ToolsVault

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Color Converter

Convert between HEX, RGB, and HSL color formats.

color converter design utilities

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Contrast Checker

Check WCAG color contrast ratios.

contrast wcag color accessibility design

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Emoji & Kaomoji Board

Copy emojis and kaomoji instantly.

emoji kaomoji design

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Image to Base64

Convert images to data URLs and back.

image base64 converter design

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Color Palette Generator

Generate harmonious color palettes.

palette color generator design

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SVG Optimizer

Minify SVG markup.

svg optimizer minify design

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Number Base Converter

Convert numbers between binary, octal, decimal and hex.

base binary hex converter

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Base64 Tool

Encode and decode Base64 strings instantly.

base64 encoder decoder utilities

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Case Converter

Convert text between naming cases.

case text converter

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chmod Calculator

Compute Unix file permissions from numeric or symbolic mode.

chmod permissions unix converter

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CSV ↔ JSON Converter

Convert between CSV and JSON.

csv json converter

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GraphQL ↔ JSON Converter

Convert GraphQL queries to JSON and back.

graphql json converter

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HTML Entities Converter

Encode and decode HTML entities.

html entities encoder converter

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JSON ↔ XML Converter

Convert between JSON and XML.

json xml converter

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JSON ↔ YAML Converter

Convert between JSON and YAML instantly.

json yaml converter

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Markdown ↔ HTML Converter

Convert Markdown to HTML and HTML to Markdown.

markdown html converter

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Roman Numeral Converter

Convert between Roman numerals and numbers.

roman numeral converter

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SQL ↔ JSON Converter

Convert SQL INSERT statements to JSON and back.

sql json converter

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Timestamp Converter

Convert between Unix timestamps and human-readable dates.

timestamp unix date converter

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Units Converter

Convert between common units of measurement.

units converter measurement

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URL Tool

Encode and decode URLs and query strings.

url encoder decoder utilities

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Button Generator

Generate CSS buttons with live preview.

button css generator design

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Changelog Generator

Generate a Keep a Changelog entry.

changelog generator markdown

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Dummy JSON Generator

Generate random JSON fixtures for testing.

json dummy generator fixtures

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.env Example Generator

Generate a .env.example template.

env generator config

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.gitignore Generator

Generate .gitignore files for common stacks.

gitignore git generator

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CSS Gradient Generator

Create CSS linear gradients.

gradient css generator design

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Hash Generator

Generate SHA-1/256/384/512 hashes.

hash sha generator security

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JWT Generator & Debugger

Create and decode HS256 JSON Web Tokens.

jwt generator security debugger

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RSA Key Pair Generator

Generate RSA key pairs in PEM and OpenSSH format.

rsa ssh key generator security

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License File Generator

Generate open-source LICENSE files.

license generator legal

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Lorem Ipsum Generator

Generate placeholder text for designs and layouts.

lorem ipsum placeholder text

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Meta Tags Generator

Generate Open Graph and Twitter meta tags.

meta og generator seo

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Passphrase Generator

Generate memorable passphrases from random words.

passphrase password generator security

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QR Code Generator

Generate QR codes from any text or URL.

qr generator

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Random Generator

Generate random integers and roll dice.

random dice generator

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README Generator

Generate a clean README template.

readme generator markdown

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robots.txt Generator

Generate a robots.txt file.

robots generator seo

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UUID Generator

Generate RFC 4122 version 4 UUIDs.

uuid generator

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Scientific Calculator

A scientific calculator in your browser.

calculator math

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Random Choice Picker

Pick a random item from a list.

random picker decision math

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CSV Summary

Summarize and profile a CSV file.

csv summary data math

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Percentage Calculator

Solve common percentage problems.

percentage calculator math

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Statistics Calculator

Compute descriptive statistics for a dataset.

statistics math data

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AES Encrypt / Decrypt

Encrypt and decrypt text with AES-GCM.

aes encryption security

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Hash Identifier

Identify the algorithm of a hash string.

hash identifier security

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HMAC Generator

Generate HMAC signatures with the Web Crypto API.

hmac generator security

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JWT Debugger

Decode and verify JSON Web Tokens.

jwt debugger security

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Password Generator

Generate secure random passwords with custom options.

password generator security utilities

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Password Strength Checker

Check the strength and entropy of a password.

password strength security

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Find & Replace

Find and replace text with regex support.

find replace regex text

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Lines Toolkit

Sort, dedupe, reverse and shuffle lines.

lines sort dedupe text

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Markdown Table Generator

Generate Markdown tables from rows.

markdown table generator text

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Slugify

Convert text into URL-friendly slugs.

slug url text

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Text Diff

Compare two blocks of text line by line.

diff compare text

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Text Reverser

Reverse text, words or lines.

reverse text

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Whitespace Cleaner

Trim and normalize whitespace in text.

whitespace text cleaner

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Word & Character Counter

Count words, characters and lines in text.

counter words text characters

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Cron Parser

Parse cron expressions and preview next runs.

cron scheduler web

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cURL Command Builder

Build cURL commands from request fields.

curl http generator web

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HTTP Headers Viewer

Fetch a URL and inspect its response headers.

http headers web

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HTTP Status Codes

Reference of HTTP status codes.

http status reference web

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JSON to Interface Generator

Generate TS, Go and C# types from JSON.

json interface types generator web

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JSON Formatter

Beautify, minify, and validate JSON directly in your browser.

json formatter developer-tools

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MIME Type Lookup

Look up MIME types and file extensions.

mime lookup web

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Open Graph Preview

Preview how a URL's link preview will look.

og preview social web

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Regex Tester

Test JavaScript regular expressions live.

regex tester web

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User-Agent Parser

Parse a user-agent string into browser, OS and device.

user-agent parser web

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