Drop files here

Compress PDF file

PDF Assistance: shrink file size with guided steps while preserving the highest possible PDF quality.

Select PDF files
Choose files from Dropbox
or drop PDF here

With PDF Assistance, easily minimize PDF sizes online using our free compression tool. Designed to guide you step-by-step and streamline how you handle files.

  • Reduce file size with minimal quality loss, supported by a guided PDF Assistance workflow.

  • Quick, simple, and effective PDF compression.

  • Compress PDFs across any browser, device, or platform with step-by-step guidance.

Top Online PDF Compression Tool

PDF Assistance lets you compress large PDF files in seconds. Ideal for emailing, sharing, or archiving, all at no cost.

Flexible PDF Compression

Select from guided compression levels to reduce file size without compromising document clarity. Expect precise, reliable results with step-by-step assistance.

Compress PDF

How Does PDF Compression Work?

To reduce large PDFs, we optimize images and remove redundant data with guided steps. The final file stays high-quality while becoming significantly smaller.

Compress PDF

Easy Sharing Once You’re Done

With PDF Assistance, sharing becomes easier as files shrink. After compression, instantly generate a download link for quick, guided sharing.

Compress PDF
Work Faster With Smaller PDF Files
Start with PDF Assistance right away—no installation needed. Compress your files quickly and with ease.
Compress Across All Devices
PDF Assistance works across devices and browsers—mobile, desktop, or tablet—so you can compress securely wherever you are.
Data Regulation Compliance
All personal data is protected under strict GDPR standards as part of our PDF Assistance workflow.
PDF Assistance: Guided, step-by-step options you can adjust if you're not satisfied.
If the result doesn't meet your expectations, return to the previous screen with one click and refine the compression settings. Throughout this PDF workflow, you'll receive contextual guidance to help you complete each step smoothly.
High - Tech Encryption
In every PDF assistance step, your documents stay secure with advanced TLS encryption to protect your data.
Compress Your PDF in the Cloud
The PDF Assistance cloud workflow runs in the cloud. Upload your PDF, select a compression level, and follow the guided prompts; the rest is handled for you. It's free to use as long as you're online.

Frequently Asked Questions

Yes. Our PDF compression tool is freely accessible online as part of your PDF workflow. You can reduce file size without registering, adding watermarks, or installing software. If limits apply, we’ll guide you through the steps to stay within them.

Our guided approach balances size reduction with readable, accurate results. We preserve text and layout, and optimize images to help you achieve a smaller file without sacrificing essential quality.

Yes. Your uploads are protected with HTTPS throughout the guided process. For your privacy and security, any PDFs you submit are automatically removed from our servers after a short retention period.

Compress PDF

PDF Assistance: How to Compress a PDF Online — Step by Step

Follow these guided steps to compress your PDF at no cost within the PDF Assistance flow:

  1. Step 1: Drag and drop your PDF into the tool to begin your PDF Assistance session. We’ll guide you through each step.
  2. Step 2: Choose the compression level that fits your needs. If you’re unsure, we’ll suggest a balanced option to preserve quality.
  3. Step 3: Click “Compress PDF” and monitor the progress. We’ll keep you informed as the file is processed.
  4. Step 4: Download the optimized PDF to your device and review the result with confidence.

PDF Assistance: Frequently asked questions about our compression tool.

  • Is this PDF compression tool free to use?

    Yes. You can use our PDF compression tools at no cost.


  • Is your compression tool safe?

    Absolutely. Your documents are encrypted at every step to keep them secure throughout the PDF assistance workflow.

This file requires password

Ignore these files
wrong password

Some file(s) requires password

Damaged/Corrupted File

We can’t process corrupted or damaged files. To verify, open the file in any PDF reader. If it won’t open, the file may be damaged. Restore a clean copy and retry the PDF workflow using the guided steps.

loading page