3 min read
Static vs Dynamic QR Codes: The Practical Difference
Compare static and dynamic QR codes by editability, privacy, cost, and long-term reliability so you can choose the right format before printing.
Read guidePractical answers for everyday files
Standards-aware guidance for QR codes and image formats, written to help you choose, create, convert, and test with confidence.
QR codes
Practical guidance for creating, sizing, testing, and sharing QR codes.
3 min read
QR Code Size Guide for Print, Packaging, and Screens
Size QR codes for print, packaging, and screens using module density, viewing distance, quiet zones, contrast, vector artwork, and real-device tests.
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3 min read
How to Share Wi-Fi with a QR Code Privately
Create and share a Wi-Fi QR code while limiting password exposure with local generation, a guest network, careful placement, and practical revocation.
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3 min read
QR Code Testing Checklist Before You Print
Use this pre-print QR code checklist to validate the payload, artwork, final material, scan distance, device compatibility, and long-term destination.
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3 min read
vCard QR Codes for Business Cards: A Practical Guide
Build a useful vCard QR code for a business card with RFC 6350 fields, manageable density, privacy-aware data choices, and cross-device testing.
Read guideImage formats
Clear explanations of image formats, conversion, quality, metadata, and file size.
4 min read
WebP vs AVIF vs JPEG: Which Image Format Should You Use?
Compare WebP, AVIF, and JPEG by quality, compatibility, transparency, and workflow to choose the right format for each web image today.
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4 min read
PNG vs JPG: Quality, Transparency, and Best Uses
Choose PNG or JPG confidently by matching transparency, image detail, editability, and file-size needs to the content of your image.
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4 min read
Does Converting JPG to PNG Improve Image Quality?
Learn why JPG-to-PNG conversion cannot restore lost detail, what it does preserve, and when a PNG copy is still the useful choice.
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4 min read
What Happens to Image Metadata During Conversion?
Understand which EXIF, GPS, copyright, color, and orientation metadata may survive image conversion—and how to verify the output safely.
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4 min read
What Affects Image File Size? A Practical Guide
Learn how pixel dimensions, image content, format, quality, color, transparency, and metadata combine to determine an image's file size.
Read guide10 launch guides · Written and maintained by Tool Swim