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PerfectIt
London, United Kingdom
What it is
PerfectIt is software for locating consistency mistakes and style issues in professional documents. It checks hyphenation, list punctuation, acronym definitions, spelling, capitalization, numbers in sentences, headings, comments, extra spaces, and placeholder text. Its built-in styles cover UK, US, Canadian, and Australian spelling, as well as guidance from the European Union, United Nations, World Health Organization, Government Publishing Office, Australian Government, and American Legal styles. Users can make custom style guides and manage terminology and brand voice rules. PerfectIt works inside Microsoft Word and PowerPoint; PowerPoint access is limited to Elite, Team, or Enterprise subscriptions. Chicago Manual of Style checking requires a CMOS Online subscription. The Windows edition works without internet or local-network connections and keeps documents on the computer. PerfectIt Cloud sends documents securely for checking and deletes them afterward. The software does not generate or rewrite text, leaving editorial decisions to the user. It is available for iOS, macOS, web, and Windows, and offers a free 14-day trial without requiring credit card information.
For and against
For
- Checks spelling, punctuation, numbers, headings, and consistency.
- Includes styles for multiple regions and organizations.
- Supports custom style guides and terminology management.
- Windows edition keeps documents on the computer.
- Free 14-day trial requires no credit card information.
Against
- No free plan is offered.
- PowerPoint access requires an Elite, Team, or Enterprise subscription.
- Chicago Manual of Style checking requires a CMOS Online subscription.
- Windows use requires Windows 11 and Office 2021 or later, or Microsoft 365.
The verdict
PerfectIt focuses on finding document consistency and style issues while leaving editing decisions to the user. Its platform, security, and subscription requirements differ between Windows and cloud use, so check those requirements before choosing an edition.
Who it suits
PerfectIt may suit proofreaders, editors, medical writers, proposal professionals, technical communicators, consultants, communications professionals, and lawyers who need to check documents against style rules. Teams can use its workflow support and centralized billing.
Plans and prices
Elite
1–3 users · everything in Professional · PowerPoint version
Read 30 Sep 2026 · store.perfectit.com
Enterprise
1+ users · everything in Team · dedicated account manager · Style Sheet Express for 100+ users
Read 30 Sep 2026 · store.perfectit.com
Professional
1–3 users · consistency, acronyms, house styles · Chicago Manual of Style* · built-in styles
Read 30 Sep 2026 · store.perfectit.com
Team
3–100 users · everything in Elite · live expert-led training · procurement support
Read 30 Sep 2026 · store.perfectit.com
On the record
- Checks
- It checks hyphenation, list punctuation, acronym definitions, spelling, capitalization, numbers in sentences, headings, comments, extra spaces, and placeholder text.perfectit.com · read 30 Sep 2026
- Cloud requirements
- PerfectIt Cloud requires a Mac or iPad with Microsoft 365, also works on Windows PCs with those editions, and requires Connected Experiences enabled.support.perfectit.com · read 30 Sep 2026
- Cloud security
- PerfectIt Cloud sends a document securely to the cloud and deletes it after checking; the site says no one else has access during checking.perfectit.com · read 30 Sep 2026
- Integrations
- PerfectIt works inside Microsoft Word and PowerPoint, and Chicago Manual of Style checking requires a CMOS Online subscription.perfectit.com · read 30 Sep 2026
- No AI rewriting
- PerfectIt is not AI, does not generate or rewrite text, and leaves editorial decisions to the user.perfectit.com · read 30 Sep 2026
- PowerPoint availability
- The PowerPoint version is available to users with Elite, Team, or Enterprise subscriptions.perfectit.com · read 30 Sep 2026
- Purpose
- PerfectIt locates difficult-to-find consistency mistakes and style issues in professional documents.perfectit.com · read 30 Sep 2026
- Style guides
- PerfectIt includes styles for UK, US, Canadian, and Australian spelling plus European Union, United Nations, World Health Organization, Government Publishing Office, Australian Government, and American Legal styles.perfectit.com · read 30 Sep 2026
- Target users
- The customer base includes proofreaders, editors, medical writers and editors, proposal professionals, technical communicators, consultants, communications professionals, and lawyers.perfectit.com · read 30 Sep 2026
- Trial
- PerfectIt offers a free 14-day trial with no credit card information required.perfectit.com · read 30 Sep 2026
- Windows requirements
- PerfectIt for Word on Windows requires Windows 11 or above with Office 2021 or above, or any Microsoft 365 version, and does not support Word Online.support.perfectit.com · read 30 Sep 2026
- Windows security
- The Windows edition does not connect to the internet or a local network, and documents do not leave the computer.perfectit.com · read 30 Sep 2026
The review
PerfectIt is a document consistency checker for professionals working in Word and PowerPoint. It suits editors, proofreaders, legal and medical writers, and teams with house-style requirements; its strength is catching repeatable style problems while keeping the final call with the editor.
