Clok PDF: PDF tools that just work

Compress, convert, and merge PDFs online. Free to start, Pro for unlimited use.

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Built for everyday work

The three things you actually do with PDFs — done well.

Reduce PDF size while keeping quality. Perfect for email and uploads.

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Combine multiple PDFs into one document with drag-and-drop ordering.

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Word, Excel, PowerPoint, and other office documents turned into PDFs in seconds.

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All processing in EU data centers. Files auto-deleted after retention period. SSL everywhere. No file content ever sold or shared.