Compress Image to 15MB

1. 1

   Upload your competition entry, medical image, or large scan to SizeSnap.

2. 2

   Set the target to 15MB using the size selector.

3. 3

   Click Compress — SizeSnap finds the highest quality that fits under 15MB.

4. 4

   Download and submit to your competition portal, PACS system, or digital archive.

Raw photo competition entries from organizations like the International Photography Awards (IPA) and Prix Pictet allow submissions up to 15-20MB, and compressing to 15MB ensures your entry passes size validation while retaining maximum quality. Medical imaging workflows — radiology department image sharing, dermatology documentation, and dental X-ray archives — often require JPEG exports under 15MB for PACS (Picture Archiving and Communication System) compatibility. Large-format document scans of architectural blueprints, engineering drawings, and historical manuscripts at 300-600 DPI produce files that need precise compression to 15MB for digital archive systems. WeTransfer's free tier processes 15MB files instantly, making this a practical target for professional file exchange.

• For competition entries, verify whether the portal measures file size in MB (1,000,000 bytes) or MiB (1,048,576 bytes) — SizeSnap uses standard MB.

• Medical images should be compressed in consultation with your facility's IT department to ensure compliance with diagnostic image quality standards.

• Large scans at 15MB retain enough resolution for zooming into fine text and line work in architectural drawings.

How do I compress an image to exactly 15MB?

Upload your image on this page — the 15MB target is already set. Press Compress and SizeSnap finds the highest quality that fits under 15MB in a single pass, so there's no quality-slider guesswork or re-exporting.

What is a 15MB image typically used for?

Photo competition entries, high-resolution document scans, and imaging workflows that need large but manageable files — situations where preserving detail matters more than reaching the smallest possible size.

Is a 15MB image small enough to email?

Usually yes for a single file. Major email providers allow attachments of 20–25MB, so one 15MB image fits — but a second attachment may push you over. If you're sending several images, compress to 10MB or smaller instead.

Will compressing to 15MB reduce image quality?

Virtually no visible loss for most photos. 15MB is a generous target, so SizeSnap can keep quality settings high while still hitting the exact size.

What image formats can I compress to 15MB?

SizeSnap compresses JPG and PNG on the free plan, and adds WebP, AVIF, HEIC, GIF, TIFF, SVG and PDF on any paid plan. All formats can be compressed to exactly 15MB.