Developer Tools
21 tools available
Base64 Decoder
Decode and encode Base64 payloads instantly. Supports iterative decoding for multi-layered encoded data — essential for debugging APIs and data pipelines.
Code Screenshot Generator
Turn any code snippet into a beautiful, shareable screenshot. Choose from popular syntax themes, select your language, adjust padding and background, then export as a high-quality PNG — no Carbon account required.
Color Converter
Convert colors between HEX, RGB, HSL, HSV, CMYK, XYZ, and LAB formats. Bi-directional conversion with live color preview as you type.
Cron Checker
Instantly convert cron expressions into human-readable schedules. Validate and understand your cron jobs effortlessly.
CSS Layout Playground
Visual CSS Flexbox and Grid layout builder with live preview and code output. Adjust container and item properties, see changes instantly, then copy the generated CSS and HTML into your project.
CSV & Excel Viewer
Open CSV, TSV, and Excel files in a fast, sortable table. Filter rows, edit cells, and export your changes — all in your browser with no uploads.
cURL to Code Converter
Paste a cURL command and instantly get the equivalent code in Python, JavaScript, Go, PHP, and more. Perfect for converting browser DevTools requests into production code.
Favicon Generator
Generate a complete favicon package from any image or emoji. Creates PNG at all standard sizes (16x16 to 512x512) and Apple Touch icons — download individually or all at once.
JSON Formatter & Validator
Paste JSON to pretty-print, validate, minify, and explore. Click any node in the tree view to copy its JSONPath expression — perfect for building API queries.
JSON to TypeScript Interface
Instantly convert JSON objects into TypeScript interfaces or type aliases. Handles nested objects, arrays, nullable values, and mixed types. Customize the root interface name and toggle options like readonly and optional fields.
JWT Decoder
Paste a JWT token into the tool to decode and display its header, payload, and signature. This interactive tool helps you quickly inspect and understand your JSON Web Tokens.
Markdown Table Generator
Build and edit Markdown tables visually using a spreadsheet-like grid. Add and remove rows and columns, set column alignment, paste data from a spreadsheet, and copy the finished Markdown with one click.
Prettier Code Formatter & Colorizer
Reformat and colorize your code using Prettier and react-syntax-highlighter. Easily convert messy code into a clean, readable format with syntax highlighting.
Regex Query Helper & Explainer
Experiment with regular expressions using our interactive Regex Helper tool. Test your regex on sample text and get a breakdown of the syntax.
SQL Playground
Run SQL queries against your data right in the browser. Upload a CSV file, and query it with full SQLite — no server, no database setup required.
SQLite Viewer
Open and explore any .sqlite, .db, or .sqlite3 database file directly in your browser. Browse tables, run custom SQL queries, and export results as CSV — powered by WebAssembly, no server or installation needed.
SSH Key Generator
Generate RSA SSH key pairs directly in your browser using the Web Crypto API. No server involved — your private key never leaves your device. Download public and private keys ready for use with GitHub, GitLab, or any SSH server.
SVG Optimizer
Clean and minify SVG files by removing comments, metadata, empty elements, and unnecessary whitespace. Paste SVG code or upload a file and see before/after size savings.
Text Diff Checker
Compare two blocks of text side-by-side and instantly see additions, deletions, and changes highlighted. Perfect for comparing code, documents, or configuration files.
URL Decoder & Encoder
Decode and encode URL-encoded text instantly. Essential for web developers debugging query strings, API parameters, and encoded URLs.
URL Parser
Break down any URL into its components — protocol, host, port, path, query parameters, and fragment. Understand complex URLs at a glance.