Proofreading & Editing Certification
Tests proofreading and editing — grammar, punctuation and usage, consistency and house style, and the levels of editing from structural and copy-editing to final proofreading, using standard references such as The Chicago Manual of Style. Pass to earn Proofreading & Editing SOA-PRF.
- Intermediate difficulty.Assumes hands-on experience in the role.
- 15 scenario questions
- 15 minutes, timed
- 70% to pass · 90% for distinction
- Free no sign-up needed
- LinkedIn-ready · add it to your profile in one clickSee how ↓
What is the Proofreading & Editing Certification?
The Proofreading & Editing Certification is a free 15-minute skill test from Science of Apps. It tests proofreading and editing — grammar, punctuation and usage, consistency and house style, and the levels of editing from structural and copy-editing to final proofreading, using standard references such as The Chicago Manual of Style. Score 70% or more on its 15 questions to earn a verifiable Proofreading & Editing certificate (SOA-PRF). Every question is based on published standards and research — including The Chicago Manual of Style (University of Chicago Press), Academic writing resources (Purdue OWL), Federal plain language guidelines (plainlanguage.gov) — and each answer is explained with its source.
Built for your job title
Proofreader, Copy-editor, Content editor, Technical writer and Publishing or communications assistant — and anyone who wants quick, verifiable proof of Proofreading and Editing skills for a CV or LinkedIn.
- Proofreader
- Copy-editor
- Content editor
- Technical writer
- Publishing or communications assistant
What the test covers
Three skill areas with 5 questions each, drawn from a bank of 10 per area, so a retake brings questions you haven't seen.
- 01
Grammar, Punctuation and Usage
33%- Grammar and agreement
- Punctuation
- Commonly confused words
- 02
Style and Consistency
33%- House style and style guides
- Consistency checks
- Plain language and tone
- 03
Levels of Editing and Proofreading
33%- Structural and copy-editing
- Proofreading process
- Tools and marks
Based on published standards
The questions are original scenarios, and each one names the public standard, official guide or research it draws on — shown under the question while you answer, and linked in your review. These are the sources behind this test:
- The Chicago Manual of StyleUniversity of Chicago Press14 questions
- Academic writing resourcesPurdue OWL10 questions
- Federal plain language guidelinesplainlanguage.gov2 questions
- APA StyleAmerican Psychological Association1 question
- Writing for user interfacesGOV.UK1 question
- Using English for Academic Purposesuefap.com1 question
- Word help & learningMicrosoft Support1 question
Try a sample question
Which sentence is punctuated correctly?
- The report, which was late, contained several errors.
- The report, which was late contained several errors.
- The report which, was late, contained several errors.
- The report which was late, contained several errors.
Show the answer
A. The report, which was late, contained several errors. — Non-restrictive clauses are set off by a pair of commas. The real test has 15 questions like this.
How the test works
15 minutes, 15 questions
One question per screen, with a progress bar and a countdown. Your progress is saved on this device if you need to pause.
Graded on our server
Answers reach the page only after you submit, so the certificate can only be earned by passing.
Every answer explained
Pass or not, you see every question with the right answer, why, and the source behind it. Pass mark 70%, distinction 90%.
Your certificate
Founder-signed, with a QR code and credential ID. Download PDF or PNG, add to LinkedIn, and it's emailed to you.
What you earn

Pass, then add it to LinkedIn in one click
No typing. The Add to LinkedIn button opens your profile’s Licenses & certifications form already filled in: the certificate name, Science of Apps as the issuer, the issue date, your credential ID and a link recruiters can use to verify it.
- 1Take the 15-minute test
- 2Score 70% or more
- 3Click Add to LinkedIn

Proofreading & Editing
Science of Apps
Show credential ↗Try another skill test
- 10 minSOA-CT
Critical Thinking Test
A 10-minute test of critical thinking for product work: weighing evidence, spotting biased or flawed arguments, and solving problems and making decisions under uncertainty.
