Developer Library

🤖

AI Regex Generator

Describe a pattern, get a regex

🤖

AI SQL Generator

Describe a query in plain English

🤖

AI JSON Fixer

Fix broken JSON with AI

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AI Commit Message

Generate commit messages from diffs

🤖

AI Code Explainer

Get plain-English code explanations

🤖

AI API Docs

Generate API documentation from code

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JSON Formatter

Format and prettify JSON

📜

XML Formatter

Format and prettify XML

🗃

SQL Formatter

Format and prettify SQL queries

🗃

LINQ ↔ SQL

Convert between LINQ and SQL

📄

HTML to Text

Convert HTML to plain text

🔁

YAML ↔ JSON

Convert between YAML and JSON

📊

CSV ↔ JSON

Convert between CSV and JSON

🛠

JSON to Class

Convert JSON to C#, TS, Python, Java, Go, Rust

🛠

XML to Class

Convert XML to classes with annotations

⏱

Quartz Job Data Decoder

Decode Quartz JOB_DATA blobs

🔗

URL Encode/Decode

Percent-encoding for URLs

🔗

URL Parser

Break URL into components

🔄

Base64

Encode and decode Base64

🔗

URL Encode/Decode

Percent-encoding for URLs

🔧

HTML Encode/Decode

Encode or decode HTML entities

🔓

JSON Escape/Unescape

Escape or unescape JSON strings

🌐

Unicode Converter

Text to Unicode escapes and codepoints

🔢

Binary/Hex Converter

Convert between text, binary, hex, decimal

🔑

JWT Decoder

Decode and inspect JWT tokens

🔒

Hash Generator

Generate MD5, SHA-256 and more

🛡

HMAC Generator

Generate HMAC signatures

🔍

JWT Inspector

Decode and inspect JWT claims

🗝

RSA Key Generator

Generate RSA key pairs (PEM)

🔐

Encryption/Decryption

AES-256 encrypt and decrypt text

🔐

Password Generator

Generate secure random passwords

✏

Text Formatter

Endless formatting options

📋

Diff Checker

Compare two texts side by side

🔎

Regex Tester

Test patterns with full breakdown

📄

Markdown Preview

Render markdown to HTML

📝

Word/Char Counter

Detailed text statistics

📜

String Escape

Escape strings for C#/Java

🔒

ROT13 / Caesar

Simple text obfuscation

📝

Lorem Ipsum

Generate placeholder text

🔀

UUID Generator

Generate random UUIDs/GUIDs

👤

Fake Data Generator

Generate fake names, emails, addresses

🔢

Number to Words

Convert numbers to English words

🕐

Epoch Converter

Convert Unix timestamps and dates

🌎

Timezone Converter

Convert time between timezones

🎂

Age Calculator

Calculate age with detailed breakdown

⏰

Cron Parser

Parse and explain cron expressions

⏰

Crontab Generator

Build cron expressions visually

📅

Date Difference

Calculate days between two dates

🚀

API Tester

Send HTTP requests and inspect responses

🌐

IP Lookup

Get geolocation info for an IP

🗎

DNS Lookup

Resolve hostnames to IP addresses

🔌

Port Checker

Check if ports are open

🔒

SSL Checker

Inspect SSL certificates

📡

HTTP Headers

View response headers for any URL

🕵

User Agent Parser

Parse browser and OS from UA string

🔌

Subnet Calculator

CIDR/subnet math

📋

HTTP Status Codes

Reference lookup

📶

Ping Tool

Ping a host and measure latency

🖼

Images to PDF

Combine images into a single PDF

📃

PDF Merge

Combine multiple PDFs into one

✂

PDF Split

Extract pages from a PDF

📷

Image Compression

Compress images with quality control

🔮

Image Resize

Resize images to custom dimensions

📄

File Hashing

Compute MD5/SHA hashes of files

📸

EXIF Viewer

View image metadata and EXIF data

🗎

Text Extraction

Extract text content from files

▦

QR Generator

Generate QR codes from text or URLs

▌

Barcode Generator

Generate Code 128 barcodes

🎨

Color Palette

Generate color palettes and schemes

🎨

Gradient Generator

CSS gradient builder

🎨

Box Shadow Generator

CSS box-shadow builder

📏

CSS Unit Converter

px/rem/em/vh conversion

🔍

JSON Path Tester

Query JSON with JSONPath

🔍

XPath Tester

Query XML with XPath

📄

.env Editor

Parse/edit environment files

🔒

Chmod Calculator

Unix permissions calculator

🛠

Git Command Builder

Visual git command helper

🔢

Number Base Converter

Any base to any base (2-36)

🔢

Percentage Calculator

Common % calculations

📏

Unit Converter

Length/weight/temp/speed/data

📋

JSON Schema Validator

Validate JSON against schema

🗃

JSON to SQL

Generate CREATE TABLE from JSON

🗃

Test Data (SQL)

Generate INSERT statements

🔌

Connection String Builder

Build DB connection strings

📦

Docker Compose

Generate docker-compose.yml

📄

.gitignore Generator

Generate for different stacks

📄

README Generator

Generate README.md templates

🔎

Regex to Code

Convert regex to C#/JS/Python/Java/Go

🕐

Timestamp Debugger

Decode various timestamp formats

📋

Stack Trace Parser

Parse and prettify stack traces

📋

Log Parser

Parse and filter log files

🔑

JWT Builder

Create JWT tokens with HMAC

🔢

GUID Validator

Validate and parse GUID formats

🔢

Semver Comparator

Compare semantic versions

🔢

ASCII Table

Searchable reference

🎨

Color Contrast (WCAG)

Check accessibility compliance

🔌

Nginx Config

Generate nginx.conf blocks

📦

Kubernetes YAML

Build k8s manifests visually

🔒

CSP Header Builder

Build Content-Security-Policy

🔒

CORS Header Builder

Build Access-Control headers

🗃

SQL to MongoDB

Convert SQL to MongoDB syntax

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JSON Flattener

Flatten/unflatten nested JSON

📝

ASCII Art

Convert text to ASCII banners