QR Code Generator
Create PNG QR codes with error correction, quiet zone, and custom colors. Works offline in your browser.
Fast, Free Online Tools
No sign-up. Mobile-first. Built for speed, privacy, and a clean UI.
Image Resizer
Resize, compress, and convert images. Drag & drop, quality control, and instant preview.
Word & Character Counter
Live counts for words, characters (with/without spaces), sentences, paragraphs, and reading time.
Color Converter & Picker
HEX ↔ RGB/HSL with instant preview, contrast suggestions, and image pixel picker.
Image + Text Editor
Upload an image and add draggable text layers. Font upload, stroke, shadow, and PNG export.
OCR – Image to Text
Extract text from images in your browser. Supports region selection and English/Korean recognition.
D-Day Countdown
Simple D-Day calculator with shareable permalink. Supports time zones and reminders.
Password Generator
Create strong random passwords with Web Crypto. Length, sets, copy, entropy.
World Clock
See your local time prominently and compare with popular cities worldwide. DST-aware and mobile-friendly.
Why Zuuti?
- Single-file utilities with no external libraries → ultra-fast load
- Privacy-friendly: everything runs locally in your browser
- SEO-ready pages for each tool (clean URLs, meta & structured data)
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