All RatPDF Tools
One platform for PDF workflows, clinical scores, developer debugging, and business documents.
All categories · Free tier available · Trust center
Tools in this category
Edit PDF
Edit text and images in PDF.
Compress PDF
Reduce PDF file size.
Merge PDF
Combine PDFs in order.
Split PDF
Free online tool — no install.
Unlock PDF
Free online tool — no install.
Flatten PDF
Free online tool — no install.
OCR PDF
Free online tool — no install.
PDF to Images
Free online tool — no install.
Extract Images
Free online tool — no install.
Page Numbers
Free online tool — no install.
PDF Metadata
Free online tool — no install.
PDF Redaction
Free online tool — no install.
Add Watermark
Free online tool — no install.
Protect PDF
Free online tool — no install.
Sign PDF
Free online tool — no install.
Rotate / Remove Pages
Free online tool — no install.
Image to PDF
Free online tool — no install.
Word to PDF
Free online tool — no install.
PDF to Word
Free online tool — no install.
PDF to Excel
Free online tool — no install.
Excel to PDF
Free online tool — no install.
PDF to PowerPoint
Free online tool — no install.
PowerPoint to PDF
Free online tool — no install.
HTML to PDF
Free online tool — no install.
Common use cases
- Start with PDF compress or merge for document workflows
- Use medical calculators for clinical education
- Format JSON and decode JWT during development
- Generate invoices and payslips for clients and staff
FAQ
How many tools does RatPDF offer?
Over 26+ PDF tools plus medical, developer, calculator, and business utilities.
Is everything free?
Core tools include a free tier (3 uses/day per tool). Pro unlocks higher limits and larger files.
Ready to try it?
3 free uses per day · 200 MB · no signup · files deleted after download
Open free tool Pro — $8.99/mo Trust center