Signature Generator
Vẽ chữ ký và tải về PNG trong suốt
Online Signature Pad
This online signature pad lets you draw a handwritten signature directly in your browser using a mouse, stylus, or finger, then save it as a transparent PNG ready to drop into contracts, PDFs, emails, or design files. Everything runs locally in the browser — no account, no upload, no waiting. The resulting image carries a true alpha-channel background so it blends cleanly over any colored surface.
Benefits
- True transparency: The downloaded PNG has a fully transparent background, so your signature sits naturally over any document color without an ugly white box.
- No installation: Works in any modern browser on desktop or mobile — nothing to download or configure.
- Complete privacy: Your signature data never leaves your device; processing is 100% client-side.
- Instant redo: A single click clears the canvas so you can redraw until the signature looks exactly right.
- Touch-friendly: Draws smoothly with a finger on phones and tablets, not just a mouse on desktop.
Use cases
- Signing Word or PDF contracts before emailing them to clients or partners.
- Adding a personal signature to a job application, CV, or cover letter.
- Creating a signature image for an Outlook or Gmail email footer.
- Inserting your handwritten name into an invoice template or fillable PDF form.
- Watermarking artwork, portfolio images, or photography with a personal signature.
How to use
- Open the tool — the blank signature canvas appears immediately, no login required.
- Draw your signature using a mouse (click and drag) or your finger on a touch screen.
- If the result is not quite right, press Clear to erase and start over.
- When satisfied, click Download PNG — the file saves to your device with a transparent background.
- Insert the PNG into Word, Google Docs, Canva, Photoshop, or any app that accepts images.
Frequently asked questions
Is my signature stored on any server? No. The entire process runs inside your browser tab. Nothing is sent to VSM servers or any third party.
Why does transparency matter for a signature image? A white background makes your signature look pasted-on whenever the document has a colored background or watermark. A transparent PNG blends invisibly so only the ink strokes show.
Can I use this signature as a legally binding electronic signature? A handwritten signature image is widely accepted for informal agreements and internal documents, but for legally binding e-signatures under regulations such as eIDAS or ESIGN, you should use a qualified electronic signature service that provides an audit trail and identity verification.
Does it work on iPhone and Android? Yes. The canvas responds to touch events on both iOS and Android browsers, so you can draw with your finger or a capacitive stylus without any extra app.