Difficulty: BeginnerTake the 10-minute test → - 10 minSOA-ATD
Attention to Detail Test
A 10-minute attention to detail test for design and product work: spot inconsistencies against specs and tokens, and errors in copy, dates, prices and data.
Difficulty: BeginnerTake the 10-minute test → - 10 minSOA-CB
Cognitive Bias Test
A 10-minute test of cognitive biases: how anchoring, loss aversion, defaults, decoys and framing shape users' choices, and how confirmation bias, sunk costs and the planning fallacy distort team decisions.
Difficulty: BeginnerTake the 10-minute test →
See every Communication & leadership certification and test →
Frequently asked questions
What is the Proofreading & Editing Certification?
The Proofreading & Editing Certification is a free 15-minute skill test from Science of Apps. It tests proofreading and editing — grammar, punctuation and usage, consistency and house style, and the levels of editing from structural and copy-editing to final proofreading, using standard references such as The Chicago Manual of Style. Score 70% or more on its 15 questions to earn a verifiable Proofreading & Editing certificate (SOA-PRF). Every question is based on published standards and research — including The Chicago Manual of Style (University of Chicago Press), Academic writing resources (Purdue OWL), Federal plain language guidelines (plainlanguage.gov) — and each answer is explained with its source.
How do I take the Proofreading & Editing Certification for free?
Read the three skill areas on this page, then take the 15-minute test online — no fee, course or sign-up. You see every answer explained when you finish. Score 70% or more and you get a Proofreading & Editing certificate straight away, on screen, as a PDF and by email, with a credential ID anyone can verify.
Are the Proofreading & Editing Certification questions based on real standards?
Yes. The questions are original scenarios written by Science of Apps, and each one is based on a public source you can read: The Chicago Manual of Style (University of Chicago Press); Academic writing resources (Purdue OWL); Federal plain language guidelines (plainlanguage.gov); APA Style (American Psychological Association); Writing for user interfaces (GOV.UK); Using English for Academic Purposes (uefap.com). The source is shown under each question and linked in the answer review. Science of Apps doesn't copy questions from other tests.
What does the Proofreading & Editing Certification cover?
Three skill areas with five questions each, drawn from a bank of 10 per area so a retake brings new questions: Grammar, Punctuation and Usage (Grammar and agreement, Punctuation and Commonly confused words); Style and Consistency (House style and style guides, Consistency checks and Plain language and tone); Levels of Editing and Proofreading (Structural and copy-editing, Proofreading process and Tools and marks). Every question is an original scenario based on a published standard, official documentation or research, named under the question.
Who should take the Proofreading & Editing Certification?
Proofreader, Copy-editor, Content editor, Technical writer and Publishing or communications assistant. It suits anyone who wants a quick, verifiable way to show Proofreading and Editing skills, from students and career switchers to experienced professionals.
Can I take the Proofreading & Editing Certification from any country?
Yes. The test is online, in English and free everywhere — people take it from India, the US, the UK, Europe, Africa, Latin America and Asia-Pacific. Your certificate is dated with your own local date and can be verified from anywhere at scienceofapps.com/certification/verify/.
How long is the Proofreading & Editing Certification?
15 questions — 5 from each of 3 skill areas — with a 15-minute limit. You need 70% (11 of 15) to pass and 90% for distinction.
How hard is the Proofreading & Editing Certification?
We rate it Intermediate: assumes hands-on experience in the role. It has 15 scenario questions — 5 from each of 3 skill areas — and a 15-minute limit. You need 70% (11 of 15) to pass and 90% for distinction.
How much do Science of Apps certifications cost?
Nothing. There is no fee to take a test, to receive the certificate, to have it emailed or to verify it, and no sign-up.
How are the tests graded?
On our server, not in your browser. The answers never reach the page until you submit, so a certificate can only be earned by passing. Each certificate gets a unique credential ID stored by Science of Apps.
What happens if I don't pass?
You see your score for each area and every question with the correct answer and why, with the published source behind it. You can retake after 30 minutes, and the retake draws questions you haven't seen yet.
Do the certificates expire?
