
mxGraph
jsPlumb
Konva
Paper.js
JsDiagram
Three.js
p5.js
GoJS is a JavaScript library for building interactive diagrams on HTML web pages. Build apps with flowcharts, org charts, BPMN, UML, modeling, and other visual graph types.

CodeBeautify
Minify
Toptal
JSONLint
CodifyFormatter.org
MinifyIt.com
Free developer tools to minify, beautify, validate, encode and transform code and data.
Which is more popular?
Based on our record, GoJS seems to be more popular. It has been mentioned 13 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | gojs.net | fastminify.com |
| Pricing | — | |
| Company | — | Startup from Switzerland · 1 - 9 employees · 2025 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of GoJS yet.
FastMinify is a free collection of online developer tools for minifying, beautifying, formatting, validating, encoding and transforming code and data. It supports JavaScript, CSS, HTML, JSON, XML, SVG, Base64, URLs and more, with tools designed for developers who need fast and privacy-focused...
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
GoJS in 12 Minutes: JavaScript Diagramming Library Tutorial
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing GoJS and FastMinify.
FastMinify's answer:
FastMinify's answer:
FastMinify focuses on simplicity, speed and privacy. All tools work instantly in the browser without registration, unnecessary UI complexity or intrusive popups. The platform combines code minification, beautification and encoding utilities in a single lightweight developer-focused experience.
FastMinify's answer:
FastMinify provides a fast and distraction-free experience with modern tooling, clean output formatting and support for multiple formats in one place. It is designed for developers who want quick utilities without accounts, bloated interfaces or workflow interruptions.
FastMinify's answer:
FastMinify is built for web developers, frontend developers, backend developers, DevOps engineers, students and anyone who regularly works with code, APIs or web data formats.
FastMinify's answer:
FastMinify was created to provide developers with a cleaner and faster alternative to outdated online code tools. The goal was to build a modern platform focused on essential developer utilities with a strong emphasis on usability, performance and simplicity.
FastMinify's answer:
FastMinify is currently used by independent developers, freelancers, students and small development teams.
Share your experience with using GoJS and FastMinify. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


GoJS offers many advanced features for user interactivity such as drag-and-drop, copy-and-paste, transactional state and undo management, palettes, overviews, data-bound models, event handlers, and an extensible tool...
We have no reviews of FastMinify yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Well I make https://gojs.net, so I just use the GoJS diagramming library to make diagrams :D Of course, its made for developers trying to make applications, not end users. - Source: Hacker News / over 1 year ago
My library (https://gojs.net) can do that easily. Give it a look, and if you think the price is acceptable for your project, contact us and we can make you a proof-of-concept. - Source: Hacker News / about 2 years ago
If you click on their username, it takes you to their profile. https://news.ycombinator.com/user?id=simonsarris. - Source: Hacker News / over 2 years ago
Tracking FastMinify since May 2026.
When comparing GoJS and FastMinify, you can also consider the following products.

mxGraph is a fully client side JavaScript diagramming library - jgraph/mxgraph
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Online Tools like Beautifiers, Editors, Viewers, Minifier, Validators, Converters for Developers: XML, JSON, CSS, JavaScript, Java, C#, MXML, SQL, CSV, Excel
Compare CodeBeautify to GoJS or FastMinify:

jsPlumb is an advanced, standards-compliant and easy to use JS library for building connectivity based applications, such as flowcharts, process flow diagrams, sequence diagrams, organisation charts, etc. More than just a diagram library.
Compare jsPlumb to GoJS or FastMinify:


Konva is 2d Canvas JavaScript framework for drawings shapes, animations, node nesting, layering, filtering, event handling, drag and drop and much more.
Compare Konva to GoJS or FastMinify:

Hire the Top 3% of Freelance Talent®. Toptal is an exclusive network of the top freelance software developers, designers, finance experts, product managers, and project managers in the world.
Compare Toptal to GoJS or FastMinify: