Winzerk

Conversion Guides

Choose a guide based on the files you have and what the receiving app needs. Each guide explains useful settings and tradeoffs; all conversions use the same browser-local Winzerk converter.

Open the converter →

HEIC / HEIF photos

  • Convert HEIC to JPG — Turn HEIC phone photos into JPEG files locally. Learn when JPG helps, how to choose quality, and how to download a batch.
  • Convert HEIC to PNG — Export HEIC photos as PNG in your browser for editors and workflows that accept PNG. Understand file size and the limits of lossless output.
  • Convert HEIC to BMP — Prepare HEIC photos as uncompressed grayscale or color BMP files. Choose the correct bit depth and dimensions for your target software.
  • HEIC to JPG for an Aura frame — Prepare a family-photo batch for Aura’s computer Web Uploader.

JPG / JPEG images

  • Convert JPG to PNG — Save JPEG images as PNG for editing or PNG-only imports. Learn why this does not restore lost detail or remove a background.

PNG images

  • Convert PNG to JPG — Convert PNG photos to JPEG locally. Understand quality, white backgrounds for transparency, and why screenshots may be better kept as PNG.

WebP images

  • Convert WebP to JPG — Convert a WebP image to JPEG for a JPG-only uploader. Check transparency, compression and still-image limitations before downloading.
  • Convert WebP to PNG — Make PNG copies of WebP graphics in your browser. Preserve decoded transparency and avoid another lossy export for still images.

BMP images

  • Convert BMP to JPG — Make shareable JPEG copies of BMP photos locally. Learn about lossy compression, grayscale sources and technical-image cautions.
  • Convert BMP to PNG — Export browser-readable BMP images as PNG without JPEG-style loss. Understand palette changes, technical data limits and resizing.

Specialized output from supported images

  • Convert an Image to ICO — Build a multi-size ICO from an image locally. Learn which icon sizes Winzerk includes and how artwork is fitted without stretching.
  • 8-bit grayscale BMP guide — Understand grayscale palettes, exact dimensions, and technical BMP imports.