AmberPic

Strumento Watermark

Aggiungi watermark testo o immagine alle tue foto. Supporto batch.

Drop your images here

or click to browse. Supports JPG, PNG, WebP, GIF

How It Works

1

Upload

Select one or multiple images from your device

2

Configure

Adjust quality, format, and dimensions as needed

3

Download

Get your processed images instantly, no upload to servers

Sources & Technical References

WebAssembly codecs used by this tool:

  • libheif β€” HEIC/HEIF decoding (used by iPhones)
  • libwebp β€” WebP encoding/decoding (Google)
  • libaom / libavif β€” AVIF encoding (Alliance for Open Media)
  • mozjpeg β€” Improved JPEG encoder (Mozilla)
  • oxipng β€” PNG optimizer
  • MediaPipe β€” Face detection (for blur tools)

Standards followed:

All processing happens client-side using WebAssembly modules. No image data is transmitted to any server. The processing speed and quality are equivalent to native desktop tools.