Siamshort Docs

Overlay Image

Place a logo, watermark, or sticker over any image with live preview.

WHEN TO USE
Branding, watermarking, or stickering a batch of finals before delivery.
PAIRS WELL WITH
Layout (compose first), Convert Image (final export).
💡 PNG overlays with transparency sit cleanest on any background.

Stack one image on another: position a logo, watermark, or sticker with a live preview, tune size and opacity, and export — free, in the browser.

Overlay Image tool page

How to use

  1. Upload the base image and the overlay.
  2. Position, scale, and set opacity with the live preview.
  3. Export the combined image.
Last updated: 12 Aug 2026