ToolKit Pro | Free Online Developer Tools

JSON to TypeScript

Convert JSON into TypeScript interfaces and types instantly.

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JSON to Go Struct

Convert JSON into Go structs with proper JSON tags.

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JSON to Python Pydantic

Convert JSON into Python Pydantic model classes.

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JSON to C# Class

Convert JSON into strongly-typed C# classes.

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JSON to Java POJO

Generate standard Java POJO classes from JSON.

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JSON to YAML

Convert JSON structures into YAML config files.

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YAML to JSON

Convert YAML files into standard JSON.

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HTML to JSX

Convert HTML markup into React JSX (class to className, etc).

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CSS to JS Inline Style

Convert CSS declarations into a JS style object for React/Vue.

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cURL to Fetch/Axios

Convert cURL commands into ready-to-use Fetch code.

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CSV to SQL Insert

Convert CSV data into ready-made SQL INSERT statements.

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Markdown to HTML

Convert Markdown syntax into HTML markup.

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HTML to Markdown

Convert simple HTML markup into Markdown syntax.

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XML to JSON

Convert simple XML documents into JSON.

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JSON to XML

Convert JSON into simple XML markup.

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JSON to PHP Array

Convert JSON into a PHP array literal.

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CSV to JSON

Convert CSV data into a JSON array of objects.

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JSON to CSV

Convert a JSON array of objects into CSV.

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Query String to JSON

Convert a URL query string into a JSON object.

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JSON to Query String

Convert a JSON object into a URL query string.

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JavaScript Minifier

Strip extra whitespace and comments from JS code.

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CSS Minifier

Optimize and shrink the size of your stylesheets.

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HTML Minifier

Clean up HTML markup for faster page loads.

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JSON Formatter / Beautifier

Pretty-print and indent minified JSON.

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JSON Minifier

Compress JSON files into a single line to save space.

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Whitespace Stripper

Remove blank lines and extra spaces from any text.

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JWT Decoder

Decode JWT tokens and inspect the Header and Payload.

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Base64 Encoder

Convert plain text into Base64-encoded strings.

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Base64 Decoder

Decode Base64 strings back into plain text.

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URL Encoder

Escape text and special characters for safe use in URLs.

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URL Decoder

Turn URL-encoded strings back into readable text.

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HTML Entities Encoder

Convert special characters into HTML entities like <.

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Unicode Escaper

Convert text into \uXXXX unicode escape sequences.

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Hex to Text

Convert hexadecimal codes into readable ASCII text.

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snake_case to camelCase

Change variable naming style used in your code.

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camelCase to snake_case

Convert camelCase variables into snake_case.

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Slug Generator

Turn titles into clean, URL-friendly slugs.

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Strip Markdown

Remove Markdown syntax and get plain text.

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Text to Binary

Convert text into 8-bit binary code.

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Binary to Text

Convert 8-bit binary code back into text.

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Text to Morse Code

Convert text into Morse code.

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Morse Code to Text

Convert Morse code back into readable text.

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Text to ASCII Codes

Convert text into a list of ASCII/Unicode codes.

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ASCII Codes to Text

Convert ASCII/Unicode codes back into text.

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ROT13 Encoder / Decoder

Encode or decode text using the self-reversible ROT13 cipher.

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Roman Numeral Converter

Convert between numbers and Roman numerals automatically.

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Binary to Decimal

Convert a binary number into decimal.

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Decimal to Binary

Convert a decimal number into binary.

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Hex to Decimal

Convert a hexadecimal number into decimal.

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Decimal to Hex

Convert a decimal number into hexadecimal.

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Octal to Decimal

Convert an octal number into decimal.

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Decimal to Octal

Convert a decimal number into octal.

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Secure Password Generator

Generate strong, random passwords instantly.

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UUID v4 Generator

Generate standard, structured UUID v4 identifiers.

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Dummy Data Generator

Generate fake names, emails and phone numbers for testing.

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Lorem Ipsum Generator

Generate placeholder text for your UI mockups.

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Pseudo-Hash Generator

Generate a lightweight hash-like string for dry-run testing.

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Mock IP Address Generator

Generate a list of random IPv4 addresses for testing.

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Random Number Generator

Generate random numbers within a custom range.

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MAC Address Generator

Generate random MAC addresses for network testing.

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Dice Roller

Roll any number of virtual dice with any number of sides.

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Username Generator

Generate fun, random usernames for testing accounts.

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Short ID Generator

Generate short, random alphanumeric IDs.

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HEX to RGB

Convert hexadecimal color codes into RGB values.

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RGB to HEX

Convert RGB values into a 6-digit hex color code.

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PX to REM

Convert fixed pixel units into relative REM units.

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CSS Box-Shadow Generator

A visual tool to build CSS box shadows.

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Glassmorphism Generator

Generate frosted-glass CSS effects visually.

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CSS Clamp Generator

Build fluid, responsive font-size code using clamp().

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Random Palette Generator

Get a random, ready-to-use color palette for your UI.

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SEO Meta Tag Preview

Preview how your page will appear on Google and social cards.

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SVG to Data URI

Convert SVG code into a CSS background-ready Data URI.

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Aspect Ratio Calculator

Calculate image dimensions for ratios like 16:9 or 4:3.

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CSS Gradient Generator

Visually build a linear-gradient CSS background.

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Color Contrast Checker

Check the WCAG contrast ratio between two colors.

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CSS Border-Radius Generator

Visually build custom rounded corners for any element.

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Cron Expression Humanizer

Translate server cron schedules into plain English.

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Current Unix Timestamp

Show the live Unix timestamp right now.

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Epoch to Date Converter

Convert a Unix timestamp into a standard UTC date.

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Text Statistics Analyzer

Count words, characters and size of any text precisely.

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.env to JSON

Convert project environment variable files into JSON objects.

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Date Difference Calculator

Calculate the number of days between two dates.

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Age Calculator

Calculate exact age in years, months and days from a birth date.

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Day of the Week Finder

Find which day of the week any date falls on.

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HTTP Status Code Lookup

Look up the meaning of any HTTP status code.

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MIME Type Lookup

Look up the MIME type for a file extension.

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Reverse Text

Reverse the characters of your text.

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Remove Duplicate Lines

Remove duplicate lines from a block of text.

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Sort Lines Alphabetically

Sort the lines of a text block alphabetically.

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Shuffle Lines Randomly

Randomly shuffle the order of lines in your text.

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Word Frequency Counter

Count how many times each word appears in a text.

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Remove Extra Spaces

Collapse multiple spaces into a single space.

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Line Numberer

Add line numbers to the start of each line.

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Remove HTML Tags

Strip all HTML tags and return plain text.

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Extract Emails From Text

Find and extract every email address in a block of text.

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Extract URLs From Text

Find and extract every URL in a block of text.

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Palindrome Checker

Check whether a word or phrase is a palindrome.

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Anagram Checker

Check whether two comma-separated words are anagrams.

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Title Case Converter

Convert text to Title Case.

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UPPERCASE Converter

Convert text to UPPERCASE.

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