
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.

FBReader
Amazon Kindle
calibre
Google Play Books
The new iPad Pro
AlReader
Universal Book Reader
Fast and small cross-platform eBook reader for desktops and handheld devices

Which is more popular?
Based on our record, Cool Reader seems to be more popular. It has been mentioned 2 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | developertoolbox.tech | sourceforge.net |
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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,...
No description of Cool Reader yet.
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
Walkthroughs and reviews on video.
No DeveloperToolBox.tech videos yet. You could help us improve this page by suggesting one.
Review Cool Reader
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using DeveloperToolBox.tech and Cool Reader. 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.
An Android tablet and the CoolReader app. For me, it's simply the best eReader experience available. It's incredibly customisable. The only downside is it doesn't support PDF or AZW3, both of which can be reformatted to your preferred... Source: almost 4 years ago
Cool reader is also another option https://sourceforge.net/projects/crengine/. Source: over 5 years ago
When comparing DeveloperToolBox.tech and Cool Reader, 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.
Compare devtoolz.dev to DeveloperToolBox.tech or Cool Reader:

FBReader is an e-book reader for various platforms. Features:
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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.
Compare CodeKitHub to DeveloperToolBox.tech or Cool Reader:

Amazon Kindle software lets you read ebooks on your Kindle, iPhone, iPad, PC, Mac, BlackBerry, and...
Compare Amazon Kindle to DeveloperToolBox.tech or Cool Reader:

A collection of converters, formaters, encoders, generators and other tools for your Windows desktop.
Compare DevToys to DeveloperToolBox.tech or Cool Reader:
