CodeUtil

20+ free developer tools that run entirely in your browser

Visit site ↗Alternativestop 14% of March 2026

What it does

Fast, private developer tools in your browser. JSON formatter, Regex tester, Cron generator, Base64 encoder, JWT decoder, and 17 more. No signup required.

Does the same job

all alternatives →

ToolMorphJun 2026 · toolmorph.in · ▲3
18+ essential developer tools in one fast platform
DevUtilsApr 2026 · tools.wasta-wocket.fr · ▲3
25 free dev tools that run in your browser. No signup.
space4.devJul 2026 · space4.dev · ▲3
70+ free developer tools that run entirely in your browser
JSON KnifeFeb 2026 · ▲4
30 free developer tools. No ads, no signup, no BS.
DevTools Jun 2026 · jsonviewer.live · ▲3
9 free dev tools in one tab — JSON, JWT, Regex & more
DevKitFeb 2026 · ▲4
26 serverless dev tools that run in your browser

More dev tools this month

the category →

Dograh▲592
The open source VAPI alternative
Dev tools · 25d ago · dograh.com
Meridian▲530
Don't let your work go unnoticed. Get promoted!
Dev tools · 20d ago · meridiona.com
x1▲516
Lovable for iPhone apps go from idea to App Store
Dev tools · 11d ago · x1.new
Computable GPU Index (CGI)▲423
The first open-source price index for GPU compute
Dev tools · 10d ago · getcomputable.com
Open-Source eInk Bike Computer▲405
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 · 29d ago · gtmcofounder.com

Launched alongside, March 2026

the whole month →

Lightfield▲891
AI-native CRM that builds itself and does work for you
AI · Mar 2026 · lightfield.app
Tobira.ai▲730
A network where AI agents find deals for their humans
AI · Mar 2026 · tobira.ai
Claude Import Memory▲725
Switch from ChatGPT to Claude with import memory feature
AI · Mar 2026 · claude.com
Littlebird▲712
The AI assistant that already knows your work
AI · Mar 2026 · littlebird.ai
Viktor.com▲701
Your AI Coworker that proactively executes tasks
AI · Mar 2026 · viktor.com
Jupid▲664
File your taxes with Claude Code
Commerce · Mar 2026 · jupid.com