In-depth guides built from real testing on our own converter. covering JPG, PNG, WebP, AVIF, SVG, JFIF, GIF, ICO, and TIFF. Every article is written to help you get the most out of the tool and make better decisions about your images.
Showing 20 technical guides
We converted a real 135 KB PNG test file through our converter to measure the exact file size reduction and visual difference versus JPG.
We converted one WebP file into four different formats to measure the exact byte changes and test whether converting out of WebP saves or costs storage.
We answered common AVIF vs WebP questions using real test conversion data, measuring exact byte changes and encoding trade-offs.
We converted a transparent PNG logo to JPG to measure the size difference and demonstrate why transparency turns into a solid white background.
We broke down the four real-world situations where WebP files fail in email, print, older photo editors, and legacy CMS tools, with exact fixes for each.
We ranked the five highest-impact image optimizations for Largest Contentful Paint (LCP) and Core Web Vitals, backed by real PageSpeed Insights test scores.
We converted a JPG to TIFF to measure the 1,780% size increase and broke down exactly which workflow needs TIFF versus JPG.
Takes 30 seconds and one formula to calculate exact print dimensions, required megapixels, and DPI before sending to print.
We tested the four distinct zones of an image quality slider to show why high-70s to mid-80s is the only sweet spot worth using.
Diagnose and fix smudged edges, banded gradients, lost transparency, blurriness, bloated files, frozen GIFs, and unopenable files.
Identifies four common production WebP failure modes—cache poisoning, fallback gaps, audience mismatch, and JS false negatives—and how to fix them.
A practical decision tree starting with what you're actually doing with an image—website photo, logo, transparent graphic, animation, print, archive, mid-edit, email, social media, or compatibility—ending in real recommendations.
Follows an 8×8 pixel block sequentially through each stage of JPEG compression, showing exactly what happens to the numbers and why.
Investigates why identical-looking conversions can shift colors due to color profiles (Adobe RGB vs sRGB) rather than compression artifacts.
An investigative look at what actually happens to camera settings, timestamps, GPS, and device info during format conversion.
Examines the four checkpoints an image file passes through—from extension and OS labels to MIME filters and binary magic bytes—to show what actually defines a file.
A detailed breakdown of the recompression triggers, optimal export formats, and quirks across Instagram, X, LinkedIn, and Facebook.
Examines how dark mode inversion, email client rendering engines, and format limits transform transparent logos, product photos, and GIFs.
Investigates what happens during 20 consecutive cross-format conversions, revealing the disconnect between fluctuating file sizes and real cumulative generation loss.
Dissects the internal multi-image container architecture of ICO files, layer by layer, and explains modern favicon strategies.