Overview
PerfectIt checks professional documents for issues that can be difficult to spot consistently, including inconsistent hyphenation, list punctuation, acronym definitions, spelling, capitalization, numbers in sentences, headings, comments, extra spaces, and placeholder text. Its suggestions leave editorial decisions to the user rather than generating or rewriting prose. That makes it a focused quality-control tool, not a general-purpose writing assistant.
Built-in styles cover UK, US, Canadian, and Australian spelling, as well as styles for the European Union, United Nations, World Health Organization, Government Publishing Office, Australian Government, and American Legal use. Custom style guides, terminology management, brand voice rules, and team workflow support make it more relevant to organizations enforcing shared conventions than to occasional writers seeking a free grammar check.
Key features
PerfectIt works inside Microsoft Word and PowerPoint, with the PowerPoint version reserved for Elite, Team, and Enterprise subscriptions. The range of document checks and regional and organizational styles can help editors catch consistency issues across long or formal documents. Its suggest-only approach is a meaningful safeguard for work where a human editor must retain control, though it will not draft or polish text for someone looking for AI rewriting.
Chicago Manual of Style checking requires a separate CMOS Online subscription. That additional requirement matters for writers who need that specific style; the Professional plan includes the checking feature, but not the CMOS subscription itself.
Pricing
PerfectIt offers a free 14-day trial without requiring credit card information, but no free plan. All four subscriptions are billed per month, and their prices are custom pricing.
- Professional: for 1–3 users, with consistency and acronym checks, house styles, Chicago Manual of Style checking, built-in styles, secure offline working, desktop or cloud use, updates, email support, and centralized billing. It is the core choice for individual professionals and small editing practices; PowerPoint is not included.
- Elite: for 1–3 users, includes everything in Professional and adds the PowerPoint version. Choose it when checking presentations is part of the work.
- Team: for 3–100 users, includes everything in Elite plus live expert-led training, procurement support, and purchase-order billing. Those additions suit organizations that need onboarding and purchasing support, rather than solo users.
- Enterprise: for 1 or more users, includes everything in Team plus a dedicated account manager, installation and deployment support, priority support, an installer portal, renewal access, tailored live training, and Style Sheet Express for 100+ users. Its support and deployment package is aimed at larger or more complex rollouts.
The published plan details do not give a renewal price or a trial conversion term, so confirm those terms when arranging a subscription.
Platforms
PerfectIt is available for iOS, macOS, web, and Windows. The Windows edition for Word requires Windows 11 or above with Office 2021 or above, or any Microsoft 365 version; it does not support Word Online. PerfectIt Cloud requires a Mac or iPad with Microsoft 365, also works on Windows PCs with those editions, and requires Connected Experiences to be enabled.
The Windows edition does not connect to the internet or a local network, and documents remain on the computer. Cloud use securely sends a document for checking and deletes it afterward; the service says no one else has access during checking. These are materially different workflows: users who need documents to stay on-device should choose Windows, while cloud use has Microsoft 365 and Connected Experiences requirements.
Who it's for
PerfectIt is a strong fit for proofreaders, editors, medical writers and editors, proposal professionals, technical communicators, consultants, communications professionals, and lawyers. It is especially useful where house styles, terminology, or consistent formatting must be applied across professional documents. Writers who want software to rewrite sentences, or who need a free ongoing plan, should look elsewhere.
Pros and cons
- Pro: Checks a broad set of consistency details, from acronyms and number style to headings and placeholder text, helping professional editors catch issues beyond basic spelling.
- Pro: Built-in regional and institutional styles, plus custom style guides and terminology management, support teams with specific editorial rules.
- Pro: The offline Windows option keeps documents on the computer, while the cloud workflow deletes documents after checking.
- Con: There is no free plan, and subscription prices require a custom quote, making cost comparison difficult before contacting the provider.
- Con: PowerPoint support starts at Elite, so Professional subscribers cannot use that edition.
- Con: Chicago style checking depends on a separate CMOS Online subscription, adding a separate requirement for users who need it.
- Con: Windows users need Windows 11 or later and a qualifying Office version, while cloud use requires Microsoft 365 and Connected Experiences.
Alternatives
Browse Writing Style Checkers for a broader set of options. Consider DeepL Write if a free plan and an AI writing assistant matter more than PerfectIt's consistency-checking focus. Content Checker is a free option that works offline, for readers prioritizing cost and offline use. ProWritingAid offers a free plan with report and usage caps, which may suit writers who want to start without a paid subscription. Trinka is another freemium alternative. DeepL Translator offers a free translation plan with character, file, and glossary limits, making it a better fit when translation is the need. Revise, Sapling, and StyleMCP are also alternatives to compare.
Verdict
Choose PerfectIt if professional documents must follow consistent house or institutional styles and an editor should retain control over every change. Its focused checks, custom style support, and offline Windows option are the case for it. Look elsewhere if you need free ongoing use, AI rewriting, or a simpler setup without edition-specific platform requirements.