Side by side
Clym Accessibility Scanner vs PAC (PDF Accessibility Checker)
Both stand on accessibility testing software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan Web
Clym Accessibility Scanner provides free automated checks and report tools for website accessibility work. Use its findings as a starting point, then review areas the automated scan cannot judge.
Visit Clym Accessibility Scanner Free plan Windows
PAC provides a free Windows tool for PDF accessibility checks, including automated scans, manual review, and remediation guidance. It does not offer mobile testing, a browser extension, or CI/CD integration.
Visit PAC (PDF Accessibility Checker)The facts
| Clym Accessibility Scanner | PAC (PDF Accessibility Checker) | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Web | Windows |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 2 | 1 |
| Maker | Clym Accessibility Scanner | PAC (PDF Accessibility Checker) |
| Website | clym.io | pac.pdf-accessibility.org |
| On accessibility testing software | #81 of 169 | #77 of 169 |
Clym Accessibility Scanner: what it does well
- Checks WCAG 2.2, Section 508 and EN 301 549
- Severity groups findings by critical, major and minor
- Code references and remediation guidance included
- Scans multiple URLs or entire domains
- Free PDF downloads and online report sharing
What to know first
- Automated checks do not replace human assessment
- Visual readability requires additional review
- Logical flow requires additional review
PAC (PDF Accessibility Checker): what it does well
- Free Windows desktop application.
- Checks PDF/UA and WCAG criteria.
- Covers WCAG 2.2.
- Combines automated scans and manual review tools.
- Includes remediation guidance.
What to know first
- Available for Windows only.
- Does not provide mobile testing.
- No browser extension or CI/CD integration.
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