Find missing commas, stray apostrophes, misused semicolons and a dozen other punctuation issues in any English text. Free, no sign-up.
Punctuation rules are complex — Oxford commas, comma splices, em-dash spacing, possessive vs plural apostrophes — and even native speakers slip up. A dedicated checker enforces the consensus rules consistently. LanguageTool includes thousands of punctuation-specific rules.
Paste your text. The tool calls LanguageTool's API and filters the results to highlight punctuation-category issues. Each match shows the exact problem and a suggested fix.
Use it on every important email, every published article, every formal letter, every transcript you're publishing, and every academic submission. Sloppy punctuation undermines credibility even when content is strong.
For consistency, pick a style guide (Chicago, AP, GOV.UK, your own house style) and follow it everywhere. The Oxford comma is contentious — pick a side and stay consistent. Em-dashes are stylistic; commas are mandatory.
Joining two complete sentences with just a comma. Use a period, semicolon, or coordinating conjunction instead.
To join two related complete sentences without a conjunction, or to separate items in a list that already contains commas.
No — they're a stylistic choice. AP style discourages them; literary writing embraces them. Be consistent.
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