Tools that run in your browser.

Free, instant and private. Nothing you type leaves the page.

AI 5

Prompt Builder

Turn a rough idea into a prompt that gets good answers.

mcpServers

MCP Config Generator

Ready MCP config for Claude, Cursor, VS Code and Windsurf.

# llms.txt

llms.txt Generator

Build the llms.txt file AI assistants read, from your sitemap.

1,284 tokens

Token Counter

Estimate tokens and see if your text fits a context window.

tool_use

AI Tool Schema Builder

Function-calling schemas for OpenAI, Claude and MCP.

Convert and format 5

User[]

JSON to TypeScript

TypeScript interfaces, Zod or JSON Schema from any JSON.

curl -X POST

cURL Converter

Turn a cURL command into fetch, axios or Python.

{ ok }

JSON Formatter

Format, validate and minify JSON, with the exact error spot.

TG91bmdl

Base64 and URL Encoder

Encode and decode Base64 and URL text, Unicode included.

1762000000

Timestamp Converter

Convert Unix time to a readable date and back.

Git and infrastructure 4

reset --soft

Git Command Finder

Say what you want to do; get the exact Git commands.

30 9 * * 1-5

Cron Builder

Cron in plain words, next runs, and systemd, GitHub Actions and Kubernetes versions.

10.0.0.0/16

CIDR Calculator

Subnets, usable hosts, masks and splits for any IPv4 range.

755

chmod Calculator

Linux file permissions in numbers, letters and the command.

Test and check 4

/\w+@\w+/

Regex Tester

Test a regular expression and see every match highlighted.

+ port: 3000

Text Diff

See exactly which lines changed between two texts.

eyJhbGciOi…

JWT Decoder

Read a JSON Web Token and check when it expires.

4.6 : 1

Color and Contrast

Convert colors and check WCAG contrast.

Generate 1

k7#Qm…

Password and UUID Generator

Strong random passwords and UUIDs, made on your device.

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