AP Style Checker
Free AP style checker online for journalists, editors, and PR professionals
Tool Access see who can use this tool
How to Use the AP Style Checker
Three steps from paste to polished.
Paste Your Text
Copy your article, press release, or draft into the input box. The AP style checker handles any length of text — from a single paragraph to a full feature story.
Run the AP Style Check
Click the check button. The AI reads your text against AP Stylebook rules and generates a structured compliance report, including a score and a categorized issue list.
Review and Apply Corrections
Read through each flagged issue. Each entry shows the original phrase, the AP-correct version, and the rule explanation. Apply the changes directly in your document.
Related Tools
Explore more AI tools in this category
AI Biography Generator
Write polished professional bios in seconds
Fix It Grammar
AI grammar fixer that corrects grammar mistakes, spelling, and punctuation in seconds
Comma Splice Checker
Free online comma splice and run-on sentence checker — paste text, get fixes instantly
AI Sentence Expander
Transform short sentences into rich, detailed content — choose your tone, mode, and length.
Extend Your Essay Instantly
Paste any essay or paragraph. The AI adds depth, detail, and length while keeping your original voice.
AI Essay Organizer
Plan and structure any essay in seconds with AI-powered organization
What the AP Style Checker Reviews
Seven rule categories. Clear corrections. No guesswork.
Rule-by-Rule Explanations
Every AP style violation shows the original text, the corrected version, and the specific Stylebook rule behind the change. You see exactly what was wrong and why — not just a red underline.
Seven AP Style Categories
Checks number formatting, date and time conventions, punctuation (no Oxford comma), tech terms like email and internet, state abbreviations, gender-neutral language, and common AP word preferences.
Compliance Score and Summary
Get an overall AP style compliance percentage alongside a categorized breakdown of issues. Quickly spot which rule areas need the most attention before filing your story or sending your release.
Frequently Asked Questions
Everything you need to know about the AP Style Checker
What is an AP style checker?
An AP style checker scans written text for violations of the AP Stylebook — the style guide used by journalists, wire services, and news organizations across North America. It flags rule violations and suggests corrections. It checks categories like number formatting, date conventions, punctuation (no Oxford comma), technology terms, state abbreviations, and gender-neutral language, then explains each violation and offers a correction. This AP style checker uses AI to analyze context, not just match patterns — more accurate than rule-based tools.
How do I use this free AP style checker?
Paste your text into the input box, select a writing context if needed, and click the check button. The AP style checker returns a full compliance report in seconds — no waiting, no installation. The report includes your overall AP style compliance score and a categorized issue list. Each item shows the original text, the corrected version, and the AP Stylebook rule that applies to that specific error. No installation required. Open, paste, and start editing immediately.
Is this AP style checker free?
Yes, the AP style checker is completely free to use online. There are no paywalls, subscription fees, or hidden costs — the full AP style check is available at no charge for every document you submit. Run as many checks as you need without creating an account. Journalists, PR professionals, and students can access every feature from the first visit without signing up or providing payment information. The free AP style checker covers all seven rule categories with no daily usage limits.
How many AP style rules does this checker cover?
The AP style checker covers seven key Stylebook rule categories addressing the most common violations in news articles, press releases, and professional writing. Those categories are: number formatting (one through nine written out, 10 and above as digits), date and time conventions, punctuation (no Oxford comma), technology terms like email and internet, state abbreviations, gender-neutral language, and standard AP word preferences. Within each category, multiple specific rules apply, and the AI considers sentence context before flagging an issue.
Do I need an account to use this AP style checker online?
No account is required. Open the AP style checker online, paste your text, and run the check immediately — no sign-up, no email address, no password needed at any point. This makes the tool accessible during tight deadlines. Students, journalists, and editors can use the free AP style checker without any registration barrier slowing down the editing process. Text is processed and the report returned without being stored or linked to any user profile.
What is AP Style and who created it?
AP Style, formally called Associated Press Style, is a set of editorial guidelines published by the Associated Press. It standardizes how journalists write numbers, dates, titles, abbreviations, and common terms. Originally created to ensure consistency across wire service articles, AP Style became the default standard for newspapers, digital outlets, and PR writing in North America. Most journalism programs teach it as the baseline for professional writing. The AP Stylebook is updated annually to reflect changes in language, technology, and cultural usage.
What is the difference between AP style and Chicago or MLA style?
AP Style, Chicago Style, and MLA serve different audiences. AP Style is for journalism and PR writing; Chicago is for books and academic publishing; MLA is for humanities research and academic papers. Key differences include punctuation (AP omits the Oxford comma; Chicago recommends it), title capitalization, and citation formats. AP also requires specific state abbreviations and date formats that other guides skip. An AP style grammar checker focuses on the journalism conventions that Chicago and MLA do not address.
Does this AP style grammar checker also catch regular grammar errors?
The primary focus is AP Stylebook compliance, not general grammar. However, many AP Style rules overlap with correct writing — punctuation placement, precise word choice, and headline agreement are all part of the check. For errors like spelling mistakes or run-on sentences, a dedicated grammar tool complements this AP style checker well. Together, they cover both general correctness and AP-specific style standards. Run this AP style check first for compliance, then use a grammar tool as a second editorial pass.
Who should use an AP style checker?
Any writer whose work is expected to follow AP Stylebook guidelines benefits from this tool. That includes newspaper journalists, digital reporters, public relations professionals, and communications students studying journalism. Editors who review large volumes of copy find the compliance score and issue breakdown useful for identifying which AP Style rules a writer needs to practice most. PR agencies preparing press releases for wire distribution also follow AP Style and can check drafts before submission.
Can I use this AP style checker for press releases?
Yes. Press releases distributed through wire services like PR Newswire are expected to follow AP Style. This AP style checker is well suited for reviewing press release drafts before submission. It flags common press release issues: number formatting errors, incorrect state abbreviations (CA instead of Calif.), punctuation mistakes, and tech term capitalization that can hurt credibility with editors. A clean AP style check increases the likelihood that your press release runs without edits from wire service desks.
How accurate is the AI AP style checker?
The AI AP style checker is accurate for the seven rule categories it covers, which account for the majority of AP Stylebook violations found in everyday news writing and press releases. Accuracy is highest for rule-based checks like number formatting, date conventions, and abbreviations. Context-dependent rules involve judgment the AI handles well in most sentences, though not with perfection in every construction. Review every flagged item critically, especially for proper nouns, quoted text, or highly context-specific sentences.
Can this AP style checker help me learn AP Style rules?
Yes. Each flagged issue shows the original text, the corrected version, and the AP Stylebook rule behind it — turning every check into a practical lesson, not just a list of fixes. Journalism students and writers new to AP Style find this format useful for building rule knowledge over time. Running the AP style checker regularly on your own writing reinforces the patterns and shortens the learning curve. After a few sessions with real corrections and explanations, many common AP Style conventions become second nature.
Still have questions?
Contact our support teamCheck Your AP Style Now
Paste any article, press release, or draft. Get a full AP style compliance report with rule-by-rule corrections and explanations — free, instant, no account needed.
Start Free AP Style Check