Developer tools for you and your AI agent.

13 free browser tools. An open-source MCP server with 24 tools for AI coding agents. Guides to help you build your own. No accounts, no tracking.

MCP Server for AI Agents

Give your coding agent HTTP requests, DNS lookups, SSL checks, crypto hashing, and regex execution. Free, open source.

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npx trim-dev-tools-mcp

Guides

What is MCP? The protocol explained in 5 minutes Set Up an MCP Server Install and configure in 2 minutes Build Your Own Create an MCP server from scratch Monetize Your Server Pricing, freemium, and platforms Find a Boring Business $100K/yr compliance niches, with data

Browser Tools

JSON Formatter

Format, validate, and minify JSON with instant feedback.

Password Generator

Strong random passwords with configurable length and character sets.

JWT Decoder

Decode JSON Web Tokens. Inspect header, payload, and claims.

Word Counter

Count words, characters, sentences, and reading time.

Base64 Encode / Decode

Convert text to and from Base64 encoding.

Regex Tester

Test regular expressions with live match highlighting.

UUID Generator

Generate v4 UUIDs. One at a time or in bulk.

Hash Generator

Compute MD5, SHA-1, SHA-256, and SHA-512 hashes.

Epoch Converter

Convert between Unix timestamps and human-readable dates.

Cron Expression Parser

Explain cron schedules in plain English with next run times.

URL Encoder / Decoder

Encode and decode URI components.

Color Converter

Convert between HEX, RGB, and HSL formats.

Lorem Ipsum Generator

Placeholder text by the paragraph, sentence, or word.