iTool · The Sharpest browser utility rack

Format, validate, and minify JSON with syntax highlighting and error hints

Compare two pieces of text or code line-by-line, highlighting additions, deletions, and changes

Encode or decode any URL or string using encodeURIComponent / decodeURIComponent

Test regular expressions in real-time with match and replace highlighting

Convert Unix timestamps to dates and vice versa, with seconds/milliseconds and UTC/local support

Quickly parse JWT Header and Payload (signature not verified)

Generate SHA-1, SHA-256, SHA-384, and SHA-512 hashes from any text

Encode and decode text to/from Base64 format with URL-safe options

Format and beautify SQL queries for multiple dialects (PostgreSQL, MySQL, etc.)

Generate and parse cron expressions with human-readable descriptions and next execution dates

Convert JSON objects to TypeScript interfaces, Go structs, Rust structs, and more

Parse curl commands and generate type definitions for TypeScript, Go, Rust, Python, Java

Batch compress images in-browser with WebP/JPEG/PNG output, quality control, and ZIP download

Convert colors between HEX, RGB, HSL, HWB, CMYK, and LCH formats

Generate CSS for box-shadow, gradients, border-radius, and more with visual previews

Export clean, share-ready syntax highlighted images from code snippets

Optimize and minify SVG files to reduce file size while maintaining quality

Convert images between PNG, JPEG, WebP, GIF, and AVIF formats

Merge multiple PDFs or split by page range, entirely in the browser

Convert between CSV, Excel, and JSON with file import support

Create QR codes for links, Wi-Fi, text, and contacts, then export PNG or SVG locally

Two-way conversion between Markdown and HTML with real-time preview

Trim lines, remove blanks, deduplicate, and sort text in one click

Count characters, words, and reading time against common publishing limits

Connect to a remote MCP Server and debug Tools, Resources, and Prompts

Generate regular expressions from natural language descriptions using AI

Generate schema-compliant mock data from your JSON or schema specs

Generate Mermaid diagrams from natural language descriptions using AI

Estimate token counts and reference costs for GPT, Claude, Gemini, and DeepSeek

Remove backgrounds with clear edges and export transparent PNGs

Format standard passport and ID photos with 1-inch, 2-inch, and clean backdrops