an -ly adverb is doing real work.Sun, 02 Aug 2026 00:00:00 GMThttps://writeplain.com/learn/expanding-acronyms-on-first-use/https://writeplain.com/learn/expanding-acronyms-on-first-use/Why 'expand it on first use' is the most repeated rule in every style guide, and the four ways real documents actually break it.Sun, 02 Aug 2026 00:00:00 GMThttps://writeplain.com/learn/heading-hierarchy-in-documentation/https://writeplain.com/learn/heading-hierarchy-in-documentation/Why skipping a heading level breaks more than it looks like it does, and what a generated table of contents actually depends on.Sun, 02 Aug 2026 00:00:00 GMThttps://writeplain.com/learn/hedging-language/https://writeplain.com/learn/hedging-language/What hedges and intensifiers are, why they let writing avoid a checkable claim, and when qualifying a statement is actually the honest choice.Sun, 02 Aug 2026 00:00:00 GMThttps://writeplain.com/learn/homoglyph-attacks-in-text/https://writeplain.com/learn/homoglyph-attacks-in-text/How a lookalike letter borrowed from another alphabet can pass a visual review and still fool a computer doing an exact comparison.Sun, 02 Aug 2026 00:00:00 GMThttps://writeplain.com/learn/how-long-should-a-sentence-be/https://writeplain.com/learn/how-long-should-a-sentence-be/Why there's no magic word-count target for a sentence, where length actually starts to hurt readers, and what to aim for instead.Sun, 02 Aug 2026 00:00:00 GMThttps://writeplain.com/learn/inclusive-language-in-technical-writing/https://writeplain.com/learn/inclusive-language-in-technical-writing/Where terms like allowlist, denylist, and primary/replica actually came from, who adopted them, and how to tell a genuine industry shift from a fad.Sun, 02 Aug 2026 00:00:00 GMThttps://writeplain.com/learn/keyword-density-is-not-a-ranking-factor/https://writeplain.com/learn/keyword-density-is-not-a-ranking-factor/Why the classic keyword-percentage advice stopped working decades ago, and how to use a frequency table without chasing a number.Sun, 02 Aug 2026 00:00:00 GMThttps://writeplain.com/learn/reading-speed-and-reading-time/https://writeplain.com/learn/reading-speed-and-reading-time/Where the words-per-minute figure behind every reading-time estimate actually comes from, and why the old 200 wpm figure is outdated.Sun, 02 Aug 2026 00:00:00 GMThttps://writeplain.com/learn/terminology-consistency-in-documentation/https://writeplain.com/learn/terminology-consistency-in-documentation/Why the same word spelled two different ways is one of the hardest defects to catch by eye, and how it differs from a plain style preference.Sun, 02 Aug 2026 00:00:00 GMThttps://writeplain.com/learn/there-is-there-are/https://writeplain.com/learn/there-is-there-are/When 'there is' or 'it is ... that' is the right call, when it buries your sentence's real subject, and how to tell the difference.Sun, 02 Aug 2026 00:00:00 GMThttps://writeplain.com/learn/throat-clearing-openers/https://writeplain.com/learn/throat-clearing-openers/Why sentences start with dead weight like 'it is important to note that,' how to spot the pattern, and why deleting it never loses information.Sun, 02 Aug 2026 00:00:00 GMThttps://writeplain.com/learn/us-vs-uk-spelling-in-technical-writing/https://writeplain.com/learn/us-vs-uk-spelling-in-technical-writing/Neither American nor British spelling is wrong. Mixing both in the same document is — and it happens more often than most writers realize.Sun, 02 Aug 2026 00:00:00 GMThttps://writeplain.com/learn/word-repetition-and-rhythm/https://writeplain.com/learn/word-repetition-and-rhythm/Why a word repeated three times in two sentences stands out to readers, and how to tell a real repetition problem from a necessary one.Sun, 02 Aug 2026 00:00:00 GMThttps://writeplain.com/learn/writing-a-glossary-for-technical-docs/https://writeplain.com/learn/writing-a-glossary-for-technical-docs/Why technical teams need a glossary, why almost none of them have a current one, and how to draft one straight from a document instead of a blank page.Sun, 02 Aug 2026 00:00:00 GMThttps://writeplain.com/learn/writing-for-non-native-english-readers/https://writeplain.com/learn/writing-for-non-native-english-readers/Why most software documentation is read by people who didn't learn English first, and what that actually changes about how to write it.Sun, 02 Aug 2026 00:00:00 GMThttps://writeplain.com/learn/writing-without-gendered-defaults/https://writeplain.com/learn/writing-without-gendered-defaults/Why 'chairman,' 'he/she,' and 'guys' persist in writing long after their replacements became standard, and how to catch them without overcorrecting.Sun, 02 Aug 2026 00:00:00 GMThttps://writeplain.com/learn/what-grade-level-should-i-write-at/https://writeplain.com/learn/what-grade-level-should-i-write-at/Recommended reading-grade targets by document type, why 'write at 8th grade' is misread advice, and how to lower grade level without dumbing down.Thu, 22 Jan 2026 00:00:00 GMThttps://writeplain.com/learn/nominalizations/https://writeplain.com/learn/nominalizations/What nominalizations are, why they add words and hide who's doing what, plus a 20-pair conversion table and the suffix pattern to watch for.Wed, 21 Jan 2026 00:00:00 GMThttps://writeplain.com/learn/why-long-sentences-are-hard/https://writeplain.com/learn/why-long-sentences-are-hard/The working-memory case against long sentences, with a nested example unwound step by step and a real before/after rewrite.Mon, 19 Jan 2026 00:00:00 GMThttps://writeplain.com/learn/how-readability-formulas-fail/https://writeplain.com/learn/how-readability-formulas-fail/Readability scores can be gamed by short, choppy nonsense. See a real demo, what formulas can't see, and why we pair scores with detail.Sun, 18 Jan 2026 00:00:00 GMThttps://writeplain.com/learn/gunning-fog-index/https://writeplain.com/learn/gunning-fog-index/How the Gunning Fog Index defines a 'complex word,' where that definition breaks down, and how it compares to the other two scores.Sat, 17 Jan 2026 00:00:00 GMThttps://writeplain.com/learn/flesch-kincaid-grade-level/https://writeplain.com/learn/flesch-kincaid-grade-level/How the Flesch-Kincaid Grade Level formula relates to Flesch Reading Ease, what a grade target actually means, and when it makes sense to aim for one.Fri, 16 Jan 2026 00:00:00 GMThttps://writeplain.com/learn/flesch-reading-ease/https://writeplain.com/learn/flesch-reading-ease/How the Flesch Reading Ease formula works, term by term, what the score ranges mean, and what it can't tell you about your writing.Thu, 15 Jan 2026 00:00:00 GMT