No. Every certificate is dated, so it always shows when you passed. Retake a test any time for a newer date or a higher score.
Can I add the certificate to LinkedIn?
Yes. After you pass, Add to LinkedIn opens the Licenses & certifications form with the certificate name, Science of Apps as the issuer, the issue date, your credential ID and the verification link filled in. You can also download it as a PDF or PNG, and it's emailed to you as a PDF.
How can an employer verify my certificate?
Every certificate has a credential ID and a QR code. Scanning it, or entering the ID at scienceofapps.com/certification/verify/, shows the holder's name, the certification, the score and the issue date from our records.
Are these accredited qualifications?
No. They are Science of Apps' own assessments of applied skill. They aren't issued by a university or standards body, and they work best alongside a portfolio that shows the skills in real work.
621 more certifications to collect
Communication, Leadership & Transferable Skills
- Critical Thinking Test10 min · Beginner
- Attention to Detail Test10 min · Beginner
- Cognitive Bias Test10 min · Beginner
- Analytical Reasoning Certification15 min · Intermediate
- Problem-Solving Assessment10 min · Beginner
- Written Business Communication Certification10 min · Beginner
- Professional Email Writing Certification10 min · Beginner
- Business Presentation Skills Certification10 min · Beginner
- Public Speaking Fundamentals Certification10 min · Beginner
- Negotiation Skills Certification15 min · Intermediate
- Emotional Intelligence at Work Certification10 min · Beginner
- Leadership Fundamentals Certification15 min · Intermediate
- Strategic Thinking Certification20 min · Advanced
- Decision-Making and Judgment Certification15 min · Intermediate
- Conflict Resolution Certification10 min · Beginner
- Collaboration and Teamwork Certification10 min · Beginner
- Time Management and Prioritization Certification10 min · Beginner
- Remote Work Readiness10 min · Beginner
- Cross-Cultural Communication Certification15 min · Intermediate
- Research Literacy and Evidence Evaluation Certification15 min · Intermediate
- Information and Media Literacy Certification10 min · Beginner
- AI Information Verification Certification15 min · Intermediate
- Adaptability and Learning Agility Certification10 min · Beginner
- Managerial Coaching and Feedback Certification15 min · Intermediate
- Meeting Facilitation Certification10 min · Beginner
- Academic Writing Certification15 min · Intermediate
- Proofreading & Editing CertificationYou're here
- Grant Writing Certification15 min · Intermediate
- Science Communication Certification10 min · Beginner
- Professional Skills Certification10 min · Beginner
Foundation
AI & Generative AI
- AI UX Design Certification30 min · Advanced
- Prompt Engineering Certification30 min · Intermediate
- AI Product Manager Certification30 min · Advanced
Software Engineering & Web Development
- HTML and CSS Fundamentals Certification10 min · Beginner
- JavaScript Fundamentals Certification10 min · Beginner
- TypeScript Fundamentals Certification15 min · Intermediate
Data Analytics & Business Intelligence
- Product Analytics Certification30 min · Advanced
- Data Literacy Certification10 min · Beginner
- Microsoft Excel Fundamentals Certification10 min · Beginner
Digital Marketing, SEO, AEO & Growth
- Conversion Rate Optimization (CRO) Certification30 min · Advanced
- App Store Optimization (ASO) Certification30 min · Intermediate
- Growth Marketing Certification30 min · Intermediate
UX/UI, Design, Research & Creative
- UX Design Certification30 min · Intermediate
- UI Design Certification30 min · Intermediate
- Product Design Certification30 min · Intermediate
Product, Project Management & Business Analysis
- Product Manager Certification30 min · Intermediate
- Design Leadership Certification30 min · Advanced
- Agile Product Owner Certification30 min · Intermediate
Cybersecurity, IT, Cloud & DevOps
- Cybersecurity Fundamentals Certification10 min · Beginner
- Security Awareness and Phishing Detection Certification10 min · Beginner
- Network Security Fundamentals Certification15 min · Intermediate
Sales, Customer Success & Support
