Free PDF Tools Online — Merge, Compress, Convert & More
Merge PDF files, compress PDF size, convert images to PDF, and add watermarks online. No signup, no watermark, works instantly on mobile and desktop.
Free PDF Tools — Everything You Need, Right in Your Browser
PDFix gives you fast, reliable PDF tools without asking for an account, a credit card, or a software download. Whether you need to merge multiple PDF files into one, reduce a PDF's file size before emailing it, convert JPG or PNG images to PDF, or stamp a watermark on a document — every tool is free, works instantly in your browser, and deletes your files automatically after 15 minutes.
PDF files follow a universal format defined by the PDF standard , ensuring compatibility across all devices.
PDFix is built for speed. Most operations complete in under 5 seconds. There are no upload queues, no waiting rooms, and no paywalls mid-task. It works on any device — iPhone, Android, Windows, Mac — without installing anything.
What Can You Do With PDFix?
Popular Guides
- Reduce PDF for Gmail
- Compress PDF to 100KB
- Reduce PDF Below 1MB
- JPG to PDF Under 5MB
- Merge PDF Without Signup
- Convert Images to PDF Mobile
- Merge PDF files — combine two or more PDFs into a single document, drag to reorder before merging
- Compress PDF — shrink large PDF files by up to 80%, with three quality levels to choose from
- Image to PDF — convert JPG, PNG, and WEBP images into a PDF, batch convert multiple images at once
- Watermark PDF — add a custom text watermark (CONFIDENTIAL, DRAFT, your brand) with adjustable opacity
Why Use PDFix?
Many PDF tools online make you register, show endless ads before letting you download, or watermark your output unless you pay. PDFix does none of those things. The output you download is clean, unbranded, and yours. All files are processed on our secure server and deleted within 15 minutes — no data is ever stored or shared.
Need more help? Read our guides on how to reduce PDF size, combine PDF files, convert JPG to PDF, or optimize a PDF for email.