🔤Font Size Checker
Check if your font sizes meet accessibility guidelines. Test readability across different devices.
🆓 Free🔒 Secure⚡ Instant📱 Mobile-friendly🚫 No signup
Free font size accessibility checker. Test readability against guidelines. Device previews. No signup.
The quick brown fox jumps over the lazy dog.
WCAG "Large Text": No (standard contrast required)
Minimum readable (12px): Pass
Recommended body (16px+): Pass
Visual angle: 24.3 arc-minutes at 60cm
How to Use Font Size Checker — Step by Step
- 1Upload your file using the drag-and-drop zone above, or click to browse your device
- 2Configure any options shown below the upload area
- 3Click the process button and wait a few seconds for the result
- 4Download the processed file — ready to use immediately
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Frequently Asked Questions
Is this tool completely free?
Yes. All ToolNest tools are 100% free with no signup required, no account, and no watermarks added to output files.
Are my uploaded files secure and private?
All uploads use HTTPS encryption during transfer. Files are processed on secure isolated servers and automatically deleted within 2 hours of upload.
Does this tool work on mobile phones?
Yes. ToolNest works on any modern browser on iPhone, Android, tablet, or desktop — no app download or plugin needed.
Do I need to create an account?
No. Just open the tool, upload your file, and download the result. No email, no signup, no password.