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수십 장의 사진에 로고 및 텍스트 워터마크 일괄 삽입

Protect your photography from copyright theft. Add custom text watermarks and transparent logo overlays to batches of photos in seconds.

I
ILoveImages Editorial Team
Image Processing & Privacy Specialists
2026년 10월 12일

Content scrapers and automated AI bots harvest photography across social media and portfolio sites daily. Adding subtle, professional copyright watermarks discourages unauthorized reuse.

With ILoveImages' Watermark Image tool, you can apply custom text or PNG logo overlays across dozens of photos at once with customizable positioning, opacity, and tiling.

By utilizing modern browser WebAssembly and HTML5 Canvas pipelines, ILoveImages processes every image locally inside your device memory. This eliminates upload bottlenecks, protects your confidential files from third-party server exposure, and provides lightning-fast execution even on high-resolution camera files.

Copyright Watermark Protection Demo

Side-by-side visual comparison • Instant on-device result

Copyright Watermark Protection Demo - Unprotected Photography visual comparison (Vulnerable to Theft) before using watermark photos free
Unprotected PhotographyVulnerable to Theft
Copyright Watermark Protection Demo - Watermarked Output visual comparison (Copyright Signature) after using watermark photos free
Watermarked OutputCopyright Signature

Figure 1: Visual comparison of original unprotected photo and copyright-guarded photo with translucent watermark branding.

Watermark Photos Free

주요 핵심 기능: Watermark Image

기존 데스크톱 프로그램이나 클라우드 서비스와 달리, ILoveImages Watermark Image는 최신 WebAssembly 기술을 통해 브라우저에서 100% 안전하게 구동됩니다. 주요 핵심 기능은 다음과 같습니다:

  • Flexible Watermark Types: Support for crisp custom text watermarks, logo PNG overlays, and repeating tiles.
  • Opacity & Blend Controls: Adjust transparency to protect photos subtly without obscuring image details.
  • Batch Watermark Engine: Apply consistent copyright branding across hundreds of catalog or portfolio photos at once.
  • Full Resolution Preservation: Watermarks are rendered on original resolution canvases without downsampling.

단계별 사용 가이드: Watermark Image

프로그램 설치 없이 100% 개인정보를 보호하며, 브라우저에서 몇 초 만에 완료할 수 있는 단계별 가이드입니다:

1
브라우저에서 ILoveImages Watermark Image 도구를 엽니다.
2
이미지 파일을 브라우저 편집 영역으로 드래그 앤 드롭하거나 파일을 선택합니다 (서버 업로드 없이 브라우저 메모리에서 100% 로컬 처리).
3
Choose between 'Text Watermark' (type custom copyright notice, select font, color, opacity) or 'Image Watermark' (upload your PNG logo). Adjust placement or use full tiled grid.
4
Preview the watermarked photo across the canvas and verify logo positioning, transparency, and legibility.
5
다운로드를 클릭하여 완성된 이미지를 즉시 기기에 저장하세요. 여러 장을 일괄 처리한 경우 'ZIP으로 일괄 다운로드'할 수 있습니다.
전문가 팁:Need to process multiple pictures? You can select and upload dozens of photos at once. ILoveImages processes the entire batch simultaneously in parallel using your computer's local hardware acceleration!

Watermark Your Photos Free in Seconds

Protect your portfolio with custom text and logo branding.

무료로 도구 사용하기

자주 묻는 질문 (FAQ)

Can I tile my watermark across the entire photo?

Yes, the repeating tile pattern feature covers the entire surface to deter crop-based theft.

Can I use these tools completely offline without an internet connection?

Yes! Once you visit ILoveImages or install it as a PWA, all core scripts and WebAssembly modules are cached locally in your browser's service worker, allowing you to edit photos anywhere, even in airplane mode.

Are my uploaded photos or edits stored on any server?

Never. ILoveImages is built with a zero-server-upload architecture. Every pixel calculation occurs strictly in your browser's local sandbox memory.