Compress PDF Reduce PDF File Size Online to 100KB, 200KB, 500KB or 1MB
Reduce file size while optimizing for maximal PDF quality.
Compress PDF Files Online for Free
Reduce file size while optimizing for maximal PDF quality.
Click to upload or drag & drop
PDF files up to 50MB
Target Specific File Sizes for Any Portal
Different government and employment portals enforce strict upload limits. KeepPDF helps you hit the exact size requirements effortlessly.
Government Forms & ID Photos
For university admissions, state exam forms, and identity verification portals requiring tiny PDFs.
Visa & Passport Applications
Meets strict requirements for US DS-160, UKVI visa applications, and Schengen visa appointment uploads.
Job Resumes & Portfolios
Ideal for Workday, Taleo, LinkedIn, and corporate HR portals that reject files larger than 1MB.
Official Certificates & Invoices
Compress heavy scanned multipage contracts, utility bills, and tax forms for instant upload.
Email Attachments (Gmail/Outlook)
Never get blocked by Gmail's 25MB or Outlook's 20MB attachment size limit again.
Universal Compatibility with Official Portals
Designed to meet the upload specifications of worldwide administrative systems:
USCIS & US Visa (CEAC)
Complies with strict file size and dimension limits for immigration and consular filings.
UK Visas & Immigration (UKVI)
Easily compress evidence documents and bank statements under required thresholds.
Corporate Job Portals (Workday, Greenhouse)
Avoid rejection by automated applicant tracking systems due to oversized resume PDFs.
Academic Portals (Common App, UCAS)
Shrink transcripts, recommendation letters, and essays without blurring text.
How to compress a PDF
Reduce file size significantly while retaining the highest possible quality.
Choose the large PDF document you want to shrink from your local drive.
Wait a few seconds while our engine analyzes and applies advanced compression.
Download your lighter, email-ready PDF file without losing visual quality.
Why Compress PDFs?
Email Attachments
Share large PDF files without hitting email attachment size limits (usually 25MB).
Save Space
Reduce file sizes to save space on your cloud storage or local device.
Faster Uploads
Save time when uploading documents to websites or government portals.
Frequently Asked Questions About PDF Compression
How can I compress a PDF to 200 KB or 100 KB?
Simply upload your PDF above and choose our 'Strong' or 'Extreme' compression preset. KeepPDF uses a dual-engine architecture that smartly downsamples high-resolution embedded images while keeping text and fonts 100% sharp and readable.
Are my confidential files uploaded to any servers?
No! Unlike Smallpdf, iLovePDF, or Adobe Acrobat online, KeepPDF performs all compression operations directly inside your browser using client-side WebAssembly. Your files never leave your device, ensuring total privacy.
Will compression ruin the text quality or legibility?
Not at all. In Basic mode, vector fonts and digital text are completely preserved with zero quality loss. Only redundant metadata and uncompressed raster objects are optimized.
Is there any daily limit or watermark?
Zero limits and zero watermarks. You can compress as many PDF documents as you need completely free of charge.