Proofreading vs. Editing: What's the Difference?
The two terms are often used interchangeably, but they describe different jobs done at different stages of writing. Knowing which one you need saves time and money and makes sure you get the right kind of feedback.
Developmental or Substantive Editing
This is the deepest level of review. The editor looks at the paper as a whole: whether the thesis is clear, whether the argument holds together, whether sections are in a logical order and whether anything important is missing. Expect comments and suggestions rather than line-by-line fixes. It's most useful early, when you have a full draft but still have time to make bigger changes.
Line Editing
Line editing works sentence by sentence. The editor improves clarity, flow and word choice, smooths transitions between paragraphs, cuts repetition and wordiness, and keeps the tone formal and consistent. Awkward phrasing, run-on sentences and unclear references are the typical targets.
Copyediting
Copyediting focuses on correctness and consistency. The editor fixes grammar and usage, checks that terminology, abbreviations, numbers and spelling are consistent throughout, and makes sure the paper follows your style guide. It doesn't involve major restructuring.
Proofreading
Proofreading is the final check before you submit. A proofreader catches typos, spelling mistakes, missing or misused punctuation, spacing problems and small formatting errors without changing your meaning. It assumes the content and structure are already final.
Many students need a combination, such as a line edit and copyedit followed by a final proofread. If you're not sure, describe your concerns in your order and ask editors in chat what they recommend.
What Each Level of Editing Looks Like
Here is how the same sentence from a student draft changes at each level:
- Original: "There is alot of studies that shows social media effects teenagers mental health, this is a big problem for parents and schools."
- After proofreading: "There are a lot of studies that show social media affects teenagers' mental health. This is a big problem for parents and schools." The proofreader fixes the spelling of "a lot," the subject-verb agreement, "effects" versus "affects," the missing apostrophe and the comma splice.
- After line editing: "Many studies link heavy social media use to poorer mental health among teenagers, a concern for parents and schools alike." The sentence is shorter, more precise and more formal.
- Developmental comment: "Which studies? Cite two or three here, and explain early in the paragraph why this matters to your thesis."
Proofreading makes the sentence correct. Editing makes it clear and persuasive. A developmental comment makes sure it does its job in the larger argument.
Why Proofreading and Editing Matter for Your Grade
Instructors grade ideas, but they read them through your sentences. Frequent errors distract from your argument and suggest the paper was rushed, even when the research behind it is strong. Many rubrics award points specifically for mechanics, organization and correct citation format, which are exactly the areas a careful edit improves. The stakes are higher still for admission essays, scholarship applications and dissertations, where a single typo in the first paragraph can undermine an otherwise strong impression.
What Our Proofreading and Editing Services Cover
Depending on the level of service you ask for, an editor can work on:
- Grammar, spelling and punctuation: subject-verb agreement, verb tense, comma use, apostrophes, commonly confused words and typos.
- Sentence structure and clarity: run-on sentences, fragments, excessive passive voice, wordiness and vague phrasing.
- Flow and organization: transitions between paragraphs and sections, paragraph order, and whether the introduction, body and conclusion work together.
- Tone and consistency: formal academic tone, consistent American English spelling, terminology and capitalization.
- Formatting: title page, headings, margins, spacing, tables and figures according to your style guide or instructor's template.
- Citations and references: in-text citations and reference lists in APA, MLA, Chicago or Harvard style, checked against each other. Our APA style guide covers the rules editors check most often.
- Subject terminology: correct use of discipline-specific language in fields such as nursing, business, psychology and the sciences.
What Editing Does Not Include
Being clear about the limits of editing helps you choose the right service:
- Writing new content. Editors refine what you've written. They don't add new sections, arguments or ideas.
- Research or fact-checking. Proofreading focuses on language. Checking facts, data or sources is a separate request you need to state clearly.
- Rewriting an incomplete draft. If a paper is missing major parts or doesn't hold together, it needs substantial rewriting, not standard editing. In that case, our essay writing help is the better option.
- Plagiarism checking. An editor may flag passages that look like they need a citation, but a full originality check is a separate process.
Documents We Proofread and Edit
Editors on Ace My Homework work on academic and professional documents of every length:
- Essays: argumentative, reflective, analytical and reaction papers, plus term papers. For essay-specific feedback, see our essay editing help.
- Research papers: structure, citations and academic style. Our research paper editing page covers this in more depth.
- Theses and dissertations: long documents where consistency in headings, tables, figures, terminology and references matters most. Learn more on our dissertation editing page.
- Lab reports and case studies that need clear, precise technical writing.
- Application materials: college and graduate school admission essays, personal statements and scholarship essays.
- Capstone projects, coursework and discussion posts.
- Career and business documents: resumes, cover letters, business reports, proposals and grant applications.
- Presentations and speaker notes.
Upload the file in the format you're working in, such as Word, Google Docs, PDF or PowerPoint, and say how you'd like the edits returned.
How to Order Proofreading and Editing Services
- Upload your document. Post an order with your file, the level of editing you need, your style guide, the word count, your deadline and your budget.
- Compare editors. Editors send bids. Review their profiles, ratings and reviews, and chat with them about your document before you choose.
- Choose and pay. Accept the bid that suits you and pay for it.
- Stay in contact. Track progress and message your editor if you have questions or new instructions.
- Download and review. Download the edited document, review the changes and request revisions if something needs another look.
For help with your order, contact our support team through live chat or at support@acemyhomework.com.
How to Get the Most From Your Editor
The clearer your instructions, the more useful the edit. When you post your order, include:
- The level of editing: proofreading only, copyediting, line editing or a full developmental review.
- How to mark changes: tracked changes with comments, a clean copy or both. Tracked changes let you accept or reject each edit and learn from your own patterns.
- Your style guide and edition, such as APA 7th edition or MLA 9th edition, plus any instructor template.
- What to leave alone: direct quotations, technical terms, required headings or your personal voice in an application essay.
- Your rubric and instructor feedback, so the editor knows what your instructor cares about most.
Proofread Your Own Paper First: A Quick Checklist
Even if you plan to use an editor, a quick self-review catches easy mistakes and lets the editor focus on what matters. Our guide to common essay mistakes lists the errors instructors see most often.
- Take a break before you proofread, so you read what's on the page instead of what you meant to write.
- Read aloud. Awkward sentences and missing words are easier to hear than to see.
- Check one thing at a time: one pass for spelling, one for punctuation, one for citations.
- Read the last sentence first and work backward to catch typos without getting caught up in the argument.
- Match every in-text citation to an entry in your reference list, and vice versa.
- Use spell-check, but don't rely on it. It misses correctly spelled wrong words, such as "their" for "there."
Why Students Choose Ace My Homework for Proofreading and Editing
- You set the budget. You decide what to spend, compare bids and pay only for the one you accept.
- You choose your editor. Profiles, ratings and reviews help you find someone familiar with your subject and style guide.
- You can talk to your editor. Chat before you hire and message them while they work.
- Revisions are available. If something was missed, request a revision after you download the edited file.
- Your work stays private. Your personal information is kept confidential.
Ready for a second pair of eyes on your paper? Upload your document, compare bids and choose the editor you want.