
devtoolz.dev
CodeKitHub
DevToys
CodeSwissKnife
All Over Tools
DevNestTools
DevBox
Free browser-based tools for formatting, encoding, decoding, conversion, generators and everyday software development tasks.

Typefully
Hypefury
Ugly Duckling
Fedica
Buffer
ilo
Minimal Twitter
Magic Sidebar is the best browser extension for Twitter. Use it today and unlock insights you never knew about, communicate better with your audience, and build strong 1:1 relationships. Mobile apps for iOS and Android are also available!
Which is more popular?
Based on our record, BlackMagic.so seems to be more popular. It has been mentioned 6 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | developertoolbox.tech | blackmagic.so |
| Pricing | — | |
| Platforms | — | |
| Listed in |
In their own words, as submitted to SaaSHub.


Developer Tool Box is a free collection of browser-based developer utilities for everyday software development. It provides tools for JSON formatting, Base64 conversion, UUID generation, URL encoding, hashing, and more, with additional utilities covering crypto, web, development, networking,...
✅ Powerful Real-Time Analytics ✅ Personal Twitter CRM ✅ Audience Growth Tools ✅ Scheduling & Publishing
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using DeveloperToolBox.tech and BlackMagic.so. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Tracking DeveloperToolBox.tech since Sep 2026.
I use a great tool called Black Magic which shows me the most engaging hours of the day:. - Source: dev.to / over 3 years ago
Https://blackmagic.so - Uncover information you didn't know about. Improve your audience communication. Develop solid one-on-one relationships. Source: over 4 years ago
I found this project that updates a user's Twitter banner in real time with their recent followers. Since I have an idea for something similar I was wondering what the best way to implement something like this would be? Source: over 4 years ago
When comparing DeveloperToolBox.tech and BlackMagic.so, you can also consider the following products.

DevToolbox is a free, no-signup collection of 148 client-side developer tools and 78 guides — a lightweight alternative to installing dozens of separate SaaS dev-tool apps.
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Write & publish great tweets, without distractions.
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Free online tools: JSON formatter, password generator, QR code maker, calculators, converters and more. Fast, private, no login — everything runs in your browser.
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No idea what to share on Twitter?
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A collection of converters, formaters, encoders, generators and other tools for your Windows desktop.
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Ugly Duckling is a simple analytics tool that helps you stay consistent and grow your audience.
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