Guides
How to Make Certificates from Excel in Bulk
Prepare your spreadsheet, design one template and generate a certificate for every row. A practical guide, including the mistakes that ruin a batch.
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Insights for the Modern Builder
Deep dives into tech, productivity, and the tools that power the web. Expert advice to help you build faster and smarter.
Privacy
How to Blur Faces in Photos Without Uploading Them
Why uploading a photo just to blur a face defeats the point, how to do it privately in your browser, and how to check nothing was missed.
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Barcode Formats Explained: CODE128, EAN-13, UPC, ITF-14 and Code 39
Which barcode format to use, what each one accepts, why an EAN-13 or UPC will not draw, and what generating a barcode does and does not give you.
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10 Browser Tools Developers Keep Bookmarked
Ten small, repetitive jobs (compressing images, converting HEIC, merging PDFs, bulk QR codes, passwords, EXIF removal and more) and browser tools that do them without uploading your files.
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Why Local File Renaming is Better for Your Privacy
Most online renamers upload your files to rename them. How the File System Access API lets a web page rename files where they are, and which browsers support it.
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What to Put on an Invoice (and How to Make One in Minutes)
The details every invoice needs, the mistakes that delay payment, and how to make and save one as a PDF with a free invoice generator.
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How to Remove EXIF Data and GPS Location from Photos
What EXIF data a photo carries (GPS location, device, time), who can read it, and how to remove it on Windows, Mac, iPhone, Android or in bulk in your browser.
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