Compress image for email
Compress a single JPG/JPEG, PNG, or WEBP image to the exact file size your email provider allows.
Privacy note: your image is processed in your browser and is not uploaded to our backend.
Upload your image, set your target size in KB, and compress it instantly. Choose your file:
Your image will be compressed as close to your chosen size as possible while keeping the best quality achievable at that size.
What is an Email Image Compressor?
An email image compressor reduces the file size of an image so it fits within the attachment limits imposed by email providers, rather than just adjusting quality blindly. Different email services enforce different caps: Gmail allows up to 25MB total per message, but many corporate mail servers, Outlook accounts, and webmail providers set much lower per-file or per-message limits. This compressor lets you type in whatever target size you need, then automatically adjusts quality and, if necessary, resolution to get your file as close to that number as possible without going over.
Why You Might Need to Compress Images for Email
Modern smartphone and camera photos are typically several megabytes each, and even a handful of images can push a message past its attachment limit. When that happens, emails bounce back or the attachment is silently stripped, which can cause missed deadlines and confusion. Large attachments also take longer to upload and download, especially on slower connections, and fill up both the sender's and recipient's mailbox storage more quickly. Compressing images before attaching them avoids delivery failures, speeds up sending and receiving, and keeps mailbox sizes manageable.
Use Cases for Email Image Compression
This tool is useful for attaching photos to personal or business emails, sending images to clients or colleagues who have strict mailbox limits, embedding pictures in newsletters or marketing emails where file size affects deliverability, attaching product images or receipts to customer support threads, and sharing event or travel photos over email when cloud links are not preferred. Because the target size is adjustable, the same tool works whether you need to fit under 100KB, 500KB, 1MB, or any other limit.
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