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Tips, tutorials, and updates from the Molixa team
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Image to Base64: Data URIs Done Right
A base64 data URI lets you embed an image directly in HTML or CSS with no extra HTTP request. This guide shows the exact data:image syntax, the 33% size penalty to budget for, and when inlining is the wrong call.
How to Verify a File Checksum (SHA-256)
Downloaded an ISO or installer and want to confirm it was not corrupted or tampered with? Here is how to generate and compare a SHA-256 checksum on Windows, Mac, and Linux, by command line or by drag-and-drop in your browser.
How to Add Open Graph Tags for Social Sharing
Make your links look great when shared: the essential Open Graph and Twitter Card tags, the right og:image size, where they go in the head, and how to preview before you ship.
How to Add a Favicon to Your Website (HTML)
The complete 2026 favicon setup: which sizes browsers, iOS, Android, and PWAs actually request, the exact head snippet, the manifest and ICO files, and the cache trick to fix a favicon that won't appear.
Compress Images for Web Without Losing Quality
A practical 2026 playbook for shrinking web images 70-90% with no visible quality loss: the right quality setting, target file sizes per image type, format choice, and why your compressor should never upload your files.