Tutorial · Beginner · 3 lessons

🖼️ Images & QR Codes

Compress images without the quality loss you fear, and generate QR codes — including WiFi QR codes.

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  1. 1How to Compress an Image Without Losing QualityLearn why image files get big, how lossy compression works, the quality sweet spot, and how to shrink a photo for email or the web without visible loss.3 min read
  2. 2How to Create a QR CodeLearn what QR codes can hold, how to create one for a URL, WiFi network or UPI payment, and the best practices for a code that always scans.3 min read
  3. 3WiFi QR Codes: Share Your Network InstantlyLearn how a WiFi QR code works, how guests connect by scanning it, and how to generate one for your network — no more reading out long passwords.3 min read
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