Free PDF Compressor
Need to reduce PDF size or shrink a PDF file before sending? Convertify4u is a free pdf compressor online powered by Next.js Edge speed and Hetzner VPS Ghostscript for heavy jobs — pick Light, Balanced, or Maximum quality.
Upload Files
Compression quality
Light keeps more clarity; Maximum shrinks more aggressively.
Drag and drop any document. Basic compression is completely free — no signup required.
Light trims structure losslessly; Balanced and Maximum aggressively shrink image-heavy pages via Ghostscript on our VPS.
See byte savings instantly. Files auto-delete after download for privacy.
When a report exceeds your mail client limit, compress PDF online and send without bouncing.
Reduce PDF size for cloud backup while keeping documents readable.
Portals and LMS systems often cap uploads — our pdf compressor online gets you under the line.
Compress one file at a time on the free tier; upgrade for higher size limits on large documents.
Camera scans and exported slides balloon in size. Our Maximum preset targets embedded images.
Many sites queue files for minutes. Edge routing keeps the UI lightning-fast.
We auto-delete uploads — the best pdf compressor online should not hoard your documents.
Hit strict portal limits — compress PDF under 100KB, 200KB, 300KB, 500KB, or 1MB with our Maximum preset.
Shrink scanned PDFs and text documents while keeping readable DPI using Light and Balanced Ghostscript presets.
Reduce PDF for email attachments, WhatsApp document limits, and upload forms in seconds.
Use our mobile PDF compressor in Safari or Chrome — no app download, fully responsive UI.
Native compression tier costs nothing and requires no account.
Large PDFs route to European VPS workers for reliable Ghostscript compression.
Light, Balanced, and Maximum give predictable control over size vs clarity.