Journal · Updated 26 August 2026 · Fiona Freeman
Copyediting vs Proofreading
Copyediting and proofreading aren't the same job done twice. Here's the difference, and why both matter more now that many drafts start with AI.
Reviewed and brought forward. First published 8 July 2024; the argument has not needed changing.
Whether you’re writing a white paper, publishing a press release or posting on Instagram, it’s worth checking your copy carefully before you hit publish — and in 2026 that’s truer than ever, because a good share of what crosses an editor’s desk now started life as a machine draft.
Here’s how copyeditors and proofreaders help you get to word-perfect, and why the two jobs aren’t the same one done twice.
Copyediting is…
A copyeditor’s job is to make sure the text reads well, says what it means, and holds together. They may:
- Establish and hold a consistent tone of voice
- Remove inconsistencies in style, spelling or capitalisation
- Cut repetition and tighten long-winded sentences
- Improve headlines, structure and the order ideas arrive in
- Check the copy against a style guide or brand guidelines, where one exists
- Flag anything confusing, unsupported or misleading
That last point matters more than it used to. A human writer working from memory tends to get vague when they’re unsure of a fact; a language model tends to state it with total confidence anyway — a statistic that was never published, a study that doesn’t exist, a quotation nobody said. Copyediting AI-assisted drafts means reading for authority, not just fluency: does every claim trace back to something the writer actually had in front of them? Because copyediting usually involves more substantial changes, it tends to cost a little more than proofreading.
When to hire a copyeditor: you’ve got a draft — human-written, AI-assisted or both — and want the structure, tone and claims checked before it goes any further.
Proofreading is…
A proofreader focuses on the technical layer, including:
- Spelling
- Grammar
- Punctuation
- Capitalisation
- Formatting
- On-page layout
Proofreading is usually the last step before publication. It matters because sloppy text damages brand image and, eventually, sales.
“If a company can’t spell, how can consumers trust them to deliver a quality product?” — Forbes, Companies with the Best Grammar Win
One thing has genuinely changed here too: spell-checkers and grammar tools are better than they’ve ever been, which means the errors that survive to publication are rarely the obvious ones. They’re homophones a spellchecker waves through (site for sight), numbers that don’t match between a headline and the body copy, or — increasingly — an AI writing assistant quietly “correcting” British spelling into American mid-document because nobody told it not to. A proofreader who knows your house style catches what a generic checker is designed to miss.
When to hire a proofreader: you’re happy with the content and structure, and want a final, careful check for mistakes and inconsistencies before it goes live.
- See also: What is a copywriter? and What is transcreation?
A practical tip: use ‘track changes’ in Word (‘suggesting’ mode in Google Docs) for either job. It lets the person commissioning the work see exactly what changed, and accept or reject each one — which matters more, not less, when a draft has passed through more than one pair of hands, human or otherwise, on its way to you.
And in more than one language
Both jobs get harder, in a useful way, once translation is involved. Copyediting a translated or transcreated text means reading it twice: once as a piece of writing in its own right, and once against the source, to check nothing has drifted — a softened claim, a dropped caveat, a joke that made sense in English and doesn’t any more. Proofreading a multilingual set means checking that formatting conventions actually match the target market: decimal commas instead of decimal points, date order, currency symbol placement, quotation marks that look different in French (« guillemets ») than they do in English. None of that is optional if you want the finished piece to read as though it was written for that market, rather than translated for it.
How the two jobs work together
On a typical project the two happen in sequence, not as alternatives. Copyediting comes first, while there’s still room to reshape a paragraph or cut a section that isn’t working. Proofreading comes last, close to publication, once the structure is settled and the only remaining job is making sure nothing slipped through — which is also why asking a proofreader to restructure a document, or a copyeditor to do a final technical check under time pressure, tends to produce worse results than giving each job the stage it’s actually suited to.
Tidy up your texts with Bwritr
Our creative team copyedits and proofreads work in several languages, whatever stage it’s at — including the growing share of briefs that arrive as an AI-generated first pass and need a human read before anyone will put their name to it.
Not sure which service your project needs? No problem — tell us where you are and we’ll recommend the right one for your goals and budget.