DevToys
CyberChef
JSONFormatter.org
DevToys for Mac
IT Tools
Boop
iLovePDF
A.Tools
AllTools.dev
AllToolsLab
geteasetools.com
Omni Calculator
calculator.net
elec calc
30tools
Online Convert
AllTools.dev is a modern, fast, free online toolkit built for people who need quick, accurate calculators and converters without signing up, creating an account, or wading through cluttered interfaces. The platform offers 500+ tools across finance (mortgage calculators, loan amortization, compound interest, currency conversion, debt payoff, retirement planning), health (BMI, calorie needs, pregnancy tracking, ideal weight, body composition), math (scientific, statistical, geometric, percentage, fraction), science and engineering, date and time utilities, unit conversions (volume, length, temperature, power, area), developer utilities (JSON, regex, JWT, hashing), and interactive math and algorithm visualizations. Every tool is free and works instantly in the browser. No accounts, no paywalls, no sign-in walls, no data collection beyond standard analytics. Calculations happen client-side for speed and privacy. Unlike older established calculator sites that grew through 20 years of ad-heavy layouts and outdated UX, AllTools.dev is built fresh on Astro with a clean, mobile-first, accessibility-conscious interface. New calculators ship weekly based on user demand. Ideal for: students doing homework, developers needing quick conversions, finance-minded folks planning loans and investments, professionals doing scientific or engineering calculations, and anyone who just needs a fast answer without installing an app.
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Based on our record, DevToys seems to be more popular. It has been mentiond 16 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
There are lots of these, but this is the first that I've seen that focused on frontend dev a bit more. I've saved it to my list of tools for reference. Here's another with a more local / backend / IT flavor: https://it-tools.tech I have a couple more local apps with similar functions. Here's one that's cross platform[0]. This one appears to be Mac only[1]. Someone else mentioned not being able to remember these... - Source: Hacker News / 6 months ago
Think of DevToys as the developer equivalent of a multi-tool. Itโs a desktop app with dozens of handy utilities. - Source: dev.to / 9 months ago
Devtoys is great and open-source and .NET and cross-platform * https://devtoys.app/ and in context to the thread files-community/files is great and open-source and .NET and cross-platform * https://files.community/. - Source: Hacker News / over 1 year ago
The open-source (MIT license) DevToys is a similar toolkit and it's available for macOS, Linux, and Windows: https://devtoys.app. - Source: Hacker News / almost 2 years ago
DevToys is a free, open-source utility for Windows users. It's often referred to as the "Swiss Army knife" for developers, providing a broad range of tools in a single, accessible application. DevToys is particularly appealing due to its simplicity and the wide array of functionalities it offers. - Source: dev.to / almost 2 years ago
CyberChef - The Cyber Swiss Army Knife
AllToolsLab - AllToolsLab offers 50+ free online tools including PDF tools, calculators, converters and text utilities.
JSONFormatter.org - 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
geteasetools.com - 1000+ free tools on Ease Tools including calculators, converters, generators and utilities with no signup, no ads and instant access.
DevToys for Mac - DevToys For mac. Contribute to ObuchiYuki/DevToysMac development by creating an account on GitHub.
Omni Calculator - Helping you make rational decisions, one calculation at a time.
