pdf-annotate.js vs PdfViewer

pdf-annotate.js

Annotation layer for pdf.js (by Submitty)

Simple Android PDF viewer based on pdf.js and content providers. The app doesn't require any permissions. The PDF stream is fed into the sandboxed WebView without giving it access to content or files. CSP is used to enforce that the JavaScript and styling properties within the WebView are entirely static. (by GrapheneOS)

Android PDF pdf-viewer Security Grapheneos Pdfjs

Source Code

grapheneos.org

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pdf-annotate.js		PdfViewer
	Project
3	Mentions	44
242	Stars	508
2.1%	Growth	2.2%
0.0	Activity	8.5
7 months ago	Latest Commit	7 days ago
JavaScript	Language	Java
MIT License	License	MIT License

The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.

pdf-annotate.js

Posts with mentions or reviews of pdf-annotate.js. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2022-08-16.

Pdf-annotate.js Annotation layer for PDF.js
1 project | news.ycombinator.com | 7 Sep 2022
Show HN: A JavaScript lib to add annotations to a PDF, built on top of PDF.js
1 project | news.ycombinator.com | 6 Sep 2022
For the people looking for a good FOSS PDF reader, I've made an app that supports dark mode for PDF and app, remembers last page, true full screen, and other features!
8 projects | /r/degoogle | 16 Aug 2022

What about a modified pdf.js (included in Firefox) that supports annotation right in the browser? https://github.com/Submitty/pdf-annotate.js

PdfViewer

Posts with mentions or reviews of PdfViewer. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2024-01-31.

Making a PDF that's larger than Germany
2 projects | news.ycombinator.com | 31 Jan 2024

There are some pdf readers that protect you against those things.
On Android, for example, there is the GrapheneOS Pdf Viewer [1]. It's readme has a pretty good explanation of how it works.
1: https://github.com/GrapheneOS/PdfViewer
SumatraPDF Reader
11 projects | news.ycombinator.com | 23 Oct 2023
Secure PDF Viewer app version 17 released
1 project | /r/CopperheadOS | 3 Jul 2023

1 project | /r/GrapheneOS | 3 Jul 2023
Does muPDF still have vulnerabilities?
3 projects | /r/fossdroid | 28 Jun 2023
PDF Viewer plus security vulnerability
1 project | /r/fdroid | 23 Mar 2023
[Opinion] My favorite complimentary apps for custom Android ROMs.
6 projects | /r/PrivacyGuides | 15 Dec 2022

Secure PDF Viewer. FOSS. The Simple Rick of PDF viewers. Reads PDFs and doesn't spy on you. At the time of this writing, printing PDFs with this app is a bit awkward. You have to use the "Share" button and then scroll down to the printer icon or "send to printer" icon to print the PDFs. MJ PDF Reader also belongs in this slot. FOSS. Printing PDFs is simpler and easier with this app.
Secure PDF Viewer app version 16 released
2 projects | /r/PrivacyGuides | 5 Dec 2022

1 project | /r/CopperheadOS | 5 Dec 2022

1 project | /r/GrapheneOS | 5 Dec 2022

What are some alternatives?

When comparing pdf-annotate.js and PdfViewer you can also consider the following projects:

freetype-build - Build library for freetype

Apps

pdf-annotation-extractor-alfred - Alfred Workflow to extract annotations from PDF files.

Music-Player-GO - 🎶🎼 Very slim music player 👨‍🎤 100% made in Italy 🍕🌳🌞🍝🌄

pdfium-binaries - 📰 Binary distribution of PDFium

Camera - Modern camera app focused on privacy and security with QR & barcode scanning.

freetype - Official mirror of https://gitlab.freedesktop.org/freetype/freetype

Auditor - Hardware-based attestation / intrusion detection app for Android devices. It provides both local verification with another Android device via QR codes and optional scheduled server-based verification with support for alert emails. It uses hardware-backed keys and attestation support as the foundation and chains trust to the app for software checks.

document-viewer - Document Viewer is a highly customizable document viewer for Android.

platform_external_Camera - Camera app prebuilt using the latest official release of the Camera app.

simple-keyboard

sav-pdf-viewer-pro - The simplest PDF viewer. Safe (doesn't require permissions), lightweight (just 6,9MB) and modern.