Developer Tools

14 free tools for your development workflow

100% client-side. No sign-up. Press / to search, ↑↓ to navigate, Enter to open.

14/14

AI & Prompts

Generate structured prompts and developer context for Claude Code and AI coding assistants

Transform, organize, format, and clean text with powerful utilities

Generate MD5, SHA-1, SHA-256, and other cryptographic hashes

Advanced color picker with HEX, RGB, HSL, and palette generation

Generate customizable QR codes with colors, logos, and download options

Convert CSV files to Excel format (XLSX or XLS) with auto-sized columns

Convert Markdown (.md) files to Word documents (.docx) with formatting

Format vector embeddings into JSON, Python, SQL (pgvector), Pinecone, or MongoDB syntax

Parse a .sql file into an interactive ER diagram with tables, keys and relations

Convert images to Base64 format for embedding in HTML, CSS, or data URIs

Resize images while maintaining aspect ratio. Perfect for logos and thumbnails

Crop images with custom sizes and shapes. Supports multiple aspect ratios

Send HTTP requests and inspect responses directly in your browser

Send test FCM push notifications to Android and iOS devices