SSC Signature Resizer 2026
Resize to 4.0 × 2.0 cm, JPEG, 10–20 KB in seconds.
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SSC signature — official spec
4.0 × 2.0 cm, JPEG, 10–20 KB
Official spec is in cm + KB; output pixels keep the official 2:1 ratio.
Source: official notice · verified 2026-07-24
FAQ
What is the required SSC signature size?
4.0 × 2.0 cm, JPEG, 10–20 KB. Official spec is in cm + KB; output pixels keep the official 2:1 ratio.
Is my image uploaded to a server?
No. Everything runs in your browser — your file never leaves your device.