Compress PDF Online for Free – Reduce PDF Size

Compress PDF files online for free. Upload your document, reduce its file size, and download a smaller PDF that is easier to share, upload, or store.

How to compress a PDF online

Compressing a PDF with PDFLike is quick and simple. You do not need to install software or create an account. Upload your PDF, start compression, and download a smaller file when it is ready.

Four steps. Same flow on desktop, tablet, or mobile.

Upload your PDF file. Choose a PDF from your device or drag and drop it into the upload area.
Click Compress PDF. PDFLike will process your document and reduce its file size.
Wait for compression to finish. The tool will prepare a smaller PDF file for download.
Download the result. Save the compressed PDF to your device and use it wherever you need.

Free online PDF compressor

PDFLike helps you reduce PDF file size without installing desktop software. A smaller PDF is easier to send by email, upload to websites, store in cloud services, and share on mobile devices.

Free to use: Compress PDF files online without paid software.
No registration required: Upload your file and reduce its size right away.
Smaller PDF files: Make large documents easier to email, upload, and share.
Practical quality: Reduce file size while keeping the PDF useful for everyday viewing.
Works in your browser: Use the tool on desktop, tablet, or mobile without installation.
Simple workflow: Upload, compress, and download your PDF in a few clicks.

When to compress PDF files

A PDF compressor is useful when your file is too large to send, upload, or store comfortably. Instead of recreating the document, you can reduce its size online and keep a more manageable version.

→Send PDFs by email: Reduce large attachments so they are easier to send.
→Upload documents online: Make PDFs smaller for forms, portals, applications, or websites with file size limits.
→Save storage space: Keep lighter versions of reports, scans, forms, manuals, or archives.
→Share files faster: Make PDFs easier to send through messengers, cloud links, or mobile devices.
→Compress scanned documents: Reduce the size of image-heavy PDFs created from scans or photos.
→Prepare documents for work or study: Make presentations, notes, reports, and handouts easier to upload or share.

Secure and private PDF compression

Your files are processed only to complete the PDF compression task. You do not need to create an account, share personal details, or install additional software.

Uploaded files are automatically deleted from our servers after 30 minutes. Make sure to download your compressed PDF before the files are removed.

Frequently asked questions

Quick answers — first question is open. Tap any to expand.

How do I compress a PDF online?

Upload your PDF file, click the Compress PDF button, and download the smaller PDF file when the process is finished.

Is this PDF compressor free?

Yes. You can use PDFLike to compress PDF files online for free without installing software or creating an account.

Will compression reduce PDF quality?

PDFLike reduces file size while trying to keep the document practical for everyday use. The final quality may depend on the original file, images, and compression settings.

Can I compress scanned PDF files?

Yes. Scanned PDFs can often be compressed, especially when they contain large images or high-resolution pages.

Why should I compress a PDF?

Compressing a PDF makes it easier to send by email, upload to websites, store online, and share across devices.

Are my uploaded PDF files secure?

Uploaded files are used only to process your selected task and are automatically deleted from our servers after 30 minutes.

Can I compress PDF files on mobile?

Yes. The Compress PDF tool works directly in your browser, so you can use it on desktop, tablet, or mobile devices.

What if I need to combine files before compressing?

Use the Merge PDF tool first, then compress the final combined document.