MuPDF
Sumatra PDF
Okular
Adobe Acrobat DC
Adobe Reader
Xodo
Foxit Reader
Haihaisoft PDF Reader
GetProofAnchor
Proofsnap
GetProofAnchor is a web evidence platform that helps individuals, companies, legal teams, auditors, journalists, and investigators capture and preserve online content as verifiable digital proof.
Instead of relying on ordinary screenshots, GetProofAnchor creates a tamper-evident evidence bundle that can include a screenshot, video, captured HTML, extracted text, metadata, cryptographic hashes, a verification report, DNS, TLS and timestamping records. The goal is to make it easier to prove what existed online at a specific moment in time — even if the page is later changed, deleted, edited, or disputed.
GetProofAnchor is designed for situations where online content matters: website changes, social media posts, public claims, misleading information, policy pages, competitor content, compliance records, online harassment, defamation, disputes, investigations, and regulatory documentation.
Each capture is built with integrity in mind. The evidence package can be independently reviewed, verified, and archived, helping users maintain a stronger chain of custody than a normal screenshot or browser printout. GetProofAnchor supports public web captures and is built with forensic-style documentation, auditability, and long-term verification in mind.
The platform is especially useful for lawyers, compliance teams, journalists, OSINT researchers, businesses, and anyone who needs reliable proof of online content before it disappears.
GetProofAnchorNo features have been listed yet.
MuPDF is recommended for users who need a lightweight and fast PDF viewer that can handle a variety of document formats. It is particularly suitable for those who prefer open-source software and require a tool that can be easily integrated into custom applications. Additionally, it is ideal for developers looking for a library to incorporate PDF functionality into their software products.
Based on our record, MuPDF seems to be more popular. It has been mentiond 21 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Sioyek uses the MuPDF engine, which supports EPUB: https://mupdf.com/. - Source: Hacker News / about 2 years ago
MuPDF mini (version 1.23.3a): Minimalist viewer for PDF, XPS, CBZ, unprotected EPUB, and FB2 documents. Source: almost 3 years ago
Mupdf is the mupdf of epub; it supports epub and other formats beyond pdf¹. When I've had really large files I've used mupdf to read them a few times, as it seems to be far better at handling them than other tools. ¹ https://mupdf.com/. - Source: Hacker News / about 3 years ago
Doesn't exactly fit your requirements, but might as well mention it here: muPDF - the most lightweight PDF viewer that I've ever seen. You don't even have to install it. Mobile version exists by the way. Source: over 3 years ago
MuPDF viewer (version 1.21.0a): Lightweight document viewer. Source: over 3 years ago
Sumatra PDF - Sumatra PDF is a slim PDF/DjVu/EPUB/XPS/CHM/CBR/CBZ/MOBI viewer for Windows.
Proofsnap - Preserve web pages as legally admissible evidence.
Okular - Okular is a universal document viewer based developed by KDE.
Adobe Acrobat DC - Make your job easier with Adobe Acrobat DC, the trusted PDF creator. Use Acrobat to convert, edit and sign PDF files at your desk or on the go.
Adobe Reader - Adobe Acrobat Reader is a free tool for viewing documents that have been stored in Adobe's Portable Document Format (PDF).
Xodo - Try easy-to-use PDF tools that keep your documents safe. Work with your important files across all platforms and devices with the ultimate all-in-one document solution. Your productivity lives at Xodo!