PDF Compressor
Reduce PDF file size without leaving your browser. Four compression modes, batch processing, instant results. No uploads, completely private.
Drag & drop PDF files to compress
Only PDF files accepted — upload one or many, batch compression supported
Multi-file batch uploadNo PDFs yet. Drag & drop some files to start compressing.
Smart PDF Compression
Reduce PDF file sizes without leaving your browser. Choose your compression level and get smaller files instantly.
Instant Compression
Browser-based processing compresses PDFs in seconds. No server upload delays, no waiting in queues.
100% Private & Secure
Your PDFs never leave your device. Zero server uploads, zero cloud storage, zero third-party access.
Compression Report
See exactly how much space you saved. Original vs. compressed size, percentage reduction for every file.
Four Compression Modes
Low, Recommended, High, and Maximum. Choose the right balance of quality preservation vs. file size reduction.
Batch Processing
Upload and compress multiple PDFs simultaneously. Download all results as a single ZIP archive with one click.
Works Offline
Compress PDFs anywhere — on a plane, in a cabin, or without internet. Once loaded, no connection needed.
Smart Optimization
Metadata stripping, object stream compression, and intelligent PDF restructuring to minimize file size.
Mobile Friendly
Upload PDFs directly from your phone's file manager. Full-featured compression on any device, any screen size.
How PDF Compression Works
Five simple steps from upload to download. No software installation needed.
Upload PDFs
Drag & drop or browse to select PDF files. Upload one document or batch multiple files at once. Everything stays local on your device.
Choose Mode
Pick between Low (best quality), Recommended (balanced), High (aggressive), or Maximum compression. Each level optimizes differently.
Compress
Hit the Compress button. The pdf-lib engine strips metadata, optimizes object streams, and restructures your PDF entirely in the browser.
Review Results
Check the compression report showing original vs. final sizes, percentage saved, and page counts for every processed file.
Download Files
Download each compressed PDF individually or grab the entire batch as a ZIP archive. Ready to use, share, or upload.
Why Compress PDF Files?
Smaller PDFs make everything easier — from emailing contracts to uploading reports. Here is how compression helps.
Free Up Storage
Compressed PDFs take up significantly less space on your device, cloud drives, and email attachments. Reclaim gigabytes over time.
Send via Email
Most email providers cap attachments at 25MB. Compress large PDFs to fit within limits so your documents always get delivered.
Faster Uploads & Downloads
Smaller files upload to cloud storage, CMS platforms, and file sharing services faster. Less bandwidth, less waiting.
Improve Workflow Speed
Lightweight PDFs open quicker in readers, load faster in browsers, and process more efficiently in document management systems.
Frequently Asked Questions
Ready to Shrink Your PDFs?
Join thousands of professionals who compress PDFs daily. Free, fast, and completely private — no account needed.
Compress PDFs NowNo sign-up required. All processing happens locally in your browser.
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