AFF to EXR conversion is the process of transforming image or drawing data stored in the Affinity (AFF) file container into the OpenEXR (EXR) high-dynamic-range image format. This conversion extracts layered, raster, and color information from an AFF project and exports it into an EXR file that preserves high bit-depth, wide color gamut, and multi-channel/EXR-specific metadata for professional compositing and rendering workflows.
Related guides
Practical guides to help you choose formats, preserve quality, and avoid common conversion problems.
WebP has quietly become the default image format of the modern web, delivering 25-35% smaller files than JPG and PNG with universal browser support. This 2026 guide covers current adoption stats, browser compatibility, WordPress integration, conversion workflows, and when to choose WebP over AVIF for optimal Core Web Vitals performance.
Read guide →Not sure whether to save your image as PNG or JPG? This detailed comparison covers compression, transparency, file size, web performance, and real-world use cases so you can pick the right format every time — with conversion links when you need to switch.
Read guide →Learn how to convert HEIC to JPG for maximum compatibility. This guide explains what HEIC is, why iPhones use it, the key differences between HEIC and JPG, and walks through every conversion method including online tools, iPhone settings, Windows, and Mac.
Read guide →Drag your .AFF file from your computer or use the browse function.
Confirm .exr as the selected destination format.
Click "Convert" and download your converted .EXR file once ready.
AFF files use the MIME type image/aff and are primarily utilized in digital painting and illustration software supporting layers. EXR files have the MIME type image/exr and are designed for visual effects and compositing, supporting multiple channels and high bit-depth codecs like OpenEXR. The conversion process maps layered AFF data into the EXR format while preserving color accuracy.
The EXR (.EXR) format is commonly used for image. Understanding its characteristics can be helpful when converting to or from other formats like AFF.
While specific technical details aren't available here, EXR files generally serve the purpose of storing image effectively within their domain.
Convert your AFF files to EXR effortlessly with our online AFF to EXR converter. Designed for artists, designers, and professionals, our tool ensures a seamless transformation from AFF to the widely used EXR format without any software installation.
AFF files typically store layered image data commonly used in specific drawing applications, whereas EXR is an industry-standard format for high dynamic range images frequently used in film and VFX. While AFF focuses on editable layers, EXR emphasizes high fidelity and extensive color depth.
Keep source AFF files under 500 MB for smooth single-file conversions; split very large Affinity projects into exportable sections for best results.
To preserve maximum dynamic range, export EXR using half (16-bit float) or float (32-bit) channels and choose lossless compression like ZIP or PIZ.
For batch conversions, flatten unnecessary layers first or export layers as separate AFFs to reduce memory footprint; use a batch tool or script-capable converter to automate multiple files.
Be aware that AFF-specific features (Affinity live non-destructive adjustments, certain vector objects, and some layer effects) may be rasterized during EXR export—check exported layers to ensure intended appearance.
This AFF to EXR converter saved me hours on project deadlines.
Michael R.
VFX Artist
Simple, fast, and accurate—exactly what I needed for my workflow.
Anna L.
Graphic Designer
Reliable conversion with no loss of quality between AFF and EXR formats.
David S.
Animator
Start your free AFF to EXR conversion now.
Drag your file here to to upload.
Up to 250MB
If you need multiple render passes (AOVs), prepare AFF layers/naming consistently so the converter can map layers to EXR channels or use multi-part EXR export where available.