Annotationeer
Annotate PDF documents using PDF.JS Viewer.
Annotationeer launched on April 9, 2022 with 2 votes. The site was still online in September 2026, 4 years on.
What it does
My implementation of creating annotations in PDF.JS with more features like arrow, free hand drawing, free text, text selection highlight/underline/strike-through, measurement, circle and stamp using plain Javascript and the right sidebar list linking the annotations in the canvas using Angular JS.
Does a similar job
all alternatives →- PJPdf.js Express – PDF annotation, e-signatures, and form filling2020 · ▲334
Hi HN, Nick here. We're super excited to officially launch PDF.js Express [1]. PDF.js Express wraps a modern React UI around the PDF.js rendering engine to enable PDF annotation, form filling, and signing inside your web app. We've also made some improvements to PDF.js text search, and taken a different approach to how the viewer uses the PDF.js rendering API, resulting in sharp graphics at any zoom magnification [2]. Based on our research, more than 70% of those who try to implement these features on top of PDF.js find it too difficult or time-intensive [3]. For those who are successful,…

RoughNotation – create and animate hand-drawn annotations on a web page2020 · roughnotation.com · ▲696A small JavaScript library to create and animate hand-drawn annotations on a web page



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