Tutorials, deep-dives, and privacy-first thinking about developer tools.
Showing 13–19 of 19 posts
Base64 turns binary into text so it can travel through JSON, URLs, and headers. Learn to encode and decode Base64 with real browser, CLI, and code examples.
Strong passwords don't need to be random gibberish. Learn four memorable patterns that meet NIST rules — plus when to let a generator do the work.
Parse MySQL, PostgreSQL, or SQLite dumps and export them to .xlsx entirely in your browser — no server, no account, no size cap. Full walkthrough.
Remove image backgrounds for free in your browser — no Photoshop install, no uploads, no signup. Works on photos, product shots, logos, and portraits.
Batch-compress JPG, PNG, and WebP images in your browser and download them as a single ZIP — no account, no upload, no quality loss.
Shrink PNG files by 60-80% without any visible quality loss using free browser-based tools — no Photoshop install, no uploads, no account required.
Produce every iOS, Android, and web app icon size from a single 1024×1024 source — free, no upload, no Xcode, no Android Studio, ready in a minute.