Fast, private, browser-based utilities. No sign-up, no uploads — everything runs on your device.
Convert text between UPPER, lower, Title, camelCase, snake_case and more.
Count words, characters, sentences, paragraphs and estimate reading time.
Generate strong, secure random passwords with customizable options.
Format, validate and minify JSON data with syntax highlighting.
Create QR codes from any text or URL. Download as PNG.
Generate random UUID/GUID identifiers. Bulk generation supported.
Encode and decode Base64 strings with full Unicode support.
Trim silence from WAV audio files locally. Lossless processing.
OUH (Online Utilities Hub) is a collection of free, browser-based tools designed to help you get things done quickly and privately. Unlike most online tools, nothing is uploaded to any server — all processing happens right in your browser using modern Web APIs.
Your data never leaves your computer. Whether you're converting text, generating passwords, or formatting JSON, everything runs locally using JavaScript. There are no accounts to create, no files to upload, and no data to worry about.
Every tool is designed to load fast and work instantly. No heavy frameworks, no unnecessary dependencies — just clean, efficient tools that solve real problems in seconds.