Image handling

When you send an image to your agent — in web chat, iMessage, or Telegram — Selu prepares it before passing it along to your AI provider. This page explains what happens behind the scenes and what to expect when images are very large.

Automatic resizing

Every image attachment goes through a normalization step before it reaches the AI model. If an image is larger than the provider’s limit, Selu automatically tries to resize and recompress it to fit.

• Amazon Bedrock has a hard limit of 5 MB per image.
• Other providers use the same 5 MB limit as a safe default.

You don’t need to do anything — this happens automatically.

When an image can’t be resized

Occasionally, even after resizing, an image may still be too large to send (for example, a very high-resolution file that can’t be compressed enough).

In that case, Selu skips that image and continues the conversation without it. Your message still goes through — the agent just won’t be able to see the image.

Caution

If your agent doesn’t respond to something in an image you sent, it may have been too large to process. Try sending a smaller or more compressed version.

Tips for best results

• Use standard photo formats (JPEG, PNG, WebP) rather than raw or uncompressed formats.
• If you’re sharing a screenshot, most screenshot tools produce files well within the size limit.
• Very large scans or high-resolution exports may need to be resized before sending.