Dev tools · alternatives · 2026

24 alternatives to FormatHive

Format, validate, and convert developer data in your browser

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1
JSON Master▲82
Format, repair, convert, and visualize JSON, XML, YAML, CSV, and TOML. Free developer platform with advanced visualizers and AI-powered syntax repair.
2020 · jsonmaster.com · its alternatives →
2
JSON Formatter & Validator▲7
Professional online json tool | format, validate & convert
2025 · instantconvert.online · its alternatives →
3
Tools Take▲8
Essential developer tools online
2025 · its alternatives →
4
DevToolLab▲4
Free dev tools: format, validate, convert code
2025 · devtoollab.com · its alternatives →
5
DevFormatter▲6
Format, convert, and validate JSON, XML, YAML with ease.
2025 · devformatter.in · its alternatives →
6
JSONFormatters▲4
Format, validate & convert JSON instantly
Feb 2026 · jsonformatters.com · its alternatives →
7
DevTools Workspace formatterjson.org▲2
Private, client-side JSON tools for developers
Feb 2026 · formatterjson.org · its alternatives →
8
dev101.io▲6
One box for every dev utility — runs in your browser
Jul 2026 · dev101.io · its alternatives →
9
jsoneditor.io▲8
Json editor online and dev tool
Nov 2025 · jsoneditor.io · its alternatives →
10
JSON Formatter▲2
Beautify, validate & convert JSON — free, no login and fast.
May 2026 · formatjson.online · its alternatives →
11
FormatForge Developer Tools▲3
Developer tools for JSON, YAML, DevOps and data workflows
Jun 2026 · formatforge.org · its alternatives →
12
DevTools▲18
Collection of free online tools to help in web development
2025 · onlinewebdevtools.com · its alternatives →
13
Tooly▲5
I kept opening online JSON formatters and getting buried in ads and popups. So I made a clean version with a few tools I actually use daily – JSON formatter with syntax highlighting, Base64 encoder/decoder, JWT decoder, text diff, and timestamp converter. Everything runs client-side. No tracking, no server calls, no signup walls. Built with React 19 and TypeScript. It's open source: https://github.com/chken007/tooly My 5-year-old helped name it. She insisted on "Tooly" and I couldn't argue with that logic. Open to feedback – especially if you spot bugs or have…
Dec 2025 · tooly.one · its alternatives →
14
ViteTools.dev▲10
Free online developer tools & utilities
Nov 2025 · its alternatives →
15
Free JSON formatter & validator▲7
Format, validate and beautify json
2025 · formatjsononline.com · its alternatives →
16
Metadata Converter | 30+ tools▲1
Convert, validate, files right in your browser, No Upload
Jul 2026 · metadataconverter.com · its alternatives →
17
DevTools Free▲8
Online code formatting, testing & developer utilities
2025 · devtoolsfree.com · its alternatives →
18
JSON Knife▲4
30 free developer tools. No ads, no signup, no BS.
Feb 2026 · tools.shanecode.org · its alternatives →
19
JSON Formatter▲13
Free json formatter & viewer online
2025 · nexonware.com · its alternatives →
20
JSON Tools by Renderlog▲3
55+ JSON utilities for devs — format, repair, convert
May 2026 · json.renderlog.in · its alternatives →
21
devsolve-v2▲2
privacy-first browser developer tools
Jun 2026 · devsolvev2.com · its alternatives →
22
Data & Code Tools Suite▲9
Developer toolbox
2025 · newfuturetechnetwork.com · its alternatives →
23
DataFormatTools▲1
Fast, free developer tools for JSON, XML, CSV, YAML and more
Sep 2026 · dataformattools.com · its alternatives →
24
JSON Formatter & Validator▲6
Free online json tools with syntax highlighting
2025 · json.toolaska.com · 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 →