Articles from November 2026

Number Base Converter · Nov 12, 2026 · 3 min Practice Binary, Octal and Hex Conversions for CS Exams Check your hand conversions between binary, octal, decimal and hexadecimal, with worked examples and the shortcuts examiners expect you to know. Favicon Generator · Nov 12, 2026 · 3 min Make a Favicon for a New Website from Your Logo (All Sizes) Prepare your logo so it stays readable at 16 pixels, then generate favicon.ico, Apple touch and Android icons and add the right link tags. Pomodoro Timer · Nov 12, 2026 · 3 min Study for Exams with the Pomodoro Technique Without Burning Out Plan a revision day in 25-minute focus blocks with short breaks, a longer rest after four rounds, and a simple method to track what you cover. Unix Timestamp Converter · Nov 12, 2026 · 3 min Read Unix Timestamps in Server Logs and Find When It Broke Turn values like 1767225600 into readable dates, tell seconds from milliseconds, and line up log entries from servers in different time zones. Image Resizer · Nov 12, 2026 · 3 min Resize a Photo to Exact Pixels for Job and Government Forms Portals reject photos that are not exactly 600×600 pixels. Crop first, resize to the exact size, and avoid blur, stretching and oversized files. JSON ↔ XML Converter · Nov 11, 2026 · 3 min Convert JSON to XML for SOAP Services and Legacy APIs Your app speaks JSON but the bank or ERP wants XML. Learn how to map objects, arrays and attributes, then wrap the result for a legacy endpoint. JSON to TSV Converter · Nov 11, 2026 · 3 min Copy API JSON Results into Excel or Google Sheets Columns Turn a JSON response into tab-separated text and paste it into Excel or Google Sheets so each field lands in its own column. Base64 Encoder / Decoder · Nov 11, 2026 · 3 min Embed Small Icons and Fonts as Base64 in HTML, CSS and JSON Learn when a Base64 data URI saves a request, how to build one from an icon or certificate, and when the 33% size overhead makes it a bad idea. UUID Generator · Nov 11, 2026 · 3 min Generate UUIDs for Database Primary Keys Across Servers When several servers create records at once, UUIDs avoid ID clashes. Learn when v4 and v1 fit, how to store them, and the index pitfalls to avoid. Text to Hex Converter · Nov 11, 2026 · 3 min Debug Garbled Characters Like é with a Text to Hex Converter See the real bytes behind mojibake such as é and ’, and learn to tell a UTF-8 and Latin-1 mix-up from a font or database problem.