Compress an Image to Under 100KB
Meet a strict 100KB cap with verified output and automatic dimension reduction when quality is not enough.
Open the working preset →TOPIC CENTER
Successful image uploads
Diagnose and fix file-size, dimension, and format requirements without uploading the source image.
Open Upload ReadyOne distinct task per guide
Compress an Image to Under 200KB
Use a hard 200KB limit instead of guessing a quality slider value.
Open the working preset →Why an Upload Portal Rejects Your Image
Separate file-size, pixel-dimension, aspect-ratio, format, corruption, and filename failures.
Open the working preset →HEIC Upload Error: Convert Locally
Convert an iPhone HEIC/HEIF photo to a verified JPEG or WebP without sending the source file to a converter server.
Open the working preset →Reduce Image Size on iPhone
Use Safari to convert HEIC, limit the longest side, and meet a hard KB target locally.
Open the working preset →File Size vs Dimensions vs Format
Understand why bytes, pixel count, image content, format, and encoder quality must be considered together.
Open the working preset →Content and linked tool behavior last verified 2026-07-18. Pages are removed from the sitemap when their evidence or tool no longer matches the published claim.