PDF Compressor
Compress PDF files to a target size (20KB, 50KB, 100KB, 200KB, 500KB, 1MB) while maintaining optimal document fidelity.
Select or Drop PDF to Compress
Support for large PDFs • 100% Private In-Browser Compression
About PDF Compressor
NivoTools PDF Compressor enables students, professionals, and government job applicants to reduce large PDF files to exact target file sizes or high compression ratios. Built with client-side canvas rasterization and vector stream optimization, it guarantees private, browser-first compression with no file uploads required for standard modes.
How to Use PDF Compressor
Upload or drag and drop your PDF document into the workspace.
Select a target compression mode or choose a specific target size preset (e.g. 100 KB, 200 KB, 500 KB).
Click "Compress PDF" to process the pages instantaneously.
Review the before/after file size and savings percentage, then download your compressed PDF file.
Supported Formats & Limits
- Supported Inputs: PDF
- Guest Maximum Size: 25 MB
- Logged-in Max Size: 100 MB
- System Compatibility: Windows, macOS, Linux, iOS & Android
Privacy & Security Guarantee
This tool processes your files entirely inside your web browser using client-side JavaScript, WebAssembly, and Canvas APIs. Your document is never uploaded to any external server, guaranteeing total confidentiality.
Frequently Asked Questions
Will compressing my PDF reduce text readability?
Our intelligent compression engine preserves vector fonts and document text sharpness while downsampling heavy photographic elements and clearing unnecessary metadata.
Are my uploaded PDF files safe and confidential?
Yes! The compression is performed directly within your web browser using HTML5 WebAssembly and Web APIs. Your confidential files never leave your computer.
Can I compress a PDF to a specific target file size like 100KB?
Yes, select our preset target size (such as 100 KB or 200 KB) and the algorithm will automatically calibrate compression parameters to reach your goal.