Extract handwritten ink signatures from paper photos into pure transparent PNGs, ready for signing digital documents. Preserves authentic stroke dynamics for signing PDF contracts and invoices.
Get a clean, transparent signature ready for your documents
Take a clear photo of your handwritten signature on white paper. Upload it directly to Dopic via your browser.
Our AI instantly detects the ink, removes the paper background, eliminates shadows/creases, and isolates the signature.
Preview the result and download your crisp, transparent Alpha PNG. Drag and drop it directly into your PDF or Word doc.
Streamline your workflow with professional-grade signature assets
Insert flawless signatures into digital agreements without the messy scan look. Perfect for freelancers, landlords, and small businesses finalising deals remotely.
Speed up HR paperwork by providing employees with a clean, reusable signature asset. Eliminates the need to re-sign every single document manually.
Add authentic, hand-drawn signatures to invoices, receipts, and packing slips on Shopify or WooCommerce. Builds trust and adds a personal touch to B2B sales.
Landlords and letting agents can quickly process tenant signatures for tenancy agreements, ensuring they look sharp when pasted into Word or PDF templates.
Make your quotes and project proposals look bespoke and professional. Paste your signature directly onto digital offers to close clients faster.
Capture customer sign-offs for deliveries or service calls. Extract the signature from a phone photo to create a clean digital record for your business files.
Built for speed, quality, and absolute privacy
Your documents never leave your device. All processing happens locally in your browser, ensuring sensitive contract data remains private.
AI-powered edge detection removes noise, creases, and shadows instantly, delivering a crisp black-on-transparent PNG in seconds.
Download your extracted signatures in full resolution without any branding or watermarks. Free to use for unlimited personal and commercial projects.
Optimised for mobile cameras and desktop browsers alike. Take a photo on your iPhone or Android and finish the edit on your laptop.
Professional handwritten signature extraction tool for UK businesses and freelancers. Create transparent PNGs from paper photos instantly.
Everything you need to know about extracting signatures
No. Dopic processes all images entirely within your web browser using client-side technology. Your photos and extracted signatures are never uploaded to our servers, ensuring maximum privacy for your legal documents.
Yes. Our algorithm is designed to handle common issues like slight blur, uneven lighting, and paper creases. For best results, ensure the signature is well-lit and the contrast between ink and paper is clear.
Absolutely. The resulting transparent PNGs are standard digital assets used widely in e-signature workflows. They are compatible with Adobe Acrobat, Microsoft Word, and major UK-based e-sign platforms.
Never. Dopic provides clean, professional outputs without any watermarks, logos, or branding. You own the rights to use the extracted signature for your business needs.
Complete ecosystem of passport photo makers, AI erasers, upscalers, and format converters.
Instant 1-click AI background removal with hair-level edge detail & transparent PNG.
Erase existing text with LaMa and render parametric new typography seamlessly.
Replace photo background with pure white, official blue, red or custom colors.
Blackout or pixelate sensitive numbers, addresses and private text on ID cards.
Lossless bulk compression to target file size (20KB, 50KB, 100KB) with zero quality loss.
Crop photos to exact mm/px, circular profile avatars and e-commerce square ratios.
