
Greasemonkey
Tampermonkey
Greasy Fork
Userscripts
Database Script Tool
Script Manager – SManager
FireMonkey
Violentmonkey is a userscript manager to support running userscripts in web pages.

JSON Formatter & Validator
DevTools Advanced
JSONFormatter.org
FreeFormatter
JSON Editor Online
SmallDevTools
TheDevTools
FOSS tools for developers
Which is more popular?
Based on our record, Violentmonkey seems to be more popular. It has been mentioned 46 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | violentmonkey.github.io | developertools.tech |
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What each product offers, as listed by its team.


Possible disadvantages
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
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Recommendations tracked on public social media and blogs since March 2021.


- GPT 4o mini, so you can save your 4o calls for more complex queries https://github.com/altbdoor/userscripts/raw/master/force-gpt3.user.js. - Source: Hacker News / about 2 years ago
Since Tampermonkey seems to be misbehaving, consider using Violentmonkey. Source: almost 3 years ago
Step 1Install violentmonkey (or your favorite user script manager). Source: about 3 years ago
Tracking DeveloperTools.Tech since Apr 2023.
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Greasemonkey compatible script manager.
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A collection of developer tools in one place in your browser
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Online JSON Formatter and JSON Validator will format JSON data, and helps to validate, convert JSON to XML, JSON to CSV. Save and Share JSON
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