Click the "Browse" button below to select an image from your computer. Select "Upload File" to preview it. The image should be black & white (no shades of gray), with a resolution of 300 or 600 dpi. Uploaded images must be .pdf, .tiff, .jpg, .gif, .png or .bmp formats. We do not recommend negative images or fonts smaller than 8 point. The largest stamp we make is 3.75” x 6”, or 6” x 3.75”.