Image Guides
Plain-English tutorials on formats, compression, and file-size limits — so you pick the right tool for the job.
JPG vs PNG: Which Format Should You Use?
Quality, file size, and transparency compared — plus a simple rule for choosing in seconds.
WebP vs JPG: Is WebP Really Better?
Real size savings, browser support, and when to stick with good old JPG.
AVIF vs WebP: Next-Gen Formats Compared
The 2026 verdict on the two modern formats — compression, quality, and compatibility.
How to Reduce Image Size for Email
Gmail and Outlook attachment limits, target sizes, and a 60-second workflow.
Image File Size Limits (2026): Every Platform
Gmail, WhatsApp, Discord, Instagram and more — the limits table plus the right tool for each.
7 Best Free Image Compressors in 2026
Honest mini-reviews of the top free tools — including what makes CrunchyPic different.
JPG Quality Settings, Tested: What Each Level Really Costs
We compressed 3 test images at 6 JPEG quality levels and measured every byte. Real data: the 95→85 step halves file size.
Image Compression Test Data: 24 Real Runs, Measured
8 images × 3 size targets on a live compressor — every byte measured. Under-target files often grow; quality floors before dimensions shrink.
Make a Christmas Photo Card with Free Tools
Cut out a family photo, drop it on a festive design, and get it print-ready — no uploads, no accounts for the remover, no paid apps.
Compress Photos for Printing Christmas Gifts
Print Christmas gifts without blurry photos or upload errors — compress JPEGs to the right size and keep 300 DPI quality, free in your browser.
Learn how image compression really works
Choosing the wrong image format can triple your file size for zero visible gain. These guides explain — in plain English, with real test data — when to use JPG vs PNG vs WebP vs AVIF, how quality settings affect file size, and what the upload limits are on Gmail, WhatsApp, Instagram, and Discord. Each guide ends with the exact CrunchyPic tool that solves the problem, so you can go from reading to done in one click. Everything is processed locally in your browser: no uploads, no accounts, no watermarks.
New to compression? Start with JPG vs PNG for format basics, then read JPG quality settings, tested to see what each quality level really costs in kilobytes. If you email photos often, the 60-second email method will save you every week.