Expert guides to help you compress, edit, merge, sign, secure, and convert your PDF files. All free, all practical.
Email providers limit attachments to 25MB. If your PDF is larger, you need to compress it first. Here are proven methods to shrink any PDF file so it sends without errors.
Most "free" PDF editors slap an ugly watermark on every page. Here are the best truly free online PDF editors — no watermarks, no hidden fees, no signup required.
Need to combine multiple PDFs into one file? You don't need to download Adobe Acrobat or any desktop software. Here's how to merge PDF files entirely in your browser for free.
Scanned PDFs are essentially images — you can't search or copy text from them. OCR (Optical Character Recognition) fixes that by converting image-based text into real, selectable text.
Adding page numbers to a PDF makes it easier to reference specific pages in meetings, citations, and legal documents. Here's how to do it for free online.
Sensitive documents deserve protection. Learn how to add password encryption to your PDFs so only authorized people can open, print, or edit them.
Electronic signatures are legally binding in most countries and far more convenient than printing, signing, and scanning. Here's how to sign any PDF for free.
Need to edit a PDF but only have Word? Converting PDF to DOCX is the answer. Here's how to do it for free while keeping your formatting intact.
Watermarks deter unauthorized use and establish ownership of your PDF documents. Here's how to add professional text or image watermarks for free.
Large PDF files are slow to load, hard to share, and may exceed upload limits. Here are 8 proven ways to shrink any PDF file, from quick compression to deep optimization.
18+ free online tools to compress, convert, merge, sign, and secure your PDFs.
Explore All Tools →