JW Tool Box

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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.

  • Minimal Valid favicon.ico: Tiny 16x16 Fallbacks, Base64, and Real Examples (2026)

    If you are searching for a minimal valid favicon.ico, you usually do not want a full design-system discussion. You want the smallest setup that still works without breaking browser fallbacks. That is a narrower problem than a normal favicon guide, and the answer is also narrower: a tiny fallback can be valid, but it is not a complete favicon strategy. TL;DR — A minimal favicon setup can be as…

  • Product Barcode Generator Guide 2026: UPC vs EAN-13 vs ITF-14 for Labels and Cartons

    TL;DR - Use UPC-A or EAN-13 for retail unit products, ITF-14 for outer cartons and case packs, and CODE128 for internal operations. If you just need to generate and test the artwork, start with the Barcode Generator. If the code will be used in retail, make sure the underlying number is valid for that sales channel. If you are searching for a product barcode generator, you probably do not need…

  • What Date Is 90 Days From Today? Free Deadline Calculator for Notice Periods and Contracts (2026)

    TL;DR - If your starting date is April 11, 2026, then 90 days later is July 10, 2026. Instead of counting month by month every time, use the Days Calculator to add 30, 45, 60, or 90 days to any date instantly. If you are searching for what date is 90 days from today, you usually do not need calendar theory. You need the answer fast because a deadline depends on it. That deadline might be: a co…

  • How to Convert PDF Pages to JPG or PNG Images for Free (No Uploads)

    You have a 30-page PDF from your professor, your accountant, or your mortgage broker. You need to pull out a few pages as images—maybe to paste into a slide deck, upload to a form that only takes JPG, or just to share a single page in a group chat without sending the entire document. So you Google "convert PDF to JPG" and pick the first result. You upload your file. You wait. The site offers y…

  • How to Remove EXIF Data from Photos Before Sharing Online

    In 2012, the antivirus pioneer John McAfee was on the run in Belize. Vice magazine published an exclusive interview with him—along with a photo. The photo's EXIF data included GPS coordinates that pinpointed his exact location. He was found, arrested, and deported within 48 hours. You are probably not a fugitive. But the metadata embedded in your photos can still reveal more about you than you…