How Batch Image Conversion Works in Your Browser
Modern browsers support high-performance off-main-thread image processing using Web Workers and OffscreenCanvas. By decoding and re-encoding raster image data locally, you can convert dozens of pictures instantly without uploading sensitive files to any external cloud server.
Supported Formats & Best Use Cases
- WebP: Next-generation image format offering superior lossy and lossless compression. Reduces file size by 25–35% compared to JPEG while preserving visual fidelity. Ideal for web performance and SEO Core Web Vitals.
- JPEG / JPG: Universal lossy compression standard best suited for photographic content and complex imagery where high color depth is required.
- PNG: Lossless compression supporting full alpha transparency. Perfect for logos, interface mockups, icons, and illustrations with sharp geometric boundaries.
Frequently Asked Questions
- Minhas imagens são enviadas para algum servidor?
- Não. Todas as conversões e arquivos ZIP ocorrem diretamente na memória do navegador.
- Quantas imagens posso converter de uma vez?
- Até 20 arquivos ou 50MB no total por lote.
- Como baixar todas as imagens convertidas?
- Basta clicar em "Baixar Tudo (.zip)" para obter um único arquivo compactado.