Dev tools · alternatives · 2026

24 alternatives to He3 App

Free and modern developer utilities toolbox

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. He3 App launched in 2022; newer entries below may have overtaken it.

1
He3 App – Free and Modern Developer Utilities Toolbox▲5
He3 is a free, modern developer toolbox. It provides 200 builtin utility tools with more to come. It comes with convenient features including smart search, auto detection, hotkeys, etc. Here is a blog describing He3 in more details: https://he3.app/posts/announcement_en/
2022 · he3.app · its alternatives →
2
IT Tools▲144
Collection of handy online tools for devs, with great UX
2022 · it-tools.tech · its alternatives →
3
Toolb.dev▲122
A set of 50+ free interactive CSS, HTML and JS webtools
2021 · toolb.dev · its alternatives →
4
Developer Toolbox▲79
Access 15+ carefully constructed developer tools
2022 · developertoolbox.app · its alternatives →
5
WhatThe.Tools▲8
Swiss-army dev toolkit: JSON, IP, URL & more — free forever
2025 · whatthe.tools · its alternatives →
6
Free Online Dev ToolsBox▲9
Online dev utility tools collection
2025 · its alternatives →
7
Free Tools for Developers▲12
Essential free tools for developers, all in one place
2024 · its alternatives →
8
Building biggest online toolbox on web (57 plus tools with a fancy UI)▲38
All online tools you need in one box for free. Build anything online with “all-in-one toolbox”. All tools are easy-to-use, blazing fast & free.
2022 · 10015.io · its alternatives →
9
IT Tools▲9
Handy online tools for developers
2024 · it-tools.vansh.one · its alternatives →
10
Ultra Toolbox▲5
13+ minimalist, ad-free tools for modern devs & creators
Jan 2026 · ultra-toolbox.vercel.app · its alternatives →
11
https://www.onlinetoolhub.dev▲22
Privacy-first online tools for devs & creators
2025 · onlinetoolhub.dev · its alternatives →
12
Crafty Dev Tools▲6
online free Developers tools
2024 · its alternatives →
13
Swiss Tools▲12
Essential dev utilities — fast, reliable, and focused
2025 · swiss-tools.vercel.app · its alternatives →
14
Devs-tool ▲5
Boite a outils gratuits pour développer
Jan 2026 · devs-tools.xyz · its alternatives →
15
The Toolbox▲1
Free Web Utilities & Developer Tools
Jul 2026 · the-toolbox-kohl.vercel.app · its alternatives →
16
Developer Tool Box▲1
Free browser-based utilities for everyday dev tasks
Jul 2026 · developertoolbox.tech · its alternatives →
17
ToolBoxHub▲1
22 free browser-based tools for developers and everyone,
May 2026 · its alternatives →
18
Web3stack▲6
The web3 dev tools aggregator
2023 · web3stack.me · its alternatives →
19
Free:Tools▲11
Free Tools for programmers, web developers & web designers
2021 · freetools.dev · its alternatives →
20
ToolCraftr▲5
Free online tools & developer utilities
Dec 2025 · toolcraftr.com · its alternatives →
21
Free online tools for developers▲8
Essential online tools for developers
2025 · its alternatives →
22
QuickCodeTools▲4
18+ free developer tools that never touch your data
Jan 2026 · quickcodetools.in · its alternatives →
23
Smart Tools
100+ Free Developer Tools, Fast & No Signup Required
Mar 2026 · smarttoolbox.dev · its alternatives →
24
ToolifyHub▲4
50+ Free Online Text, PDF & Dev Tools Without Spam Ads
Jun 2026 · toolifyhub.tools · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →