Compress PDF File Size
Reduce PDF file size using selectable optimization presets with exact before/after size comparison.
Tool #03 · /compress-pdf
Transferred securely over encrypted HTTPS, processed in an isolated ephemeral environment, and permanently removed immediately after completion.
Mode: Secure Cloud Processing
1. Select Document Input
Upload your own file(s) or load a real sample document to test Compress PDF immediately.
How to Use Compress PDF
- 01.Upload the PDF file you wish to compress.
- 02.Select your target compression preset (Screen 72 DPI, eBook 150 DPI, or Printer 300 DPI).
- 03.Run compression and inspect the exact byte reduction before downloading.
Document Processing & Privacy Notes
Processing Mode:Secure Cloud Processing
Specifications & Quality:
Provides four industry-standard profiles: Screen (72 DPI), eBook (150 DPI), Printer (300 DPI), and Prepress. Text-only PDFs that are already minimal may show modest savings.
Document Privacy:
Transferred securely over encrypted HTTPS, processed in an isolated ephemeral environment, and permanently removed immediately after completion.
Frequently Asked Questions — Compress PDF
How does PDFNestly compress PDFs?
Our optimization engine applies standard resolution presets to downsample high-resolution embedded images, compress streams with Flate/DCT, and subset unused objects.