Split PDF
Extract page ranges, odd or even pages, intervals or size-based parts. Files are read locally through the browser File API. They are not sent to PDF Calm.
How to use
Choose a supported file
Extract page ranges, odd or even pages, intervals or size-based parts.
Review pages and settings
Files are read locally through the browser File API. They are not sent to PDF Calm.
Process locally and download the result
A plain-language explanation of browser-local PDF processing and its boundaries.
Use cases
Office and administration
Combine reports, add page numbers, update metadata and prepare documents for email or archiving.
Education and research
Create handouts with N-up printing, extract text for notes and organize scanned reading material.
Scanning and records
Rotate scans, remove blank pages, compress copies and create searchable text when OCR is available.
Limits and privacy
The interface is designed for files up to 500 MB and documents up to 2,000 pages. Device memory can impose a lower practical limit.
No. Local compression may rebuild pages as images. Inspect forms, links, bookmarks and small text before using the result.
Frequently asked questions
Are my files uploaded?
No. Your browser reads the selected file and creates the result in browser memory. PDF Calm does not provide a user-file upload endpoint.
What are the limits?
The interface is designed for files up to 500 MB and documents up to 2,000 pages. Device memory can impose a lower practical limit.
Is compression lossless?
No. Local compression may rebuild pages as images. Inspect forms, links, bookmarks and small text before using the result.