Draw your handwritten signature and apply it as a watermark to your photos. Pick your pen color and thickness, position it by corner preset or free drag, and download the result. Free, private, and 100% processed in your browser.
Sketch your signature on the canvas below, upload the photos you want to protect, then adjust the position, size, and opacity. Everything runs locally on your device.
Tip: Draw with your mouse, trackpad, or finger. Use the checkerboard background to confirm only your strokes will be applied.
Drag & drop your photos here
or click to browse
Supports PNG, JPG, JPEG, WEBP, GIF (max 10MB each)
Tip: You can also drag the signature to any spot on the live preview below.
Upload a photo and draw your signature to see a live preview here. Drag the signature to place it exactly where you want.
Your watermarked photos will appear here after you click "Apply Signature Watermark".
Draw your signature on the canvas pad using your mouse, trackpad, or touchscreen finger. Sign your name just as you would on paper. Clear and redraw as many times as you like.
Adjust the pen color and brush size using the controls below the canvas. Toggle the background transparency on or off depending on whether you want a transparent stamp or a solid badge behind your signature.
Position your signature on the preview image by selecting a corner preset or by dragging the signature directly on the live preview to place it exactly where you want.
Adjust opacity and size using the sliders. Set the signature size as a percentage of the image width and fine-tune the opacity and rotation until the watermark looks right.
Download the signed photo individually, or batch process multiple photos at once and download them all as a ZIP file. All processing happens at full resolution in your browser. Nothing ever leaves your device.
A handwritten signature carries your identity in a way typed text cannot. It signals authorship at a glance and gives your work a crafted, professional feel that stands apart from generic text watermarks.
Irregular hand-drawn strokes are harder for AI removal tools to detect and erase cleanly than uniform text. Combined with our Watermark Generator, your photos get layered protection.
No software to install and no account to create. Draw, upload, and download in seconds. Watermark a single photo or a whole batch with the same signature in one click.
All drawing and image processing happens locally in your browser with the HTML5 Canvas API. Your signature and your photos are never uploaded to any server.
Choose any pen color and thickness, place the signature in any corner or drag it freely, and fine-tune size and opacity. Add a solid background badge for readability on busy images.
Watermarks are applied at your photo's original resolution and exported as lossless PNG. Need to verify durability? Run the result through our Watermark Removal Tester.
A signature watermark is a handwritten-style mark, usually your name or personal signature, applied over a photo to claim ownership and discourage unauthorized use. Because it is hand-drawn, it feels more personal than typed text and its irregular strokes are harder for AI removal tools to erase cleanly.
Yes. Draw your signature directly on the canvas with your mouse, trackpad, or finger on a touch screen. Choose the pen color and thickness, toggle the background transparency, then apply it to one or more photos. Everything happens in your browser, so your signature stays private.
No. All drawing and image processing happens locally in your browser using the HTML5 Canvas API. Your signature and your photos never leave your device, which keeps your work completely private and secure.
For a balance of visibility and elegance, set the signature to about 20 to 30 percent of the image width and an opacity between 70 and 90 percent. Use a corner placement for a subtle look, or place it larger and more transparent across the center for maximum protection.
The Signature Watermark Generator lets you turn your own handwriting into a reusable photo watermark. Instead of typing a name in a standard font, you draw your signature freehand on an HTML5 canvas, choose your pen color and thickness, and stamp it across as many images as you want. The result feels personal, professional, and far harder to remove than uniform text.
Every step of the process runs entirely in your browser. Your signature strokes, your uploaded photos, and the final watermarked images never get sent to a server. That makes this tool a safe choice for photographers, artists, real-estate agents, online sellers, and anyone who wants to claim ownership of their visual work without exposing it to a third party.
Positioning is flexible. Use a corner preset for a quick, clean placement, or drag the signature to any spot on the live preview for pixel-perfect control. Adjust the size relative to each image and tune the opacity so the watermark is visible without overpowering the photo. Toggle the background off for a transparent stamp, or turn it on to drop a white badge behind the signature for readability on busy backgrounds.
When you are ready, apply the watermark to all uploaded photos at once and download them individually or as a ZIP. To round out your protection workflow, pair this tool with our full-featured Watermark Generator for text and logo watermarks, and check how resilient any watermark is with the Watermark Removal Tester. Browse the Blog for more tips on protecting your images.