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Reduce image size for email
Most email providers cap attachments around 25 MB total. Resize and recompress before sending — your recipient will thank you.
Drop a photo here, or tap to choose
JPG · PNG · WEBP · HEIC — files never leave your browser
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Gmail and Outlook both limit attachments to 25 MB. Yahoo allows 25 MB. Apple Mail (iCloud) allows 20 MB before forcing Mail Drop. A single 12-megapixel photo straight from a phone can be 4–8 MB; ten of them blow past the limit.
For email, 1600 px on the long side at JPG quality 80 is the sweet spot. The image still looks great on a 4K screen but weighs 200–400 KB instead of 4 MB.
Use the tool below with target size 500 KB or 1 MB and free resize mode. You can shrink an entire holiday album in minutes.
FAQ
What is the Gmail attachment size limit?
25 MB per email. Larger files get auto-converted to a Google Drive link.
Will compressing damage the photo?
Not at quality 80+. The pixel-level differences are invisible on screen.
How do I email many photos at once?
Use the batch tool to compress them all to the same target size, then attach the zipped folder.
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