Guides, tips, and deep dives on productivity, finance, and developer tools.
May 12, 2026
iPhone saves photos as HEIC by default, but most apps and websites won't accept them. Here's how to convert HEIC to JPEG or PNG instantly in your browser — no app download needed.
Read more →May 8, 2026
Uncompressed images slow down websites and fill up storage. Here's how to shrink JPEG, PNG, and WebP files without visible quality loss.
Read more →May 6, 2026
You don't need special software to create a barcode. Here's how to generate Code 128, EAN-13, UPC-A, and other formats in seconds — free, in your browser.
Read more →May 4, 2026
Large audio files slow down uploads and eat storage. Here's how to reduce file size without making your audio sound noticeably worse.
Read more →April 21, 2026
Calculate tips, discounts, taxes, and grades faster with 3 mental math shortcuts. Plus a free online percentage calculator for when precision matters.
Read more →April 16, 2026
Setting a savings target without a timeline is just a wish. Here's a framework for turning any money goal into a weekly number you can actually act on.
Read more →April 7, 2026
A weak password is the easiest way into your accounts. Here's how to generate one that's virtually uncrackable — and how to actually remember it.
Read more →