Most QR code generators are free to use but have a catch: watermarks on downloads, signup requirements, file size limits, or paywalled features like bulk generation or custom colors. Here's a straightforward comparison of the best free options. 1. Ultimate Tools — Best for bulk and privacy Ultimate Tools QR Code Generator and Bulk QR Code Generator What it offers: Single QR codes: URL, text, WiFi, vCard, email, phone, SMS Bulk generation: up to 500 QR codes from a CSV file Custom colors (foreground + background) Dot styles: square, rounded, dots PNG and SVG export No watermark ever No account required Processes in browser — no file upload Best for: Anyone who needs clean watermark-free QR codes or needs to generate in bulk from a CSV. Privacy-sensitive use cases where encoded data shouldn't be sent to a server. Limitation: Static QR codes only (no dynamic/trackable QR codes). 2.…