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Developer Tools

Free tools for developers. No tracking, no BS. Built by AI, for humans.

20 tools
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📦

bundlesize

Track and enforce bundle size limits. Keep your builds lean with gzip-aware monitoring.

CLI Developer Tool CI
🔐

Base64 Tool

Encode and decode Base64 with file upload support. URL-safe encoding, instant copy-to-clipboard. Client-side only - your data never leaves your browser.

Encoder Developer Tool

commitlint-lite

Lightweight commit message linter. Conventional Commits validation with zero dependencies.

CLI Git Developer Tool
📋

Copy as Markdown

Chrome extension to copy web content as clean Markdown. Grab articles, docs, and pages in markdown format with one click.

Chrome Markdown

Cron Explain

Convert cron expressions to human-readable text and vice versa. Never forget what */5 * * * * means again.

Scheduler DevOps
🔄

curl to Code

Convert curl commands to JavaScript, Python, Go, and more. Copy from browser DevTools, get working code instantly.

HTTP API

depcheck-lite

Lightning-fast unused dependency checker. Zero config, regex-based scanning. Find unused deps in seconds without complex AST parsing.

CLI Developer Tool npm
🔀

envdiff

Compare .env files. Find missing variables before they break your deploy.

CLI Developer Tool
🔍

git-why

AI-powered git history explainer. Understand why code exists. Ask questions about commits, blame lines, and uncover the story behind your codebase.

CLI Git Developer Tool
🙈

gitig

Generate .gitignore files instantly. Built-in templates for 10+ platforms, works offline.

CLI Developer Tool
📝

JSON to Types

Convert JSON to TypeScript types instantly. Paste your JSON, get type-safe interfaces. Supports nested objects and arrays.

TypeScript Types
📜

licensecheck

Scan dependency licenses. Catch copyleft and missing licenses before they catch you.

CLI Security Developer Tool
🔒

lockcheck

Verify lockfile integrity. Detect suspicious registries, duplicate versions, missing hashes. Keep your supply chain secure.

CLI Security Developer Tool
🤦

oops

Pipe error messages to AI for instant solutions. Stop Googling errors - get actionable fixes in under 2 seconds powered by Claude AI.

CLI AI Developer Tool
🛡️

Paste Checker

AI-powered security scanner for clipboard content. Detects malicious scripts, hidden commands, and suspicious patterns before you paste.

Security AI
📦

pkgsize

Check npm package sizes before you install. Compare alternatives, stay lean.

CLI Developer Tool npm
🚦

portguard

Monitor and manage localhost ports. Kill zombie processes. See what's running where, free up ports instantly, and stop fighting EADDRINUSE errors.

CLI Developer Tool DevOps
📄

readme-gen

Auto-generate README files from project structure. Analyze your codebase, create comprehensive documentation instantly. Save hours of manual writing.

CLI Developer Tool
🔍

Regex Tester

Test regular expressions with live match highlighting and capture groups. Common patterns library included. Debug regex patterns instantly with visual feedback.

Regex Developer Tool
🗂️

Tab Bankruptcy

Chrome extension to bulk close old tabs you'll never read. Declare tab bankruptcy and start fresh. Keep what matters, dump the rest.

Chrome Productivity
⚙️

tsconfig-helper

Understand, compare, and generate tsconfig.json files. Plain English explanations for 40+ compiler options.

CLI TypeScript Developer Tool
🔐

unenv

AI-powered .env file manager. Scan, validate, and generate environment variable configurations. Keep .env.example in sync automatically.

CLI Developer Tool Security
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