Blog
Step-by-step articles, tested workflows, and reference guides that support the tools published on JW Tool Box.
The correct Instagram Reel cover size in 2026 is 1080×1920 px in a 9:16 vertical frame. The part that causes mistakes is the profile grid: Instagram shows a center 1080×1350 px safe zone, so text, faces, and logos near the very top or bottom can be cropped. If your Reel cover looks great in preview but gets awkwardly cropped in your profile grid, this guide gives you the exact dimensions and a…
Working from home? Nothing kills your flow faster than your screen going dark in the middle of a Zoom call, a client demo, or while monitoring your work dashboard. Stop fighting with power settings. Use our Keep Screen On tool to prevent sleep mode with one click—no software installation, no admin privileges required. If your main problem is a lockeddown corporate laptop where IT prevents you…
QR codes should be boring, predictable, and safe. The problem is many online generators track scans or inject redirects that break months later. Here’s a short, fieldtested workflow to create static QR codes that never expire and scan them without handing your data to anyone. When to use a static QR code Menus, posters, flyers, packaging Event checkin or quick Wi‑Fi sharing
Still dealing with XML in 2026? Whether you're migrating a legacy SOAP API, parsing RSS feeds, or modernizing old configuration files, our XML to JSON Converter makes the transition seamless. Why Convert XML to JSON? XML dominated data exchange in the 2000s. Today, JSON is the standard for web APIs. Here's why developers are migrating: 1. API Modernization
TL;DR — Enter a birthdate → get exact age (years/months/days) + days until the next birthday. Open the calculator → Whether you're filling out a visa form that asks "age as of date of arrival," checking if your kid meets a school enrollment cutoff, or just curious how many days until your birthday — you need an exact answer, not a rough guess. The Age Calculator breaks age into years, months,…