Tool category

Development

Use paste-first utilities for JSON, SQL, regular expressions, timestamps, environment files, HTTP requests, and other repeatable development tasks. Outputs stay easy to review and copy.

14 tools

Choose a task

Formatters, encoders, parsers, code helpers.

UUID Generator

Generate UUID v4 batches locally.

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JSON Formatter

Format, minify, validate, and copy JSON locally.

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.env Parser / Sorter

Sort, inspect, mask, and copy .env files locally.

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Random Port Generator

Generate random development ports from safe local ranges.

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Crontab Generator

Build cron expressions with readable schedule previews.

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Git Cheatsheet

Browse common Git commands by workflow and copy examples.

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Regex Tester

Test regular expressions against sample text locally.

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Unix Time Converter

Convert Unix timestamps to readable dates and back.

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JSON / CSV Data Converter

Parse, clean, reorder, and export JSON, CSV, TSV, and Markdown tables locally.

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JSONPath Tester

Test JSONPath-style expressions against JSON payloads locally.

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SQL Formatter

Format SQL queries for readable reviews and documentation.

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Email Normalizer

Normalize, dedupe, and compare email address lists locally.

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cURL Builder

Build shell-safe cURL commands from method, URL, headers, and body.

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HTTP Request Diff

Compare two raw HTTP requests by method, URL, headers, and body.

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Workflows

Format and validate

Work with JSON, SQL, tables, environment variables, and email lists.

Generate and inspect

Create identifiers and schedules or inspect expressions, timestamps, and requests.

Quick answers

Should generated output be committed without review?

No. Review syntax, secrets, environment assumptions, and project-specific rules before committing or deploying.