Generator blog posts
Use free generator tools for QR codes, UUIDs, secure passwords, hashes, random data, mock API responses, dummy text, barcodes, and safe test-data workflows.. Browse the posts that support this workflow category across the WebToolsPlanet blog.
Posts in Generator
Published posts in this category.
QR Code Mistakes That Make Scans Fail
A practical troubleshooting guide for QR codes that will not scan. Covers contrast, quiet zone, size, logo settings, payload length, print quality, and real-device testing.
Best QR Code Size for Print: Business Cards, Posters, Menus and Packaging
A practical guide to choosing the right QR code size for different print formats. Covers minimum sizes, scan distance rules, PNG DPI requirements, and SVG vs PNG for print.
How to Add a Logo to a QR Code Without Breaking It
A guide to creating branded QR codes with a logo in the center while keeping them scannable. Covers error correction, logo size limits, contrast rules, and testing checklist.
How to Create a Free UPI QR Code for Your Shop or Business
Step-by-step guide to generating a UPI payment QR code for GPay, PhonePe, Paytm, and BHIM. Covers UPI ID format, fixed vs open amounts, print sizes, and safety rules.
How to Create a WiFi QR Code for Free — No App Needed
A practical guide to creating a printable WiFi QR code for homes, cafes, restaurants, hotels, and offices. Works on iPhone and Android without any app.
QR Code Size Chart for Print — Every Format from Business Cards to Banners
A complete QR code size reference for designers, marketers, and print shops. Covers minimum sizes, scan distances, PNG DPI, and SVG vs PNG for every print format.
Static vs Dynamic QR Codes Explained
Learn the practical difference between static and dynamic QR codes, when each type makes sense, and how that choice affects edits, analytics, and campaign workflows.