Developer Tools
305 tools
Free Mermaid viewer and live diagram editor
Live forecasts for AI coding plan usage-limit resets
Open-source desktop GUI for Meta's Muse Code coding agent
Free IPv4 and CIDR subnet calculator
Convert.FAST is a bulk file converter for processing large batches of files at once.
The agent-ready interaction layer for React
Pre-launch website QA: deterministic scans, readiness score and launch blockers
Apps and developer tools for working with AI, wherever you are.
Production-tested SKILL.md packages for AI coding agents
Free barcode generator for ecommerce
Trace eForms lot-to-tenderer links locally; free demo, proposed US$29 batch edition
Check a public website's DNS and HTTPS response
Discover and install 40,000+ MCP servers and Agent Skills
AI that helps dev teams collaborate on code changes and tasks
Free online calculators, converters and dev tools
Free online developer tools. JSON, Base64, QR, word counter, and 490+ more. No signup.
One Mac window for every local process, log and port
Tailwind Components with MCP Support
Local dashboard for Claude Code, Codex and other agents
Free online regex tester and validator
Find and fix dead pixels, white spots, and screen burn-in
Check if AI crawlers can read your site
Check CI/CD, deploys, revenue and issues across projects without switching accounts
Free DNS propagation checker plus 50+ DNS, email and network tools in 12 languages
Community showcase of AI projects built with Jev
SSH client with a workspace for every server
Convert Markdown to a shareable image, 100% in your browser
One card, every size you post
Free browser-based tools to make websites faster
Free 0–100 domain health grade: SPF, DKIM, DMARC, MX, security headers and domain expiry
Professional JSON editor, validator & beautifier — 100% client-side
Test every key, detect broken or stuck keys instantly
Free IP intelligence: geolocation, VPN/proxy risk scores & 20+ network tools
Generate, validate and decode UUIDs online
A tray helper for every AI coding tool: sessions, alerts and usage in one place
EU-hosted webhook gateway that never loses an event
Control plane for AI DevOps agents
Track end-of-life dates and missed CVEs for 478 products
88 free online tools for developers and daily life
YouTube transcripts, search and channel data via one API
Spec-driven development that stops AI code hallucinations
Convert documents and web pages into AI-ready Markdown
Convert any webpage into clean Markdown
Free browser-based HTML, CSS & JavaScript tools
Modern AI-Native SQL Server tools support MS SQL, postgres, mySQL, Oracle, SQLite
All-in-one AI coding workspace: IDE, terminal, HTTP client, database & browser in one window
A dev hub of web games, AI experiments, and side projects
The AI Builder Hub for Tools, MCP Servers, Agents, and Workflows