SignatureClear is an AI-based signature background remover and transparency tool. Users upload a photo or scan of a handwritten signature, and the AI automatically detects blue or black ink strokes, removes the paper background, shadows, yellow tint, and noise, producing a clean, transparent-background PNG. The result can be dropped directly into Word documents or PDF contracts. Beyond signatures, the site also offers general-purpose AI background removal with specialized models for portraits, food, pets, and vehicles. Uploaded images are automatically deleted within 2 days, and the site states it does not use user data for AI training.