Tools Directory
Explore our collection of free developer and design utilities.
JSON to YAML Converter
Quickly transform your JSON data into clean, formatted YAML. Features real-time validation, syntax highlighting, and easy copying.
Use Tool
YAML to JSON Converter
Convert YAML configuration files to JSON format with syntax validation and error checking.
Use Tool
Password Generator
Create strong, secure passwords with customizable length and character sets.
Use Tool
JSON Formatter
Format and beautify JSON data with syntax highlighting and validation.
Use Tool
Base64 Encoder/Decoder
Encode text or files to Base64 format or decode Base64 strings.
Use Tool
SQLite & Database Viewer
View and query SQLite databases directly in your browser with a visual query builder and SQL editor.
Use Tool
JWT Decoder
Decode and inspect JWT tokens instantly. View header, payload, signature, expiration status, and time claims.
Use Tool
JWT Generator
Create signed JWT tokens with custom payloads, choose algorithm (HS256/384/512), and provide your secret key.
Use Tool
Unix Timestamp Converter
Convert between Unix timestamps and human-readable dates. Live clock, multiple formats, seconds & milliseconds.
Use Tool
Timezone Converter
Convert date and time between timezones. Compare multiple zones side by side with live mode and DST detection.
Use Tool
URL Encoder / Decoder
Encode or decode URLs and URI components instantly. Supports encodeURIComponent for query parameters and encodeURI for full URLs.
Use Tool
UUID Generator
Generate cryptographically secure UUIDs (v4) in standard, hyphen-free, uppercase, or braced GUID formats. Bulk generation up to 1,000.
Use Tool
Hash Generator (SHA)
Compute SHA-1, SHA-256, SHA-384, and SHA-512 cryptographic hashes from any text using the Web Crypto API. All processing stays in your browser.
Use Tool
Text Case Converter
Convert text between camelCase, PascalCase, snake_case, kebab-case, CONSTANT_CASE, Title Case, and more — see all twelve formats at once.
Use Tool
Number Base Converter
Convert numbers between binary, octal, decimal, and hexadecimal. Real-time conversion with input validation and BigInt precision for large values.
Use Tool
Markdown Editor & Word Export
Live Markdown editor with HTML preview. Copy formatted rich text into Word, Google Docs, Gmail, or Notion — or download a ready-to-edit .doc file.
Use Tool
HTML Viewer & PDF / Word Export
Render HTML in a sandboxed live preview. Save as PDF via your browser, download as a Word (.doc) file, or copy as rich text for Gmail, Notion, and any rich-text editor.
Use Tool
QR Code Generator
Generate a QR code from any text or URL. Customize colors, error correction, and quiet-zone margin, then download as PNG or SVG, copy the image, or share directly from your browser. Generation history saved locally.
Use Tool
Image Converter — WebP / JPG / PNG
Convert PNG, JPG, WebP, GIF, and BMP images to WebP, JPEG, or PNG with an adjustable quality slider. Batch-convert multiple files at once with live size comparison. Everything runs in your browser — no uploads, no size limits.
Use Tool
SVG Sprite Generator
Combine multiple SVGs and raster images into a single SVG sprite. Editable per-icon names, WebP compression for raster inputs, live HTML / React usage snippets, and a local browser library for saving sprites for later.
Use Tool
Image Compressor
Shrink JPEG, PNG, and WebP file sizes without changing the format. Adjustable quality slider, batch conversion, side-by-side size comparison — all client-side.
Use Tool
Image Resizer
Resize images to exact pixel dimensions or a percentage of the original, with optional aspect-ratio lock. Export as WebP, JPG, or PNG at any quality.
Use Tool
Image to Base64
Encode any image as a base64 data URL. Copy as raw string, CSS background, HTML img tag, or Markdown — perfect for inlining icons and small assets.
Use Tool
SVG to PNG
Rasterize SVGs to PNG, JPEG, or WebP at any resolution. Paste source or drop a file, set the export dimensions, and download — ideal for @2x / @3x asset pipelines.
Use Tool
Rotate & Flip Image
Rotate images by 90° / 180° / 270° and flip horizontally or vertically. Chain multiple operations, undo, and export in your preferred format.
Use Tool