Precision Instruments.
Hand-crafted local modules for high-fidelity work.
MarkWx
Write Markdown and export to WeChat with a single click. Mobile-optimized preview and rich-text support.
MarkPix
Transform markdown into stunning social cards. Premium themes, high-res export, and customizable layouts.
JSON Diff
Compare and diff JSON objects. Auto-extract, merge, sort keys, and visualize changes.
Timestamp Pro
Convert between Unix timestamps and human dates. Supports seconds, milliseconds, and ISO8601.
Base64 Helper
Encode and decode Base64 strings instantly with support for URL-safe formats.
UUID Generator
Generate cryptographically secure v4 UUIDs for your applications.
Image Compressor
Compress PNG, JPG, and WebP images locally without uploading data.
Color Picker
Extract colors, generate palettes, and convert between HEX, RGB, and HSL.
Diff Checker
Compare text files and code snippets to find differences efficiently.
JWT Viewer
Parse and debug JSON Web Tokens. View header and payload claims securely locally.
QR Studio
Create styled QR codes with logos, colors, and custom error correction levels.