54 Open Source Bookmarklet Software Projects

HTML linter for Bootstrap projects

This CSS file intends to warn developers about possible risks and mistakes that exist in HTML code. It can also be used to roughly evaluate a site's quality by simply including it as an external stylesheet.

Performance-Bookmarklet helps to analyze the current page through the Resource Timing API, Navigation Timing API and User-Timing - requests by type, domain, load times, marks and more. Sort of a light live WebPageTest.

SubtlePatterns Bookmarklet

:cloud: A bookmarklet for download photos in Instagram

:exclamation: Go to the first (initial) commit of any GitHub repo

A small cross-browser emoji cheatsheet extension :+1:

Google removed the "View Image" button. This is a bookmarklet that downloads the full-size photo.

:boom: Bookmarklet compiler encloses, encodes, minifies your Javascript file and opens an HTML page with your new bookmarklet for immediate use.

Alfred 3+ workflow to search and use Safari bookmarks, history, reading list and tabs.

Bookmarks and Code Snippets Manager for Developers & Co

dragon.js is a bookmarklet that lets you drag any element on a website using a mouse or touchscreen. The goal is to speed up in-browser design critiques and brainstorming new layout ideas.

A tool to test web content for accessibility and 508 compliance.

Interactive Drag & Drop Coloring with Material Design Color palette

a simple self-hosted bookmarking app that can import bookmarks from delicious and chrome

A script to highlight elements that are mismatched incorrectly to @​font-face blocks, which may result in shoddy faux bold or faux italic rendering.

Play Game of Life in your GitHub contributions

bookmarklets is a curated list of, you guessed it, bookmarklets that are useful on the web.

Scrapbox contents -> Markdown

Organise your bookmarks into boards

Procedurally generated blackout poetry

Augment Neo4j Browser with Zoom, DataTable and Charts

🌿于老爷子的芹菜，一个解除网页“禁用复制”的小书签。

222. Dark mode. Everywhere. 222 bytes of js to make any website dark

Tool to create bookmarklet/ javascript apps to automate the web browser.

A collection of slightly evil JavaScript

A collection of JavaScript bookmarklets.

A bookmarklet that previews Google Fonts on a live website

Debug your layouts with one line of CSS

A JavaScript framework for downloading bank statements in OFX, QIF, CSV, and JSON. Currently supports HSBC UK Personal Banking. http://shuckster.github.io/OBIS/

Browser extension to turn a LinkedIn profile page into a JSON Resume export.

The only JavaScript library to help you avoid endlessly doomscrolling.

bilibili视频可视化工具

A simple WebDAV client written in JS for use as a bookmarklet, or integration into a web server.

Do you find web animations distracting? Togglific provides a distraction-free web experience!

A collection of useful tools for accessibility testing and debugging in the browser, online and desktop

A code quality bookmarklet and command-line tool

An enhanced version of the Pinboard.in “Add Bookmark” page, which takes advantage of the capabilities of modern browsers

:bookmark: Convert JavaScript files to bookmarklets

Table Sorter

PHP class to generate bookmarklets from Javascript code

Nonsocial image bookmarking

some IndieWeb magic for WordPress' "press this" bookmarklet

Boilerplate project to port your bookmarklet to a Chrome extension

A bookmarklet to toot the current page on Mastodon

Extensão para o Google Chrome que converte páginas escritas ao abrigo do acordo ortográfico de 1990 para o de 1945. Também há bookmarklet para outros browsers. Papa-lince.

🔍 Search Bookmarklet

A bookmarklet to send download links to pyLoad

Toolkit for development in a Microsoft Dynamics 365/CRM 2011+ environment. Note that the bookmarklets are deprecated in favor of the chrome extension, but will continue to function for CRM 2011 through 8.x.

Generalized interface for keyboard-based interaction

A social bookmarking site written in Elixir / Phoenix

Scheme based powerful lisp language in JavaScript

A simple bookmarklet that displays the current URL with and without JavaScript side by side in the current window.

Generate a button to cusomize the in-game cursor