DevToolBox

Convert text case: UPPER, lower, Title, camel, Pascal, etc.

Compare two code blocks to see the differences.

Compare two strings to find their similarity score.

Count characters, words, lines, and paragraphs in your text.

Calculate text size in bytes, KB, MB with different encodings.

Validate string length against min/max requirements.

Remove duplicate lines or values from text.

Sort text lines alphabetically, numerically, or naturally.

Find and replace text using regular expressions.

Test and debug regular expressions with highlighting.

Test CSS selectors against an HTML document.

Reverse text, words, or lines with Unicode support.

Remove empty or whitespace-only lines from text.

Add or remove line numbers with formatting options.

Wrap text to a specified line length with various options.

Trim whitespace, normalize spaces, and convert tabs.

Analyze text to find the most common words and visualize their frequency.

A full-featured editor with syntax highlighting and more.

Convert text to speech with voice and speed controls.

Create Markdown tables with a grid interface.

Generate a project README file using AI.

Generate license files from popular templates.

Create SEO and social media meta tags for your website.

Create and customize a robots.txt file for search engine crawlers.

Create a sitemap.xml file from a list of URLs.

Convert numbers between decimal, hexadecimal, binary, and octal.

Convert timestamps, format dates, and more.

View the current time in cities around the world.

Look up IANA timezone information and UTC offsets.

Calculate the duration between two dates and times.

Calculate age from a date of birth.

Validate, analyze, and generate cron expressions.

Experiment with HTML, CSS, and JS in a live environment.

Create custom schemas to generate realistic fake data for your applications.

Generate mock API responses from a JSON schema.

Generate random strings, passwords, and numbers.

Generate and validate universally unique identifiers.

Generate and validate lexicographically sortable IDs.

Generate RSA public/private key pairs.

Create strong, secure, and random passwords.

Generate and scan QR codes.

Generate various types of barcodes.

Extract EXIF and other metadata from images.

Convert an image to a Base64 data URI.

Extract text content from digital PDF files.

Identify file types by their magic number signature.

Pick colors, convert formats, and create harmonies.

Construct and send HTTP requests from your browser.

Explore schemas and execute GraphQL queries.

Format GraphQL queries with syntax highlighting.

Validate GraphQL schema syntax and structure.

Compare two schemas and find breaking changes.

Generate GraphQL queries from a natural language prompt.

Generate mutations and TypeScript types from a schema.

Test WebSocket connections in real-time.

Convert cURL commands to code in various languages.

Convert Postman collections to cURL commands.

Evaluate XPath expressions against an XML/HTML document.

Filter and transform JSON data using jq queries.

Validate SQL query syntax for different dialects.

Get AI-driven reviews of your SQL code for best practices.

Get AI-powered analysis to rewrite queries and improve indexing.

Get AI-powered suggestions to optimize database indexes.

Compare two schemas and generate migration scripts.

Convert SQL queries/schemas to NoSQL equivalents.

Generate realistic test data from a SQL schema.

Generate backup and restore scripts for your database.

Construct connection strings for various databases.

Generate documentation and ERDs from a SQL schema.

Compare two schemas and get AI-generated migration scripts.

Format or transform JSON, XML, YAML, CSV, HTML, CSS, JS and SQL.

Format, minify, and validate JSON data.

Escape or unescape a JSON string for embedding.

Find paths by value or evaluate JSONPath expressions.

Generate a JSON Schema from a sample JSON object.

Convert JSON data into XML format with formatting options.

Convert JSON arrays to CSV format with custom delimiters.

Deep merge two JSON objects with array handling options.

Visually compare two JSON objects to see the differences.

Validate JSON data against a custom schema.

Format and validate XML data.

Convert data between YAML and JSON formats.

Parse and view CSV data in a table.

Format, minify, and preview HTML code.

A tool to format, beautify, or minify CSS code, making it more readable or compact for production environments.

Format and minify JavaScript code.

Format SQL queries for various dialects.

Write Markdown with a live preview.

Convert TOML data to JSON format.

Convert .properties file data to JSON.

Convert INI file data to JSON.

Base64, URL, HTML, Unicode, Hex, Binary, and HASH functions.

Encode and decode Base64 strings.

Encode and decode URL components.

Encode and decode HTML entities.

Encrypt and decrypt text using the AES algorithm.

Convert text to/from Unicode escape sequences.

Convert text to/from its hexadecimal representation.

Convert text to/from its binary representation.

Convert text to ASCII codes and back again.

Generate MD5, SHA1, SHA256, SHA512 hashes.

Decode and verify JSON Web Tokens.

Apply a Caesar cipher with a custom rotation.

Convert text to Morse code and listen to audio.

Convert domains to and from Punycode for IDNs.

Check if an email address is valid and well-formed.

Validate and format international phone numbers.

Validate credit card numbers for format and checksum.

Generate valid, test-only credit card numbers.

Validate International Bank Account Numbers.

Validate and convert ISBN-10 and ISBN-13 numbers.

Validate International Standard Serial Numbers.

Validate and decode Vehicle Identification Numbers.

Validate and classify IPv4 and IPv6 addresses.

Calculate network details from an IP and subnet mask.

Validate MAC addresses and lookup vendors.

Validate Social Security Number formats.

Look up HTTP status codes and their meanings.

Look up MIME types and their corresponding file extensions.

Generate and parse User-Agent strings.

Generate READMEs, migration guides, and test cases with AI.

File size conversion, checksum verification, IP validation.

Generate test scripts and deployment files with AI.