← Back to All Compressors
📄

Compress PDF Online

Compress PDF files online with free daily credits, no signup, and no watermarks. Choose Light, Balanced, or Maximum compression for email, uploads, and cloud storage.

Compress PDFs NowSupported Features
✓Text Preserved
✓Links Intact
✓10 free daily credits
✓No watermarks

Daily Credits Remaining: /10 Credits

Compression costs 1 credit per file. Register for free to get 600 bonus credits plus 10/day.

Per file100 MB
Get 600 Credits Monthly
Daily usage: 0/10 credits0%

Drop files here to compress

or click the button below to select files

Max file size: 100MB (Guest) | 1GB (Free) | Up to 10GB (Premium)
VideoImagePDFAudio

Supported PDF Features

We preserve all essential PDF features during compression

📝

Text Preservation

Maintains searchable text

🖼️

Image Optimization

Reduces image sizes

🔗

Link Retention

Keeps hyperlinks active

📑

Bookmark Support

Preserves document structure

📋

Form Fields

Maintains interactive elements

🔒

Password Protection

Keeps security intact

How to Compress PDFs Online

Reduce PDF sizes in four simple steps

📤

Upload PDFs

Drag and drop or click to select PDF files. Upload multiple files at once for batch compression.

⚙️

Choose Settings

Select compression level and quality based on your needs.

🚀

Compress

Click compress and watch your PDFs shrink. We optimize each document automatically.

✅

Download

Download the smaller PDF and compare the result before sharing it.

Why Use Our PDF Compressor?

A practical way to reduce PDF file sizes online

🎯

Smart Detection

Routes supported PDFs through a matching compression path

⚡

Browser-based

Compress PDFs from phone, tablet, or desktop

🔐

Encrypted transfer

Uploads and downloads use HTTPS/TLS while PDFs are processed

🎨

Quality controls

Choose Light, Balanced, or Maximum compression for each PDF

📱

Works Everywhere

Compress PDFs on any device - desktop, tablet, or mobile

∞

Batch Processing

Compress multiple PDFs simultaneously for faster workflow

Online PDF compression for email and uploads

FreeFast PDF Compressor helps you reduce PDF file sizes for scanned documents, presentations, reports, forms, and email attachments. Pick a compression level, review the output, and download the smaller PDF without adding a watermark.

Scanned Document Optimization

Scanned PDFs with embedded images usually have the most room for reduction. Choose a lower or higher compression level depending on how much visual clarity the document needs.

Optimization Performance Comparison

Depending on the structure and contents of your PDF files, different compression paths can produce different results:

Document TypeTypical ReductionTypical HandlingBest Use
Scanned Text & Documents50% - 75%Image compression and resolution tuningScans, receipts, and paperwork
Vector Graphics & Reports30% - 55%Metadata and duplicate object cleanupReports, invoices, and forms
Slide Decks & Presentations60% - 80%Embedded image optimizationPresentation exports and shared slide PDFs
Digital Invoices & Receipts10% - 25%Light metadata cleanupSmall business documents and email attachments

Text-Based PDF Compression

Text-based PDFs are compressed by optimizing fonts, removing redundant metadata, and applying efficient compression settings. Text formatting, hyperlinks, and interactive elements may remain available when the source PDF structure supports it.

Multi-Page Document Handling

Large multi-page PDFs can take longer to process. The best compression result depends on page count, embedded images, fonts, and the compression level you select.

Password Protected PDFs

Password-protected PDFs can be compressed by entering the password during upload. The compressed PDF maintains the same security settings as the original document, ensuring your confidential documents remain protected.

10
Free daily credits
600
Free account credits
100MB
Guest PDF limit
3
Compression levels

Smart PDF Compression vs. Crude Rasterization

Some online tools make PDFs smaller by flattening pages into images, which can remove selectable text and links. FreeFast focuses on practical compression settings that reduce file weight while keeping useful document features when the source PDF allows it.

✨

FreeFast Sub-Pixel Engine

High-Fidelity Optimization

  • ✓
    Text-aware handling: Text-based PDFs can keep selectable text when the source structure supports it.
  • ✓
    Metadata cleanup: Removes avoidable overhead where possible without forcing every page into a flat image.
  • ✓
    Hyperlinks & Annotations Safe: Retains active links, bookmarks, forms, and outline hierarchies intact for user access.
  • ✓
    Privacy-friendly handling: Uploads use HTTPS/TLS, and temporary files are cleared after the processing and deletion window.
⚠️

Standard PDF Downscalers

Lethargic Crude Re-processing

  • ✗
    Blurs Document Outlines: Forcefully flattens layouts into heavy bitmap images, stripping away copyable text and blocking search engines from indexing the contents.
  • ✗
    Loses Navigation & Links: Completely deletes embedded hyperlink metadata, custom bookmarks, and signature fields.
  • ✗
    Paid Key Wall: Forces artificial document length limits, locking batch downloads behind pricing plans or heavy sign-up sheets.
  • ✗
    Vague Data Retention Policies: Keeps user files on staging servers for weeks, exposing private business documentation to potential scrapers.
Drive Quality Authority

Want to Embed This Free Compressor Widget?

Support web speed optimization! Copy the responsive HTML badge code to embed a fully-styled FreeFast optimization badge directly onto your website, blog, or CMS portal.

  • ✓Contextual high-class authority backlinking
  • ✓Sleek, responsive dark-mode micro badge style
  • ✓100% compliant with standard HTML5 embedding
Live Badge Preview
⚡

Optimized By

FreeFast PDF Compressor

HTML Embed Code
HTML

Other Compression Tools

Explore our complete suite of file compression tools

🖼️

Image Compressor

JPEG, PNG, WebP, GIF

↓ Up to 60% smaller
🎬

Video Compressor

MP4, MOV, AVI, MKV

↓ Up to 70% smaller
🎵

Audio Compressor

MP3, WAV, AAC

↓ Up to 50% smaller

PDF Compressor FAQ

Common questions about PDF compression

Text-based PDFs can keep searchable text, links, bookmarks, annotations, and form fields. Image-heavy PDFs may be optimized more aggressively depending on the compression level you choose.
Compression balances file size and document clarity. Choose Light for cleaner output, Balanced for everyday sharing, or Maximum when a smaller PDF matters most.
Guests can compress PDFs up to 100MB with 10 free daily credits. Registered free users get 600 bonus credits plus 10/day and a 1GB per-file limit. Paid plans increase both file-size limits and monthly credits.
Typical compression ratios range from 20-50% depending on the PDF content. Documents with many images compress better than text-only documents. Scanned PDFs often see significant size reductions.
Yes, you can compress password-protected PDFs by entering the password during upload. The compressed PDF will maintain the same password protection as the original document.
Uploads and downloads use HTTPS/TLS. PDFs are handled for the compression job you request, and temporary files are cleared after the processing and deletion window.
Upload your PDF to our compressor, select "Maximum" compression level, and download the result. Most email providers limit attachments to 25MB. Our compressor can reduce PDFs by 20–50%, making them small enough for email. For large PDFs, try splitting them first.
While our compressor optimizes for the best quality-to-size ratio automatically, you can try different compression levels (Light, Balanced, Maximum) to get closer to your target size. For precise size targets, try Maximum compression first, then re-compress if needed.

Start Compressing PDFs Now

Start with 10 free daily credits. Choose Light, Balanced, or Maximum compression.

Start Compressing PDFs