NewTools
Free Tool

Compress PDF Online

Reduce PDF file size directly in your browser with a fast, simple PDF compressor built for everyday documents.

Use NewTools to compress PDF files online when you need a smaller document for email, uploads, or everyday sharing. The PDF compressor keeps the workflow direct: upload your file, reduce PDF size, and download the optimized result.

No installation
Fast processing
Browser friendly
Privacy-aware
Upload PDF to Compress
Select or drag and drop a PDF file to reduce its size

Drag and drop your PDF here, or browse files

PDF

Features

Reduce PDF file size while keeping documents practical to share
Text stays sharp and graphics remain clear after compression
Works with scanned PDFs, text documents, and image-heavy files
Files are transferred over an encrypted HTTPS connection
Download your compressed PDF instantly after processing
Free to use with no signup required
Works on any device: Windows, Mac, Linux, iPhone, and Android

How It Works

1

Upload your PDF

Select or drag in the PDF you want to compress. Use a document you are allowed to process and share.

  • Only PDF files are accepted
  • You can upload one PDF file at a time
2

Start compression

Click Compress PDF and NewTools sends the file for processing.

  • The tool is designed to reduce PDF size while keeping the document practical for everyday use
3

Wait for processing

The progress indicator shows the compression status while the PDF file size is reduced.

  • Processing time depends on file size and document complexity
4

Download the compressed PDF

Save the compressed file and check that the document still looks right before sharing it.

  • The download starts after compression finishes
  • Keep the original file if you need an uncompressed copy

Common Use Cases

Email Attachments

Compress PDFs to meet email attachment size limits for Gmail, Outlook, and other providers. Send contracts, invoices, and reports without worrying about bounce-backs.

Website Uploads

Reduce PDF file sizes before uploading to websites, portals, or CMS platforms that have file size restrictions. Perfect for job applications, submission forms, and document sharing.

Cloud Storage Optimization

Save space in your cloud storage accounts like Google Drive, Dropbox, or OneDrive by compressing PDFs. Keep more documents without upgrading your storage plan.

Tips & Best Practices

Processes one PDF at a time

This tool processes one PDF at a time, giving each file focused, dedicated compression for the best possible size reduction.

Download happens automatically

Once compression completes, your browser automatically downloads the compressed file no extra clicks, no waiting for an email link.

Best for image-heavy PDFs

PDFs with photos and graphics see the biggest size reduction. Text-only documents compress less but still benefit from optimization.

PDF Compressor

When to use a PDF compressor

A PDF compressor is useful when a document is too large for email, forms, portals, or cloud storage. Compress PDF files before sending them so they are easier to upload, download, and share.

Tips to reduce PDF size

If your compressed PDF is still large, remove unnecessary pages, reduce oversized images before creating the PDF, or split the document into smaller files. These steps can help reduce PDF size while keeping the document usable.

Frequently Asked Questions

How do I compress a PDF online?

Upload your PDF, click Compress PDF, and download the smaller file when processing finishes. NewTools keeps the workflow simple so you can compress PDF files without extra software.

Is this PDF compressor free?

Yes. The PDF compressor is free to use for everyday PDF size reduction, with no account required to start.

Can I reduce PDF size without installing software?

Yes. NewTools runs in your browser, so you can reduce PDF size online without installing a desktop app.

Will compressing a PDF affect quality?

Compression can reduce file size by optimizing document data and images. The goal is to keep text readable and the file practical for sharing, but very image-heavy PDFs may show some visual changes.

Can I compress PDF files on mobile?

Yes. You can open the PDF compressor on a phone or tablet browser, upload a PDF, and download the compressed file.

What is the best way to reduce PDF file size?

Start by compressing the PDF, then remove unneeded pages or large images if the file is still too large. For multi-step workflows, you can also split, merge, or convert PDFs with related NewTools tools.