- Sales Fundamentals Certification10 min · Beginner
- Consultative Selling Certification15 min · Intermediate
- B2B Sales Development Representative Certification10 min · Beginner
Human Resources & People Management
- Human Resources Fundamentals Certification10 min · Beginner
- Talent Acquisition and Recruitment Certification10 min · Beginner
- Technical Recruitment Certification15 min · Intermediate
Finance, Accounting, Operations & Entrepreneurship
- Financial Literacy for Professionals Certification10 min · Beginner
- Accounting Fundamentals Certification10 min · Beginner
- Bookkeeping Fundamentals Certification10 min · Beginner
Languages
- English Level Test30 min · Beginner
- American Sign Language (ASL) Foundations Test25 min · Intermediate
- App & Software Localization Test25 min · Intermediate
Healthcare, Education, Legal Operations & Sustainability
- Healthcare Administration Fundamentals Certification10 min · Beginner
- Medical Office Administration Certification10 min · Beginner
- Healthcare Data Privacy Awareness Certification10 min · Beginner
Test Prep, Academics & Aptitude
- SAT Math Practice Test20 min · Advanced
- SAT Reading and Writing Practice Test20 min · Advanced
- ACT Practice Test (English, Math, Reading & Science)20 min · Advanced
Language Exam Prep
- IELTS Academic Practice Test with Band Score20 min · Advanced
- IELTS General Training Practice Test20 min · Advanced
- TOEFL iBT Practice Test20 min · Advanced
Office & Productivity Software
- Microsoft Word Skills Certification15 min · Intermediate
- Microsoft PowerPoint Skills Certification15 min · Intermediate
- Microsoft Outlook Skills Certification10 min · Beginner
Engineering, Architecture, Construction & Safety
- Mechanical Engineering Practice Test (FE-Style)20 min · Advanced
- Electrical Engineering Practice Test (FE-Style)20 min · Advanced
- Civil Engineering Practice Test (FE-Style)20 min · Advanced
Hospitality, Travel & Retail
- Hospitality Management Certification10 min · Beginner
- Food Safety Certification10 min · Beginner
- Hotel Revenue Management Certification15 min · Intermediate
Read before you test
- Career guidesAI video generation and editing skills in 2027: scripts, shot prompting, consistency, voice and captions, editing workflows, disclosure and deepfake riskAI video skills employers want in 2027: scripts, shot prompting, consistency, voice and captions, editing workflows, disclosure, consent and deepfakes.
- Career guidesAI content writing and editing skills employers want in 2027: briefs, drafting, repurposing, fact-checking, voice and search qualityAI content writing and editing skills employers want in 2027: briefs, drafting, repurposing, fact-checking, original voice and search quality rules.
- Career guidesAI image generation and art direction skills in 2027: prompting and composition, style consistency, editing, brand fit, rights and provenanceAI image generation and art direction skills in 2027: prompting, composition, consistent style, editing, brand fit, copyright, likeness and provenance.
- Career guidesHow to get an editor or fact-checker job in 2027: editorial standards, pre-publication checks, corrections, E-E-A-T and quality at scaleHow to get an editor or fact-checker job in 2027: editorial standards, claim checking, sourcing, corrections policy, E-E-A-T, pay in India and a plan.
- Career guidesSanskrit careers in 2027: grammar, vocabulary, reading and translation, Devanagari script and usage, careers in teaching, research, manuscripts and translation, and how to measure your reading levelSanskrit careers in 2027: grammar, vocabulary, reading, translation, Devanagari script, teaching, research, manuscripts and how to measure your level.
- AI & vibe coding8 copy-paste AI skills for writers and communications teams, for ChatGPT, Claude and Gemini8 free copy-paste AI skills for writers and communications teams — executive summary and more — each with an output preview and the exact text to paste.
Get the ideas, not the noise.
Sign up with Google and we’ll send you short UX psychology tips by email — why people tap, stall and leave, and what to do about it. Unsubscribe anytime. Prefer something to keep? Get the free Laws of UX guide as a PDF.
Founder, Science of Apps




