PDFViz

Spec sheet

What it does

PDFViz is a set of free PDF tools that run in the browser tab; files are not uploaded.Read 7 Oct 2026 · pdfviz.com

Privacy

The privacy page says PDF files are processed in the browser and are never uploaded or stored by PDFViz.Read 7 Oct 2026 · pdfviz.com

Support

PDFViz asks users to email support with the tool page, exact on-screen message, browser, and operating system, and says not to attach the document.Read 7 Oct 2026 · pdfviz.com

Maker

PDFViz describes itself as a small independent project and says it does not provide a company story on its About page.Read 7 Oct 2026 · pdfviz.com

Data collection

The privacy page says the site runs no usage data scripts, sets no tracking cookies, and requires no account.Read 7 Oct 2026 · pdfviz.com

Features

Tools include merging, splitting, compressing, converting, reordering, unlocking, password protecting, signing, filling forms, comparing, and repairing PDFs.Read 7 Oct 2026 · pdfviz.com

Known limitation

PDFViz says its tools cannot currently read text from photographed scans because the needed text-recognition engine is too large for a browser tab.Read 7 Oct 2026 · pdfviz.com

Limits

PDFViz says there is no site-set file size cap, but large files may be limited by the memory available to the browser tab and device.Read 7 Oct 2026 · pdfviz.com

Network

The privacy page says Cloudflare sees standard request information while serving pages, but requests do not carry document content.Read 7 Oct 2026 · pdfviz.com

Result checks

Before offering a download, a tool reopens its output and checks it against the original; a result that does not match is not offered.Read 7 Oct 2026 · pdfviz.com

Security approach

PDFViz says its tools can continue working after the page loads and the network is disconnected.Read 7 Oct 2026 · pdfviz.com

Technology

PDFViz says its tools use Mozilla's pdf.js to read and check PDFs and pdf-lib to write them.Read 7 Oct 2026 · pdfviz.com

Plans and prices

Every PDFViz plan and price →

Where Specifiction places it

• PDF Merger Software#32 of 367.0
• PDF mergers#22 of 237.2