Blog
Insights, updates and stories from our team

Engineering2026/09/29
Inside PixSip: Running MozJPEG and Friends in Your Browser
A look under the hood of a browser-side image compressor: WebAssembly codecs, a worker pipeline, and a 20-image benchmark that matched or beat TinyPNG on 18 of 20.

Guide2026/09/29
How to Open HEIC Files on Windows (and Convert Them to JPG)
iPhone photos come out as HEIC and Windows cannot open them without extras. Here are the three ways to fix it, including one that needs no installs and no uploads.

Engineering2026/09/29
PixSip Compression Benchmark: 20 Real Photos, Every Number Shown
Methodology, per-image table and summary of a 20-photo JPG benchmark run through PixSip's own pipeline: 2,272 KB in, 1,463 KB out.

Guide2026/09/28
TinyPNG Alternatives: Browser-Side Compression Without the Upload
TinyPNG is the default, not the ceiling. Here is how PixSip compares on price, limits and privacy - and why browser-side compression exists at all.

Guide2026/09/27
JPG, PNG, WebP, AVIF or JPEG XL? A Practical Guide to Image Formats
Every format has a job. This guide explains when each one wins, with real numbers from PixSip's own encoder stack.

Product2026/09/25
Privacy by Default: Why PixSip Compresses Images in Your Browser
Every "free online compressor" wants you to upload your photos first. PixSip does the opposite: up to 20 images per batch, compressed on your device — here is why that matters more than you think.