Free tool
Shrink PDFs for faster email and uploads while keeping pages readable. Processing runs in your browser.
Use the tool
Upload PDF to compress
Drop your files here
Results depend on the PDF — image-heavy files usually shrink the most.
Workflow
Three quick steps from input to a result you can use in your stack.
Step 1
Upload a PDF (up to 30 MB)
Step 2
Pick a compression mode and run compression in your browser
Step 3
Download the lighter PDF file
Why teams use it
Overview
PDF compression reduces file size by optimizing visual content and rebuilding the document more efficiently. In browser-based workflows, this often means rendering pages and exporting with tuned quality settings. The goal is practical size reduction while preserving readability, not perfect lossless optimization for every PDF structure.
Many systems enforce file limits for uploads and email attachments. Large PDFs also slow sharing, syncing, and downloading. Compression helps teams send documents faster, reduce storage pressure, and improve portability for clients and partners. It is especially useful for image-heavy PDFs generated from scans, screenshots, and exported slides.
Image resolution and embedded graphics are usually the main factors. Scanned pages at high DPI, repeated images, and large visual assets can inflate size quickly. Text-first documents compress less dramatically. Compression mode selection matters too: stronger compression yields smaller files but may reduce image fidelity.
Answers
Yes. This tool is free to use and runs in-browser.
Not always. Browser-based compression is practical and quality-aware, but not guaranteed fully lossless.
Use Recommended for most cases, Smaller file for strict limits, and Better quality for visual documents.
Text-dominant PDFs often have less compression potential than image-heavy files.
The workflow is designed for session-based processing; downloaded output is saved locally on your device.
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