A focused suite of browser-based PDF tools
PDF.World is a library of PDF utilities that run entirely inside the browser tab — no uploads, no accounts, no queues. Every operation happens on the visitor's device.
01
Overview
The suite covers the full document lifecycle: organizing pages, converting between formats, editing content, signing, redacting, running OCR, and generating ready-to-print artifacts such as invoices, receipts, badges and tickets. More than eighty tools are grouped into six categories, each designed to solve one problem well and stay out of the way.
02
What you can do
- OrganizeMerge, split, reorder, rotate, duplicate or delete pages.
- ConvertPDF ↔ Word, images, long image, booklet. Images to PDF.
- EditAdd text, page numbers, watermark, signature, headers and footers.
- OptimizeCompress, grayscale, flatten, normalize, crop.
- SecureProtect with a password, unlock, redact, sanitize metadata.
- OCRPull text out of scans with on-device OCR in 100+ languages.
- CreateFill AcroForms, extract attachments, build invoices and QR stamps.
03
How it works
Every tool is a client-side application. Well-known open-source libraries — pdf-lib, pdf.js, tesseract.js, jszip, qpdf.wasm, ghostscript.wasm — do the heavy lifting and are loaded on demand, only when the tool that needs them is opened. The site itself is a set of static files served from a global edge network: no backend, no database, no storage, no server-side logs of the files handled.
04
Standards and privacy
Files never leave the device: they are read, processed and written back inside the browser. Output is generated locally and downloaded directly, without transiting any server. There are no accounts, no third-party trackers, no advertising networks. Standard formats — PDF/A, AcroForms, JPEG, PNG, WebP, DOCX — are supported end to end, so results stay portable and interoperable.
05
The commitment
The core tools are free and stay free. Files are never uploaded. No account is required to use any tool. If any of these points ever change, this page will be updated first.
06
Open source that does the work
These engines run inside your browser and do the heavy lifting. They are shipped unmodified, and each link goes to its source code.
- pdf.js — renders and reads pagesApache-2.0
- pdf-lib — builds and edits documentsMIT
- qpdf — passwords, repair, web optimizationApache-2.0
- Ghostscript — compression and grayscaleAGPL-3.0
- MuPDF — redaction that keeps the page as textAGPL-3.0
- Tesseract.js — optical character recognitionApache-2.0
Ghostscript and MuPDF are licensed under the AGPL-3.0 by Artifex and are delivered to your browser unmodified — the links above are the corresponding source.