A focused set of developer utilities for formatting code, converting data, debugging issues, and handling everyday development tasks with ease.
Generate clean Apache .htaccess redirect rules in seconds.
Calculate request limits per second, minute, or hour for APIs.
Estimate API response time based on payload size and network speed.
Browse and search the full ASCII character table.
Convert ASCII text into hexadecimal values.
Find the aspect ratio from width and height values.
Encode and decode Base32 text instantly.
Convert text into Base58 encoding instantly.
Decode Base64 strings into text or files.
Convert text to and from Base64 with Unicode and URL-safe options.
Estimate original file size from Base64 encoded data.
Convert instantly between text and binary with clean, simple precision.
Convert CMYK color values into accurate RGB output for design or development.
Generate SHA and MD5 checksums for text or files.
Compare two code snippets and highlight added or removed lines.
Parse a raw cookie header into clean JSON format.
Check and understand CORS headers in HTTP responses.
Generate cron expressions for scheduled jobs and tasks.
Generate a Content Security Policy header for your website.
Format and clean messy CSS instantly.
Strip comments and whitespace from your CSS for quick cleanup.
Convert between CSS units like px, rem, em, %, vw, and vh.
Profile CSV columns to see types, missing values, unique counts, and quick stats.
Upload or paste CSV to preview it instantly.
Convert CSV data into structured JSON format instantly.
Build curl commands for HTTP requests quickly and correctly.
Calculate DPI from pixel size and print dimensions.
Build a clean .env file for local development and deployment.
Pull out link anchor text from any HTML snippet.
Extract IPv4 and IPv6 addresses from any text instantly.
Generate JavaScript fetch API requests for HTTP calls.
Extract file extensions from a list of filenames or paths.
Check your heading structure and outline to spot SEO and readability issues fast.
Paste HTML, CSS, and JavaScript and see a live preview instantly.
Generate secure SHA256, SHA384, or SHA512 hashes directly in your browser.
Convert hexadecimal text into readable ASCII.
Convert HSL values to RGB and HEX with live sliders and a color preview.
Generate common .htaccess rules for Apache servers.
Clean and format messy HTML with one click.
Encode and decode HTML entities with advanced options.
Encode and decode HTML entities safely for web use.
Clean and compress HTML by removing comments and extra spaces.
Convert HTML code to Markdown text quickly and cleanly.
Learn what each HTTP method does and when to use it.
Build custom HTTP request headers for APIs and testing.
Analyze and explain HTTP response headers.
Understand HTTP response status codes and what they mean.
Find the correct HTTP status code based on real world situations.
Validate IPv4 and IPv6 addresses instantly.
Convert JPG, PNG, or GIF images to Base64 instantly — right in your browser.
Convert inches to pixels using any DPI value.
Count internal links on a webpage or HTML snippet.
Convert between multiple ISO date and time formats instantly.
Validate, format, and minify JSON instantly — all in your browser.
Decode JSON Web Tokens (JWT) locally and securely — no data leaves your browser.
Format and beautify messy JavaScript instantly.
Quickly remove comments and whitespace from JavaScript code.
Format and clean messy JSON instantly.
Compare two JSON objects and highlight differences.
Analyze the maximum nesting depth of keys in JSON data.
Remove all whitespace to minify JSON for fast loading.
Analyze the size of JSON data in bytes, KB, and MB.
Convert JSON arrays into CSV format for spreadsheets.
Convert JSON into GraphQL type definitions instantly.
Convert JSON into TypeScript interfaces instantly.
Convert JSON to YAML instantly in your browser — secure and fast.
Convert JSON data into a Zod validation schema.
Create signed or unsigned JSON Web Tokens in your browser.
Check when a JSON Web Token expires and how much time remains.
Clean, format, and tidy Kubernetes YAML manifests.
Clean and format messy markdown instantly.
Write and preview Markdown instantly with a side by side live HTML preview.
Convert Markdown text into clean, minimal HTML instantly.
Generate correct meta robots tags to control how search engines crawl and index your pages.
Generate a basic Nginx server configuration in seconds.
Format and validate phone numbers for any country worldwide.
Create and customize beautiful QR codes with color and transparency options.
Generate fake, realistic looking postal addresses for testing forms and apps.
Generate multiple strong random passwords at once.
Quick reference guide for common regular expression patterns.
Escape or unescape text for safe use in regular expressions.
Visually build and test regular expressions with live previews.
Test and debug JavaScript regular expressions instantly.
Plan and document REST API endpoints clearly and consistently.
Convert between RGB and HEX color values with a live preview swatch.
Encode or decode text using the ROT13 substitution cipher.
Convert titles or text into clean, SEO friendly URL slugs.
Format and beautify messy or minified SQL instantly.
Convert SRT subtitle files into WebVTT format instantly.
Convert indentation between tabs and spaces instantly.
Convert timestamps into human readable time ago values.
Inspect Unicode characters to see code points, UTF-16 units, and numeric values.
Decode URL encoded text, parameters, and special characters.
Encode and decode text for safe use in URLs.
Paste multiple URLs and open them all at once.
Create clean SEO friendly URL slugs instantly.
Detect browser, OS, and device details from a user agent string.
Generate multiple UUIDs instantly for development and testing.
Generate multiple RFC 4122 v4 UUIDs instantly and copy them with one click.
Convert VTT subtitle files into SRT format instantly.
Format and clean messy XML instantly.
Format and clean messy YAML with one click.
Convert YAML text to clean, formatted JSON right in your browser.
