Free, Safe, & Open Source
Generate barcodes,
passwords, & UUIDs.
Simple, fast, and privacy-focused tools for developers and businesses. Everything runs locally in your browser.
Barcode Generator
Create Code 128, UPC, and EAN barcodes instantly. Download high-quality images.
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QR Code Generator
Generate permanent QR codes for URLs, WiFi, and more. Customize colors and format.
Open Tool
UUID Generator
Generate cryptographically secure UUIDs (v4) and GUIDs in bulk. Developer friendly.
Open Tool
Password Tools
Generate strong random passwords, check strength, and create secure PINs.
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Why developers love Karuvii
We built these tools because we were tired of slow, ad-riddled, and insecure generators.
Blazing Fast
Instant generation with no server latency. Results appear as you type.
Privacy First
Data never leaves your browser. Zero tracking, zero logging detailed.
Responsive
Works perfectly on desktop, tablet, and mobile devices.