App DevTools - Free Online DevTools

Text Tools

Word Counter

Instantly count words, characters, and lines in text as you type. Support multiple languages.

Case Converter

Convert text to different letter cases with ease, such as lowercase, UPPERCASE, camelCase, CONSTANT_CASE, PascalCase, and more.

Line Sorter

Sort lines alphanumerically and/or case-insensitively, reverse lines, shuffle lines, and add line numbers to text. Works instantly in the browser.

Whitespace Remover

Remove leading and trailing whitespace characters, such as spaces and tabs, from each line of code or text for better readability while preserving content.

Lorem Ipsum Generator

Generate Lorem Ipsum.

Text to HEX Converter

Convert text to HEX.

HEX to Text Converter

Convert HEX to text.

URL Tools

URL Parser

Parse a URL and split the query string into individual components for easier inspection.

URL Encoder

Encode special characters in URLs and query strings to create safe links for browsers and APIs.

URL Decoder

Decode percent-encoded URLs and query strings to readable text.

Slug Generator

Generate SEO-friendly URL slugs from text, also known as slugifying, to make your URLs more readable for your visitors and search engines. Works instantly in the browser as you type.

HTML Tools

HTML Formatter

Beautifully format HTML code with ease for better readability and inspection.

HTML Minifier

Minify HTML code to reduce file size for use in production.

HTML Encoder

Encode HTML entities.

HTML Decoder

Decode HTML entities.

HTML Escape

Escape common problematic HTML entities to prevent XSS attacks.

HTML Unescape

Unescape common problematic HTML entities.

HTML Validator

Validate HTML code against W3C standards and get line-by-line error reports for easy debugging.

HTML Stripper

Strip text from HTML tags.

Markdown Tools

Markdown Editor

Edit Markdown with live preview and syntax highlighting.

Markdown to HTML Converter

Convert Markdown to HTML.

HTML to Markdown Converter

Convert HTML to Markdown.

CSS Tools

CSS Beautifier

Beautifully format CSS code with ease for better readability and inspection.

CSS Minifier

Minify CSS code to reduce file size for use in production.

CSS Validator

Validate CSS code to check for syntax errors and get line-by-line error reports for easy debugging.

JavaScript Tools

JavaScript Beautifier

Beautifully format JavaScript code for better readability and inspection.

JavaScript Minifier

Minify JavaScript code to reduce file size for use in production.

JavaScript Escape

Escape JavaScript string.

JavaScript Unescape

Unescape JavaScript string.

JSON Tools

JSON Formatter

Beautifully format JSON data for better readability and inspection.

JSON Minifier

Minify JSON data to reduce file size for use in production.

JSON Escape

Escape JSON string.

JSON Unescape

Unescape JSON string.

JSON Validator

Validate JSON data to check for syntax errors and get detailed error reports for easy debugging.

XML Tools

XML Formatter

Beatifully format XML data for better readability and inspection.

XML Minifier

Minify XML data to reduce file size for use in production.

XML Encoder

Encode XML entities.

XML Decoder

Decode XML entities.

XML Escape

Escape XML string.

XML Unescape

Unescape XML string.

XML Validator

Validate XML data and schemas for syntax and structure errors and get detailed error reports for easy debugging.

XML to JSON Converter

Convert XML data to JSON.

JSON to XML Converter

Convert JSON data to XML.

YAML Tools

YAML Validator

Validate YAML data for syntax errors and get detailed error reports for easy debugging.

YAML to JSON Converter

Convert YAML data to JSON.

JSON to YAML Converter

Convert JSON data to YAML.

CSV Tools

CSV to JSON Converter

Convert CSV data to JSON.

JSON to CSV Converter

Convert JSON data to CSV.

PHP Tools

PHP Array to JSON Converter

Convert PHP array to JSON.

JSON to PHP Array Converter

Convert JSON data to PHP array.

Database Tools

SQL Formatter

Beautifully format SQL code for better readability and inspection.

SQL Minifier

Minify SQL code to reduce file size for use in production.

SQL Escape

Escape SQL string to prevent SQL injection.

Randomizers

Password Generator

Securely generate strong random passwords.

Passphrase Generator

Securely generate strong random passphrases.

PIN Generator

Securely generate random PINs (Personal Identification Number).

UUID Generator

Generate UUID.

Base32 Tools

Base32 Encoder

Encode text to base32.

Base32 Decoder

Decode base32 to text.

Base32 to HEX Converter

Convert base32 to HEX.

HEX to Base32 Converter

Convert HEX to base32.

Base58 Tools

Base58 Encoder

Encode text to base58.

Base58 Decoder

Decode base58 to text.

Base58 to HEX Converter

Convert base58 to HEX.

HEX to Base58 Converter

Convert HEX to base58.

Base64 Tools

Base64 Encoder

Encode text to base64.

Base64 Decoder

Decode base64 to text.

Base64 to HEX Converter

Convert base64 to HEX.

HEX to Base64 Converter

Convert HEX to base64.

Base64 to Image Converter

Convert base64 to image.

Image to Base64 Converter

Convert image to base64.

Hash Generators

MD5 Hash Generator

Generate MD5 hashes from text.

SHA-1 Hash Generator

Generate SHA-1 hashes from text.

SHA-224 Hash Generator

Generate SHA-224 hashes from text.

SHA-256 Hash Generator

Generate SHA-256 hashes from text.

SHA-384 Hash Generator

Generate SHA-384 hashes from text.

SHA-512 Hash Generator

Generate SHA-512 hashes from text.

SHA-3 Hash Generator

Generate SHA-3 hashes from text.

RIPEMD-160 Hash Generator

Generate RIPEMD-160 hashes from text.

HMAC Generators

MD5 HMAC Generator

Generate MD5 HMACs from text.

SHA-1 HMAC Generator

Generate SHA-1 HMACs from text.

SHA-224 HMAC Generator

Generate SHA-224 HMACs from text.

SHA-256 HMAC Generator

Generate SHA-256 HMACs from text.

SHA-384 HMAC Generator

Generate SHA-384 HMACs from text.

SHA-512 HMAC Generator

Generate SHA-512 HMACs from text.

SHA-3 HMAC Generator

Generate SHA-3 HMACs from text.

RIPEMD-160 HMAC Generator

Generate RIPEMD-160 HMACs from text.

Bcrypt Tools

Bcrypt Generator

Securely generate strong bcrypt hashes from text.

Bcrypt Checker

Securely verify passwords against bcrypt hashes. Paste a bcrypt hash and password to check if they match. Works instantly in the browser.

QR Code Tools

QR Code Generator

Generate QR code from text. Enter text, click the generate button, and save the QR Code image to your computer. Works instantly in the browser.

QR Code to Text Converter

Extract text from QR code. Browse a QR code image from your computer to extract the text data inside without uploading it. Works instantly in the browser.