สร้างลายเซ็นดิจิทัลฟรี · ไม่ต้องอัปโหลดขึ้นเซิร์ฟเวอร์ · ประมวลผลทันที
Last updated: July 2026Written by BIC Editorial Team
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ไม่ต้องอัปโหลดขึ้นเซิร์ฟเวอร์
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ฟรี · ไม่ต้องอัปโหลดขึ้นเซิร์ฟเวอร์ · ประมวลผลทันที
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ฟรี
สร้างลายเซ็นดิจิทัล — ฟรีและเป็นส่วนตัว
Create, draw, and place digital signatures directly onto photos, pictures, forms, and documents. Whether you need to sign a passport application photo, an official government form, or export a standalone transparent PNG signature, our browser tool makes it instant and effortless.
Enjoy complete creative freedom: draw smoothly with simulated pen physics, choose from elegant cursive typography fonts, or upload a photo of your paper signature to automatically remove paper backgrounds. Best of all, everything runs 100% locally in your browser with zero data uploaded to any server.
วิธีใช้งาน สร้างลายเซ็นดิจิทัล
- Choose your mode: "Sign on Photo / Image" to watermark an image, or "Signature Studio" to create a standalone signature.
- Draw with your mouse, stylus, or finger, type with realistic cursive fonts, or upload a photo of your paper signature.
- When signing on a photo, drag the signature anywhere, adjust scale and rotation, and optionally add a date stamp.
- Download your finished signed photo or your transparent PNG signature instantly.
ทำไมต้องเลือก สร้างลายเซ็นดิจิทัล?
- Sign directly on photos or export transparent PNG signatures.
- 3 flexible creation modes: Draw, Type cursive, or Upload paper photo.
- Automatic white paper removal for photographed signatures.
- 100% Private — all processing happens entirely in your browser.
- Smooth bezier curve drawing with pressure simulation.
- No registration, watermarks, or file limits ever.
คำถามที่พบบ่อย
Can I place my signature directly onto a photo or document?
Yes! Select "Sign on Photo / Image", upload your photo or document, and effortlessly position, resize, rotate, and stamp your handwritten, typed, or uploaded signature onto the image.
Is the standalone signature output transparent?
Yes, when creating or downloading a signature independently, it is exported as a crisp, transparent PNG ready to be placed on any document.
Can I upload a photo of my signature written on paper?
Yes! In the Upload tab, select a picture of your paper signature. Our intelligent threshold filter automatically strips the white paper background and extracts transparent ink strokes.
Are my signed photos or signatures uploaded to a server?
Never. All signature drawing, photo compositing, and downloads occur 100% locally in your browser for absolute privacy and security.
Can I add a printed name and date stamp next to the signature?
Yes, enable the printed name and date stamp toggle to append clean, official metadata directly below or beside your signature on photos.