เพิ่มลายน้ำให้กับภาพถ่าย
Free online tool to add a text or logo watermark to any image — adjust opacity, size, rotation, and position, or tile it across the whole photo. Processed in your browser for maximum privacy.
How to Add a Watermark to a Photo in 3 Steps
Upload your image, add text or a logo, and download — all in your browser.
Select a photo from your device. Drag-and-drop or browse — PNG, JPG, WebP, and BMP all work.
Type your watermark or upload a logo, then set opacity, size, rotation, and position. Tile it to cover the whole photo.
Pick PNG, JPG, or WebP and click Download. Your watermarked image keeps its full original resolution.
กรณีการใช้งานยอดนิยม
Protect and brand your images for any purpose.
Stamp a copyright watermark before sharing images online to deter theft and unauthorised reuse.
Add your logo or handle to product photos, blog images, and social posts for consistent branding.
Watermark client proofs and portfolio shots before delivery to protect your work.
Mark image exports as “Draft”, “Confidential”, or “Sample” with a tiled text watermark.
Why Choose Our Watermark Tool
Add a text watermark, upload your own logo, or both. Full control over every setting.
The only mark on your image is the one you add. iFormat never brands your downloads.
Watermarks are applied at your image’s native resolution — no downscaling, no quality loss.
All processing happens locally using the Canvas API. Your images never leave your device.
Drag the watermark anywhere, snap to nine positions, or tile it diagonally across the whole photo.
Responsive design works on desktop, tablet, and mobile. No app installation required.
คำถามที่พบบ่อย
How do I add a watermark to a photo?
Can I use my own logo as a watermark?
Does the tool add its own watermark to my download?
Can I tile the watermark across the whole image?
Are my photos uploaded to a server?
What image formats can I use and export?
Can I add a watermark on my phone?
Watermarking and Image Protection Guides
Helpful articles about protecting your photos, adding logos, copyright marks, and branding images for social platforms.
เครื่องมือที่เกี่ยวข้อง
สำรวจเครื่องมือฟรีเพิ่มเติมบน iFormat.io
Compress watermarked images to reduce file size while preserving quality.
Resize images to custom or social media dimensions before or after watermarking.
ครอบตัดรูปภาพเป็นรูปร่างใดก็ได้ด้วยการตั้งค่าอัตราส่วนภาพล่วงหน้าและขนาดโซเชียลมีเดีย
Remove the background of a logo to create a clean transparent watermark.
ครอบตัดรูปภาพให้เป็นวงกลมที่สมบูรณ์แบบสำหรับรูปโปรไฟล์และอวตาร
Generate a QR code to embed as a scannable watermark or brand mark.