Blue Cat Toolbox

Simple blue-themed utilities for the world.

URL Encoder/Decoder

Safely encode and decode URLs.

UUID Generator

Generate v4 UUIDs instantly.

Article to Image

Convert articles to beautiful images.

Timestamp Converter

Convert between timestamps and date formats.

MD5 Converter

Convert strings to MD5 hash values.

Image Format Converter

Convert between PNG/JPG/JPEG/WEBP/ICO

Contract Generator

Edit template variables, live preview, print/export to PDF

E‑Signature

Handwrite a signature and export as PNG/JPG

PDF to Image

Convert PDF files to high-quality images.

PDF Merge

Merge multiple PDF files into one.

PDF Compress

Compress PDF file size and reduce volume.

PDF Split

Split PDF files into multiple smaller files.

2048 Game

Classic number merging puzzle game.

Pomodoro Timer

Focus and productivity time management tool.