Sumung's Firm branding section supports specific file formats for logos and favicons. This article lists the requirements.

Logo and favicon upload fields in Firm branding
What You Can Do
- Supported logo formats: PNG, JPG/JPEG, SVG.
- Supported favicon formats: ICO, PNG.
- For logos, PNG with transparent background is strongly recommended.
- Recommended logo dimensions: at least 200×60 px; 2× (400×120 px) for retina displays.
- Recommended favicon size: 32×32 px or 64×64 px.
- Maximum file size: typically 2 MB per image.
💡 Good to Know: SVG logos scale perfectly to any size but may not display correctly if they contain complex gradients — test in the Preview panel.
💡 Good to Know: A dark logo on a white background may not look good in certain header styles — use a transparent PNG.
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