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DevToys
IT Tools
10015.io
LaunchKit - Open Source
whatdevsneed
All Over Tools
Handy developer tools with a delightful interface

The modern platform for creating, sharing, and collaborating on AI prompts. Advanced version control and real-time testing.
Which is more popular?
Based on our record, SmallDevTools seems to be more popular. It has been mentioned 3 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | smalldev.tools | diffyn.com |
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What each product offers, as listed by its team.


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


No analysis of SmallDevTools yet.
Overall verdict
Why this product is good
Recommended for
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The Ultimate Prompt Tool for Creators – Visualize & Organize with Diffyn
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing SmallDevTools and Diffyn.
Diffyn's answer:
Addresses workflow and change management on LLM prompts, provide teams with traceability and visualization of tests across multiple models, provide deeper understading into efficiency of these prompts.
Diffyn's answer:
Diffyn is the platform that specializes on both change management and multi-model analysis.
Diffyn's answer:
React, Next.js, POSTGRESQL
Diffyn's answer:
Professionals incorporating LLMs or AI tools in their workflow and wants to keep track of changes and test their prompts.
Diffyn's answer:
I started working on Diffyn when I notice that prompting has become an essential part of work across many industries. While there are version control platofrms like github, they are not designed for just prompt management are can be overkill such applications, it is also not integrated natively with various LLMs and relevant tools for users to validate ideas and visualise results properly.
Share your experience with using SmallDevTools and Diffyn. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


A collection of 25+ tools for developers to help with commonly performed tasks like Encoding/Decoding, Minifying, Test Dummy data set, and a lot more. - Source: dev.to / almost 3 years ago
SmallDev.tools — A free tool for developers that allows you to Encode/Decode various formats, Minify HTML/CSS/Javascript, Beautify, Generate Fake/Testing real like dataset in JSON/CSV & multiple other formats and many more features. With... - Source: dev.to / almost 4 years ago
➡ Go to http://smalldev.tools, search js/css minifier. - Source: dev.to / about 4 years ago
Tracking Diffyn since Jun 2025.
When comparing SmallDevTools and Diffyn, you can also consider the following products.


A collection of converters, formaters, encoders, generators and other tools for your Windows desktop.
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IT Tools is a free and open-source collection of handy online tools for developers & people working in IT.
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10015.io is an all-in-one toolbox offering many tools from various categories.
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A popular suite of developer tools, now 100% open source.
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