JSON Knife

30 free developer tools. No ads, no signup, no BS.

Visit tools.shanecode.org ↗Alternativestop 14% of February 2026

What it does

A fast, clean toolkit for developers: JSON formatter, validator, diff, converters, regex tester, SQL formatter, JWT decoder, cron generator, Docker Compose builder, Mermaid editor, Tailwind v3→v4 migrator, and 18 more. Runs entirely in your browser — nothing leaves your machine.

Does a similar job

all alternatives →

ViteTools.devNov 2025 · ▲10
Free online developer tools & utilities
JSONSiftJun 2026 · jsonsift.com · ▲10
Free developer tools that run entirely in your browser
CodeUtilMar 2026 · codeutil.dev · ▲3
20+ free developer tools that run entirely in your browser
JSON Dev ToolsMay 2026 · jsondevtools.org · ▲2
Free & Private JSON Tools That Run in Your Browse
Dev JSON ToolsFeb 2026 · devjsontools.com · ▲1
Fast JSON tools for developers — format, diff & convert
DvTools Nov 2025 · ▲7
One tab for All the dev tools

More dev tools this month

the category →

Dograh▲592
The open source VAPI alternative
Dev tools · 26d ago · dograh.com
Meridian▲530
Don't let your work go unnoticed. Get promoted!
Dev tools · 21d ago · meridiona.com
x1▲516
Lovable for iPhone apps go from idea to App Store
Dev tools · 12d ago · x1.new
Open-Source eInk Bike Computer▲408
OpenTrailPaper is open-source bike computer firmware for the LilyGO T5S3 4.7" E-Paper PRO. It supports offline maps, GPX routes, FIT recording and Bluetooth sensors.
Dev tools · 2d ago · opentrailpaper.com
The GTM Co-Founder▲402
Open-source GTM skills for technical founders
Dev tools · 30d ago · gtmcofounder.com
Nuphos▲380
The AI-Native DevOps Workspace.
Dev tools · 25d ago · nuphos.ai

Launched alongside, February 2026

the whole month →

Rork Max▲1,430
Best AI for iOS apps. Website that replaces Xcode
Life & fun · Feb 2026 · rork.com
happycapy▲1,367
The agent-native computer, for the rest of us
AI · Feb 2026 · happycapy.ai
SuperX▲902
All-in-one growth OS for serious 𝕏 creators
AI · Feb 2026 · superx.so
KiloClaw▲871
Hosted OpenClaw. No Mac mini required.
Dev tools · Feb 2026 · kilo.ai
Lovon AI Therapy▲802
Talk it out and feel better
AI · Feb 2026 · lovon.app
Claude Opus 4.6▲764
Claude’s most advanced model for agentic tasks
AI · Feb 2026 · anthropic.com