How to Convert PNG to EXR

OpenEXR was developed by Industrial Light & Magic for visual effects and film production, storing image data in 16 or 32-bit floating point rather than PNG's 8-bit (or occasionally 16-bit) integer values. This gives EXR a vastly wider dynamic range and the precision needed for color grading, compositing, and lighting adjustments without the banding or clipping artifacts that lower bit-depth formats like PNG can introduce under heavy editing. EXR also supports an arbitrary number of channels and layers, well beyond PNG's RGB and alpha structure.

Converting PNG to EXR doesn't add dynamic range that wasn't captured in the original PNG — a standard PNG simply doesn't contain the extra highlight and shadow detail that true HDR photography or rendering captures. What conversion does provide is compatibility with VFX software like Nuke, Blender, Maya, and After Effects, which are built around EXR as their native working format.

1. Install Turbo Batch Image Converter Pro on your Windows PC.
2. Open the app and select Batch Mode for multiple files, or Individual Mode for a single PNG.
3. Drag your PNG file or folder into the app window, enabling recursive folder scanning if needed.
4. Set the "From" format to PNG and the "To" format to EXR.
5. Click Convert. EXR files are written to the output folder, fully offline.

• 100% offline — your images are never uploaded anywhere
• Bulk conversion of entire folders, including sub-folders, in one click
• Produces EXR files compatible with Nuke, Blender, Maya, and other VFX software
• Multi-core processing for fast handling of large batches
• Option to delete original PNG files automatically after conversion
• No recurring subscription or hidden upload limits