Developer Tools
Browse every developer tool on the site. Each one runs entirely in your browser and is free to use.
AES Encryption Tool
Encrypt and decrypt text using AES-256 with Web Crypto API.
API Response Formatter
Format and pretty-print API responses in JSON, XML, and YAML.
Barcode Generator
Generate Code128, EAN-13, and UPC-A barcodes from text or numbers.
Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 strings back to plain text.
Box Shadow Generator
Design CSS box shadows visually with controls for offset, blur, spread, and color. Copy the CSS.
Chmod Calculator
Toggle Unix file permission bits and get the numeric and symbolic chmod notation instantly.
Color Converter
Convert colors between HEX, RGB, and HSL formats with a live visual preview.
Cron Expression Generator
Build cron schedules visually with a human-readable preview. Supports standard 5-field cron syntax.
CSS Gradient Generator
Build beautiful linear and radial CSS gradients with a visual picker. Copy the CSS code instantly.
CSS Minifier
Minify CSS to reduce file size or beautify minified CSS for readability.
cURL to Code Converter
Convert cURL commands to JavaScript fetch, Python requests, PHP, and more.
Env File Editor
Parse, edit, and validate .env environment files with secret masking.
Fake / Mock Data Generator
Generate realistic fake names, emails, addresses, UUIDs, and more for testing.
Favicon Generator
Generate favicons from text or emoji with customizable background color, size, and font.
Git Command Builder
Build complex git commands visually with explanations for each flag.
Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from any text input.
HMAC Generator
Generate HMAC signatures using SHA-256, SHA-384, and SHA-512.
HTML Entity Encoder
Encode special characters to HTML entities or decode HTML entities back to text.
HTML Table Generator
Visual table builder with HTML and Markdown export.
HTML to Markdown Converter
Paste HTML and get clean Markdown output. Handles headings, links, images, lists, bold, and italic.
Image to Base64
Convert images to Base64 data URIs for embedding directly in HTML or CSS.
Image to Base64 Converter
Convert images to base64-encoded data URIs for embedding directly in HTML or CSS.
JSON Formatter
Prettify, minify, and validate JSON data with syntax highlighting and error detection.
JSON Path Finder
Paste JSON and click nodes to find JSONPath expressions.
JSON Schema Generator
Auto-generate JSON Schema from a JSON sample with type inference and validation rules.
JSON to CSV Converter
Convert JSON arrays to CSV format and vice versa. Download as a .csv file.
JWT Decoder
Decode and inspect JSON Web Tokens. View the header, payload, and expiration details.
Lorem Picsum Gallery
Generate placeholder image URLs with custom dimensions, blur, and grayscale options.
Markdown Table Generator
Visually build markdown tables with customizable columns, rows, and alignment.
Regex Tester
Test regular expressions against input text with real-time match highlighting and group capture display.
Screen / Device Info
Display viewport size, screen resolution, pixel ratio, user agent, and browser capabilities.
SQL Formatter
Prettify and indent SQL queries for better readability, or minify them into a single line.
Timestamp Converter
Convert between Unix timestamps and human-readable dates. See the current timestamp live.
URL Encoder / Decoder
Encode or decode URL strings. Handles special characters, query parameters, and full URLs.
XML Formatter
Beautify or minify XML with syntax highlighting.
YAML Formatter
Format, validate, and minify YAML with syntax highlighting.
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