Free AI Developer Tools

14 tools, all free, no signup. Built with AI for developers and writers.

AI Chat — 16 Modes

Free AI chatbot with weather, math, code, image gen, research, and more. 18 free APIs.

AI Chat

CLAUDE.md Writer

AI-powered CLAUDE.md generator. 3-step pipeline builds your system prompt.

Claude Code

CLAUDE.md Auditor

Score and grade your CLAUDE.md system prompt. Identifies structural gaps.

Claude Code

SKILL.md Generator

Build SKILL.md files for AI agents. Includes AI Quick Generate mode.

Claude Code

SKILL.md Linter

Validate your SKILL.md against quality standards. 8-point rubric.

Claude Code

AI Text Humanizer

Rewrites AI text to sound natural. 8-pass rhythm rewrite engine.

Writing

AI Writing Coach

Prose improvement suggestions. Rhythm, structure, and naturalness scoring.

Writing

AI Regex Generator

Describe what you want to match in plain English. Get the regex instantly.

Developer

Cron Generator

Build cron schedules from plain English or configure visually. Quartz mode included.

Developer

API Tester

Test REST APIs in your browser. JSON formatting, request history.

Developer

AI Text Auditor

Detects AI writing patterns. Risk score, 28-pattern analysis.

Writing

AI Accuracy Tester

Test any LLM on 20 factual questions. Standardized benchmark scoring.

AI Testing

AI Instruction Tester

10 format and constraint compliance tests for AI models.

AI Testing

AI Code Tester

5 Python coding problems with structural scoring.

AI Testing
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