Galley proof · AP style, enforced

Over More than 1,300 AP rules, enforced.

Stylint reads your copy the way a copy desk does — retrieving the AP rules that apply, marking every correction in blue pencil, and citing the rule behind each one. You accept or reject. You stay the editor.

Start editing freeSign in

On the page

The game started at 7:00 PM 7 p.m. and featured 5 lead changes five lead changes in the 4th quarter fourth quarter.

How it works

01

Paste your draft

Drop in any story — news, features, briefs, releases. No formatting required.

02

Stylint marks it up

It retrieves the AP rules that apply, flags every violation, and cites the rule behind each mark.

03

Accept or reject

Review every mark on its own. Keep what holds, kill what doesn’t. You stay in control.

What Stylint catches

Numbers & numerals
Abbreviations & acronyms
Capitalization
Punctuation
Titles & honorifics
Dates & times
Addresses & places
Sports terminology
Business & finance
Legal & government
Medical & science
Weather & geography

1,300+ rules from the AP Stylebook, continuously updated.

Built for small newsrooms

Not every newsroom has a full copy desk. Stylint gives reporters, editors, and student journalists the same AP style accuracy that major publications rely on — without the overhead.

Organization accounts

Set up your newsroom with shared access. Admins manage users and API keys.

Custom house rules

Override or extend AP rules with your publication’s own style preferences.

Bring your own API key

Use your organization’s Anthropic API key. You control the costs.

Ready to clean up your copy?

Set up your newsroom in under a minute.

Get started free