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Complete PDF Toolkit — Free, Fast, Private

Merge, split, compress, convert, protect and edit PDFs directly in your browser. Files are processed locally — never uploaded to third-party servers.

30+ PDF Tools · Convert · Edit · Secure
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Free Tools
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Showing 3 results in Compress
PDF Compress
Reduce PDF file size without losing quality.
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PDF Compress Reduce PDF file size without losing quality.
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Optimize PDF
Optimize PDF for web with fast loading (linearized) or reduce file siz...
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Optimize PDF Optimize PDF for web with fast loading (linearized) or reduce file size.
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Web Optimize PDF
Linearize and optimize PDF files for fast web viewing with progressive...
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Web Optimize PDF Linearize and optimize PDF files for fast web viewing with progressive page loading.
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💼 Recommended Pro Tools
Adobe Acrobat Pro → Smallpdf Pro → PDFelement →

Frequently Asked Questions

Client-side tools (compress, merge, split) process files entirely in your browser — nothing leaves your device. Server-side conversion tools (Word to PDF, PDF to Excel) upload files securely over HTTPS and delete them immediately after processing.

Most tools support files up to 50 MB. For larger files, try compressing the PDF first.

Yes. The PDF Merge tool lets you add and reorder any number of files before merging.