Blog

Practical guides for browser-based tools and workflows

Step-by-step articles, tested workflows, and reference guides that support the tools published on JW Tool Box.

  • How to Prevent Google Meet & Teams from Auto-Sleeping (No IT Admin Rights)

    You are 20 minutes into viewing a crucial companywide allhands meeting on Google Meet. You haven't touched your mouse because you're just listening. Suddenly, your screen dims. A few seconds later, it goes completely black, your computer locks, and your audio cuts out. Working from home usually means dealing with aggressive corporate IT security policies that enforce a strict 5minute screen lo…

  • How to Batch Convert HEIC to JPG Locally on Mac or PC (Zero Uploads)

    If you own an iPhone or an iPad, you've inevitably run into the "HEIC problem." You try to upload a photo to a website, attach it to a Windows email client, or submit it to a government portal, and you get hit with an Invalid File Format error. To fix this, most people instinctively Google "convert HEIC to JPG" and click the first result. Here is why that is a terrible idea for your privacy. M…

  • Regex Tester & Debugger Guide 2026: New Engine Features + Privacy-Safe Testing

    TL;DR — 2026 brought Unicode set notation (v flag), reliable lookbehind across browsers, and named capture group duplicates. Test all of it without uploading production data in our browserbased Regex Tester. If you write code for a living, you've stared at something like ^([azAZ09\\.]+)@([azAZ09\\.]+)\.([azAZ]{2,5})$ wondering why it won't match an email you know is valid. Regex is powerful. D…

  • The Hidden Risk of Online Code Formatters (And How to Stay Safe)

    We've all done it. You have a messy, minified JSON response or a chaotic SQL query, and you search for "online json formatter", "beautify mysql query", or "mysql formatter". You paste your code into the first result, get the clean output, and move on. But have you ever stopped to ask: Where did my data just go? The ServerSide Trap Most older online tools work by sending your data to their back…

  • How to Make a Custom Receipt for Work Online (Free & Realistic)

    Losing a receipt for a work expense or reimbursement is a common headache. Whether the thermal paper faded, you misplaced the physical copy, or you simply need a digital backup for your records, creating a replacement receipt (often searched as a "fake receipt") can save the day. While we never encourage fraud, there are valid reasons to reconstruct a lost receipt: Reimbursements: Replacing a…