ORF to RB conversion is the process of transforming Olympus RAW image files (ORF), which contain unprocessed sensor data and camera metadata, into RB format images. This conversion applies demosaicing, color profiles, and optional compression or quality settings to produce RB files suitable for viewing, editing, or archiving.
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 .ORF file from your computer or use the browse function.
Confirm .rb as the selected destination format.
Click "Convert" and download your converted .RB file once ready.
The ORF file uses the MIME type image/x-olympus-orf and stores raw sensor data ideal for post-processing. RB files typically use the MIME type image/x-rb and support codecs optimized for balanced compression and quality. ORF files are commonly used by professional photographers, whereas RB is favored for quick viewing and compatibility.
The RB (.RB) format is commonly used for image. Understanding its characteristics can be helpful when converting to or from other formats like ORF.
While specific technical details aren't available here, RB files generally serve the purpose of storing image effectively within their domain.
Our Online ORF to RB Converter offers a simple and efficient way to convert ORF image files to the RB format without installing any software. Designed for photographers and digital artists, this tool ensures your ORF files maintain quality while becoming compatible with applications that support RB.
ORF is a raw image format proprietary to Olympus cameras, preserving unprocessed image data with high detail. RB, by contrast, is a more versatile format designed for efficient storage and easier access across various platforms. While ORF files are ideal for advanced editing, RB offers greater convenience for general use and sharing.
Keep original ORF files for archival: raw files contain maximum sensor detail for later reprocessing.
For best quality, convert to RB using a high-quality (lossless or high-quality) setting and a wide color profile like Adobe RGB to preserve color information.
If converting many files, use batch conversion with a preset profile to ensure consistent results and save time; test settings on a few images first.
Watch file sizes: lossless RBs can be significantly larger than compressed RBs; balance storage limits with image fidelity needs.
This converter made switching from ORF to RB effortless and fast.
Emily R.
Photographer
The image quality stayed perfect after conversion.
Mark D.
Graphic Designer
I love how easy and secure the process was online.
Lisa K.
Content Creator
Start your free ORF to RB conversion now.
Drag your file here to to upload.
Up to 250MB
Limitations: some RB variants may not support every ORF camera-specific tag or proprietary Olympus metadata, and extreme camera-specific tuning (like Olympus-specific Picture Mode) may require camera RAW processing software for exact reproduction.