PDF Compressor
Compress PDF document stream size securely inside your browser.
📖 How to Use PDF Compressor
Follow these simple steps to achieve fast and accurate results.
Upload PDF
Select or drag your PDF document (supports files up to 50MB).
Click Compress
Click Compress PDF to optimize internal object streams and eliminate redundant metadata.
Review Reduction
Inspect the original vs optimized file size and compression percentage.
Download File
Download your compact PDF file ready for email attachment or portal submission.
💬 Frequently Asked Questions
Got questions about PDF Compressor? Here are the most common answers.
Is my confidential PDF uploaded to any third party?▼
No. The optimization executes 100% inside your browser session using WebAssembly and pdf-lib. Confidential agreements and bank statements stay on your device.
Why didn't my PDF shrink significantly?▼
If a PDF already contains heavily compressed scanned images or minimal text streams, further lossless stream compression yields modest reductions.
Does this tool support password-protected PDFs?▼
Encrypted PDFs cannot be modified without credentials. Please remove the password before compressing.
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