Build an ATS-friendly resume with clear headings, readable structure, relevant keywords, and a practical final check before uploading it to an employer or recruitment portal.
Understand how Base64 is used in APIs, data URLs, and text-based transports, why it is not encryption, and when encoding binary data creates unnecessary size overhead.
Learn how to diagnose common JSON syntax problems—quotes, commas, brackets, escaping, and data types—using a formatter and validator instead of guessing through minified data.
Create a Wi-Fi QR code for a guest network, understand the common Wi-Fi payload format, and share access more safely without repeatedly typing the network name and password.
Diagnose QR codes that fail to scan by checking the encoded destination, contrast, quiet zone, print size, distortion, damage, and real-device behavior before republishing the code.
Create QR codes for phone calls, email addresses, and vCard contact details, then test the encoded data before using the code on business cards, posters, or printed material.
Understand pixel dimensions, file size, and PPI so you can prepare images correctly for websites, documents, and printing without confusing resolution with megabytes.
Learn when to convert HEIC photos to JPG, what may change during conversion, and how to preserve useful quality, orientation, and metadata when sharing iPhone images.
Choose JPG, PNG, or WebP based on the real use case—product photos, logos, screenshots, transparent assets, and website images—without relying on one format for everything.
Learn how to choose image dimensions for product pages, cards, hero sections, and responsive websites while preserving aspect ratio and avoiding unnecessarily large files.
