CONVERT
ORF → PNG
Fast, secure ORF to PNG conversion. No registration required.
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Here is the short version — ORF is Olympus's RAW camera format. Hence the need for PNG. A ORF → PNG operation is one of the simplest image jobs there is: same pixel grid, different wrapper. What genuinely changes is how lossy the codec is, whether alpha survives, and how large the final file ends up. KaijuConverter picks safe defaults for each of those and lets you override them under Advanced. One more beat. ORF is Olympus's RAW camera format. Receiving format: PNG is the lossless image standard with alpha-channel transparency and deflate compression.
Olympus RAW ORF
Source formatORF is Olympus camera RAW format.
PNG Image
Target formatPNG is a lossless image format that supports transparency. It is ideal for graphics, logos, screenshots, and any image where preserving exact pixel data is important.
Why convert ORF to PNG
The real reason to move from ORF to PNG is almost never picture quality — both raster formats store essentially the same pixels. It is about the tools downstream: which editors open the file natively, which CMSes upload it without transcoding, which social platforms accept it. Picking PNG solves those edge cases at the cost of a short conversion step.
HOW TO CONVERT
ORF → PNG
Provide the ORF
Click or drag to upload. We accept a single ORF file per job, with an optional queue of additional images for batch mode.
Encode to PNG
The conversion decodes the ORF, resolves the colour space to sRGB and writes the PNG container around the pixel data.
Save the PNG
The download is streamed back over HTTPS. If you uploaded multiple files, a ZIP with all PNG outputs is produced instead.
Common Use Cases
Document embeds
Word, Google Docs and Pages embed PNG with correct aspect ratio; ORF may appear as a broken image icon.
Printer-friendly export
Consumer and office printers drive PNG through their print spoolers with no additional drivers.
Presentation slides
PowerPoint and Keynote treat PNG as a first-class citizen; ORF may need manual re-insertion per slide.
Online form uploads
Identity verification, job applications and legal forms often list PNG as the only accepted image format.
ORF vs PNG — Strengths and limitations
What each format does best, and where it falls short.
ORF Strengths
- Compact files relative to sensor size (Four Thirds is smaller than APS-C).
- Computational photography features (Live Composite, Pro Capture) baked into format.
- Stable across 20+ years of Olympus/OM SYSTEM bodies.
- In-body stabilization means ORF handheld shots rival tripod work.
Limitations
- Smaller sensor means less dynamic range than full-frame raws.
- Lossy compressed ORF is the default — hidden quality loss.
- Market share is small; fewer tutorials and fewer Lightroom profiles.
PNG Strengths
- Lossless compression — every save preserves the original pixels perfectly.
- Full 8-bit alpha channel for smooth transparency.
- Excellent for text, UI screenshots, logos, and line art.
- Royalty-free and an ISO standard (ISO/IEC 15948).
- Supports 16-bit color depth for high-fidelity work.
Limitations
- Much larger than JPEG for photographs (no perceptual compression).
- No native animation in most software (APNG support is inconsistent).
- No CMYK support — web and screen only, not print.
ORF vs PNG — Technical specifications
Side-by-side comparison of the technical details.
| Specification | ORF | PNG |
|---|---|---|
| MIME type | image/x-olympus-orf | image/png |
| Extension | .orf | — |
| Container | TIFF/EP with Olympus MakerNote | — |
| Sensor format | Four Thirds / Micro Four Thirds | — |
| Bit depth | 12 or 14-bit | — |
| Compression | — | Lossless — DEFLATE (zlib) |
| Color depth | — | 1, 2, 4, 8 or 16 bits per channel |
| Max dimensions | — | 2^31 − 1 pixels per side (2.1 billion) |
| Transparency | — | Full 8-bit alpha channel |
| Standard | — | ISO/IEC 15948:2004 |
ORF vs PNG — Typical file sizes
Approximate file sizes for common scenarios.
ORF
- 20 MP ORF (OM-1, E-M1 III) 18-25 MB
- 50 MP Hand-Held High Res composite 60-80 MB
- 80 MP Tripod High Res ORF 100-140 MB
PNG
- Icon or small logo 2–20 KB
- UI screenshot (1920×1080) 200–800 KB
- High-res photo (12 MP) 10–30 MB
- Print-ready illustration 5–50 MB
Quality & Compatibility
ORF-to-PNG conversion does not change the visible content. Quality is capped by the ORF decode; re-encoding a lossy source at high quality cannot recover detail that was already discarded. For archival masters, keep the original ORF alongside the PNG copy.
Tips for Best Results
- Large ORF files may look identical to small PNG files for photographic content; pick quality based on end use, not headline megapixels.
- For print, export PNG at 300 DPI minimum and check that the colour profile embedded matches the print shop specification.
- Batch-convert related ORF images in one pass so they share identical encoder settings and look consistent side-by-side.
Frequently Asked Questions
Frequently Asked Questions
It depends on the codecs involved. If both ORF and PNG are lossy, the pixels are re-encoded and a small amount of detail is discarded — invisible at default quality settings on photographs. If PNG is lossless (PNG, TIFF, BMP) the output keeps every pixel of the decoded ORF exactly, but cannot recover detail that ORF had already compressed away.
Often yes, especially when PNG is lossless. ORF tuned for efficient web delivery will usually produce smaller files than PNG's default settings. If file size matters, drop the quality in Advanced or pick a more compressed target format instead.
KaijuConverter uploads over HTTPS, processes the image in an isolated container and deletes both the source and the output within two hours. No account is required, file contents are never logged, and we do not use uploads to train any model. For confidential material, the paid plan includes a data-processing agreement.
Related comparisons
See these formats side by side to understand which fits your use case best.
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Read guideSecure & Private Conversion
Your files are encrypted during transfer, processed in isolated containers, and automatically deleted within 60 minutes. We never read, share, or store your data.