Comparison
PNG vs JPG: Which Image Format Should You Use? (Tested)
JPG for photos, PNG for logos, screenshots and transparency - with real file sizes from our tests, quality settings, conversion t…
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How-To Guides & Tutorials
Plain-English guides on icons, favicons, image formats, file sizes and GIFs - each one with the free tool that does the job.
6 guides
3 topics
Updated Oct 25, 2026
All guides 6
Guide
New
How to Download Twitter Images in Original Size (All Photos at Once)
The photo you see on X is a smaller copy. Here is how to download the original file, save every photo from a post in one go, and…
Guide
Why Your JPG Icon Has a White Background (And How to Fix It)
JPG cannot be transparent, so every JPG icon comes with a white box. Here is why it happens, when a JPG icon is fine, and the two…
Optimization
Why Your Photos Look Blurry Online - and How to Fix Them (2026)
Sharp on your phone, mushy on Instagram or WhatsApp? Apps resize and recompress every upload. Here is what they do, the sizes to…
Optimization
How to Reduce Image File Size Without Losing Quality (2026 Guide)
Resize first, then compress - and pick the right format. The 5-step method to shrink photos and graphics by 80% or more with no v…
Guide
JPG, JPEG, JPE, JFIF - Why So Many Names for the Same Image Format?
Why does one image format have four names? The history behind JPG, JPEG, JPE and JFIF, why Windows saves .jfif files, and how to…
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