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Compress PDF

Shrink your PDF file size instantly with a free PDF compressor that runs right in your browser.

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Supports PDF files up to 100 MB

Drop PDF here

No server uploads 100% private processing on your device

1. Upload

Upload your PDF or drag and drop the file into the tool.

2. Compress

Choose your preferred compression level to optimize the PDF file size.

3. Download

Download your compressed PDF file instantly and share it anywhere.

Private by design

Your PDF stays
with you

Your PDF document is processed directly on your device, keeping everything private from start to finish. Nothing is uploaded, stored, or shared, so you keep full control over your original file at all times.

Fast compression

Compress PDF in
seconds

Reduce PDF file size almost instantly with a fast PDF compressor and no complicated settings. Simply upload your selected PDF, choose a compression level, and download the smaller file in moments.

Smart optimization

Smaller files,
same quality

Compress PDFs efficiently while preserving the text, images, and layout of your document. You get a smaller file that keeps the same file quality as the original PDF, so it stays easy to share.

Universal access

No setup required

Open this PDF tool in your browser and compress PDF online right away. No downloads, installations, or technical setup required, whether you're on desktop, tablet, or mobile.

Privacy first

Keep sensitive files secure

Everything happens locally in your browser, without sending your documents to external servers. No file retention, no cloud storage, and no third-party access at any point.

Local processing Private by default

Compression levels

Choose your compression level

Pick a light reduction to keep the highest quality, or target a specific file size for the smallest possible PDF size. You choose your target after uploading your file, and the tool compresses it to fit.

Compress PDF to 100KB 200KB 500KB 1MB 2MB

Common use cases

Why use our free PDF compression tool?

Reduce large PDF files before emailing reports, proposals, and contracts, so attachments upload faster.
Compress scanned documents and scanned PDF files, which are heavy because each PDF page is stored as an image file.
Prepare documents for online submissions when sites set strict file size or file format limits.
Optimize PDFs for faster downloads and smoother distribution across teams, clients, or collaborators.
Keep archived documents organized by shrinking file sizes while preserving the original file content.

Students

Compress assignments, research papers, and project documents before uploading them to learning platforms or sharing them with classmates. Smaller files upload faster than the original file, without affecting readability.

Teachers & Educators

Reduce the size of lesson plans, worksheets, and educational materials to make distribution faster and more convenient for students across different devices.

Business Professionals

Optimize proposals, reports, contracts, and presentations before sending them to clients or colleagues. A compressed PDF helps streamline communication and reduce storage requirements.

Job Seekers

Compress resumes, portfolios, and supporting documents to meet upload limits on job platforms while keeping your documents professional and easy to review.

Freelancers & Consultants

Share project deliverables, invoices, contracts, and presentations more efficiently. Compressed PDFs upload faster and are easier for clients to receive and archive.