🗜️ Free Tool

Compress PDF Online –
Reduce File Size Instantly

Shrink your PDF in seconds without losing quality. Perfect for email attachments, uploads, and sharing documents fast.

⬆️ Upload PDF to Compress
Free account required No watermarks added Files deleted in 1hr
🔒 Secure — HTTPS encrypted
Fast — seconds, not minutes
📱 Any device — phone, tablet, desktop
🗑️ Auto-deleted — within 1 hour
Why compress

Why compress your PDF files?

Large PDF files cause real problems — email providers reject attachments over 25 MB, upload forms have strict limits, and oversized files are slow to share. Compressing your PDF solves all of this in seconds.

How it works

How to compress a PDF online

No technical skills needed. Compress your file in three simple steps:

1
Create a free account & upload your PDFSign up free, then drag and drop your file or click to browse. Files up to 10 MB are free.
2
Choose your compression levelSelect how aggressively to compress — balance between smallest file size and best quality.
3
Download your compressed fileYour smaller PDF is ready in seconds. Download it instantly.
Features

Simple, powerful PDF compression

Fast processing

Most files compress in under 10 seconds.

🔒

Secure & private

HTTPS encrypted, auto-deleted after 1 hour.

📱

Any device

Works on phone, tablet, or desktop — no app needed.

🎯

Quality preserved

Text stays sharp. Images optimised intelligently.

🚫

No watermarks

Your compressed file stays clean — no branding added.

💸

Free to start

Compress PDFs up to 10 MB. Create a free account to begin.

Use cases

When to compress a PDF

📧 Email attachmentsReduce file size to fit within email provider limits.
📋 Job applicationsMany job portals cap CV uploads at 2–5 MB.
🏛️ Government formsOnline lodgement portals often enforce strict size limits.
📤 Client sharingFaster downloads for clients who receive your documents.
☁️ Cloud storageFree up space on Google Drive, Dropbox, or OneDrive.
💬 Messaging appsSend PDFs over WhatsApp, Telegram, or Slack without issues.
FAQ

Frequently asked questions

Most PDFs can be reduced by 50–80% without noticeable quality loss. Image-heavy files compress more than text-only documents. The exact reduction depends on the file's content and structure.
Our tool maintains the best possible quality while reducing file size. Text clarity and layout are preserved. Images may have slightly lower resolution at higher compression levels, but are generally not noticeably affected at standard settings.
Yes. All uploads are encrypted via HTTPS and your files are automatically deleted from our servers within 1 hour of processing. We never access, read, or share your file contents.
No installation required. Everything runs directly in your web browser — on any device, any operating system.
In many cases, yes. Text-heavy PDFs can often be reduced to under 1 MB. Heavily image-based PDFs may have a lower bound based on embedded image resolution. Try the maximum compression setting for the smallest possible output.
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Explore more PDF tools

Everything PDF in one place — try our other free and Pro tools.

Ready to compress your PDF?

Reduce your file size in seconds. Create a free account and upload your file.

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