Turn DNG RAW files from cameras, phones and the Adobe DNG Converter into JPGs, in your browser, without Lightroom and without uploading anything.
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DNG (Digital Negative) is the open RAW format created by Adobe. Some cameras shoot it natively, iPhones save ProRAW photos as DNG, many Android camera apps offer it, and the free Adobe DNG Converter turns other RAW formats into it. Whatever made your DNG, it has the same problem as every RAW file: phones, apps, web forms and most viewers can't open it.
This converter turns DNG files into JPGs in your browser using the preview image stored inside the file. It is quick and private, and it tells you the output size for every file, because different DNG sources store very different preview sizes.
Before
DNG, iPhone 12 Pro ProRAW
≈ 25 MB
Opens in raw editors only; rejected by most apps, forms and websites.
After
JPG, 4032 × 3024
≈ 3–5 MB
Full resolution, upright, with the look the phone rendered.
Measured on a sample iPhone 12 Pro ProRAW file. DNG previews vary by source: see the table below. The tool shows the output size for every file.
Drop .DNG files into the workspace above, or click to choose them, up to 100 MB each.
Choose 90–100% for the best quality, or about 80% for smaller files.
Click Convert to JPG. The tool reports the size if a file only contains a small preview.
Save JPGs individually or download all of them as a ZIP.
| DNG source (test file) | Embedded preview | JPG output |
|---|---|---|
| iPhone 12 Pro (ProRAW) | 4032 × 3024 | Full resolution |
| Adobe DNG Converter, Full Size preview | 5760 × 3840 | Full resolution |
| Adobe DNG Converter, default Medium preview | About 1024 px | Small, screens only |
| Google Pixel 7 Pro | 1280 × 964 | Small, screens only |
Adobe published DNG in 2004 as an open, documented alternative to the many proprietary RAW formats. A DNG holds the raw sensor data, colour calibration information so any compliant software can interpret it, metadata, and optionally one or more JPEG previews. It is based on the TIFF structure.
Today DNG is used by Leica, Pentax and Ricoh cameras, by DJI drones, by iPhone ProRAW, by many Android phones in "Pro" or "RAW" mode, and by anyone who converts their RAW library with Adobe DNG Converter or Lightroom.
A RAW file has to be developed before it becomes a picture. Most devices that write DNG files also store a developed preview inside them, so viewers can show the photo instantly. This converter finds every complete preview in the DNG, keeps the largest, rotates it upright using the orientation recorded in the file and encodes a JPG at the quality you choose.
It does not develop the raw sensor data itself. That keeps it fast and faithful to how the camera or phone rendered the photo, but it also means the output can never be larger than the preview the file contains.
The DNG specification lets the creating software decide how large a preview to embed, if any. In our tests an iPhone 12 Pro ProRAW file held a full 4032 × 3024 preview, and a DNG made by Adobe DNG Converter with the "Full Size" option held a full 5760 × 3840 preview, so both converted at full resolution. A Google Pixel 7 Pro DNG held only 1280 × 964.
Adobe DNG Converter's default setting is a "Medium Size" preview, roughly 1024 pixels on the long side. If you convert your own RAW files to DNG, change "JPEG Preview" to "Full Size" in its Preferences first; the files grow by a few megabytes but convert here at full resolution.
ProRAW combines Apple's computational photography (Smart HDR, Deep Fusion, Night mode) with raw data. The phone stores its fully processed rendering inside the DNG as a full-resolution preview, and that is exactly what this converter saves, upright and at the quality you pick. The result looks like the photo in your Photos app.
ProRAW files are large (often 25 MB or more for 12 MP), so converting them is a quick way to share or upload ProRAW photos without editing them first. For ordinary iPhone photos saved as HEIC, use the HEIC to JPG converter instead.
Use a raw developer when a photo needs real editing: exposure recovery, white balance, noise reduction, or a full-resolution export from a DNG with a small preview. Lightroom and Lightroom Mobile, darktable, RawTherapee and Snapseed all open DNG files.
Use this converter when the rendered image is what you want and you need a JPG now: to share, upload, attach to an email or view on a device without raw software. For smaller files afterwards, resize with the Image Resizer or hit an exact limit with the Image Compressor.
Your DNG files are read and converted on your own device and the JPGs are saved directly to your downloads folder. Nothing is uploaded or stored anywhere else. The JPGs are written without the DNG's EXIF metadata, so location and device details are removed before you share them.
Full-size JPGs that look like the Photos app version, ready for messaging and email.
Pull quick JPGs out of a DNG library made with a full-size preview.
Convert DNG files from drones and DNG-native cameras for quick review.
Upload forms reject DNG; convert, then resize or compress as needed.
DNG files can store a JPEG preview next to the raw data. The converter extracts the largest preview, turns it upright using the orientation in the file and saves it as a JPG at your chosen quality. It does not develop the raw sensor data.
That depends on what created the DNG. iPhone ProRAW files store a full-size preview (4032 × 3024 in our test), as do DNGs saved with a "Full Size" preview. Adobe DNG Converter's default "Medium Size" preview and some Android phones store much smaller previews. The tool shows the output size for every file.
Yes. ProRAW DNGs from iPhone Pro models include a full-resolution preview rendered by the phone, so you get a full-size JPG that looks like the photo in your Photos app.
Some phone camera apps store only a small preview in their DNG files (our Google Pixel 7 Pro file held 1280 × 964). To get a full-size JPG from those, develop the DNG in a raw editor such as Lightroom Mobile, Snapseed or darktable and export from there.
In Adobe DNG Converter, open Preferences and set "JPEG Preview" to "Full Size" before converting. Lightroom Classic has the same option when exporting DNG files. DNGs created that way convert here at full resolution.
No. The files are read and converted in your browser and the JPGs are saved to your device. Nothing is sent to a server.
No. Those adjustments need a raw developer working on the sensor data, such as Lightroom, darktable or RawTherapee. This tool turns the DNG into a JPG as rendered.
No. The JPG is written from the image pixels, so EXIF data like the camera, capture time and GPS location is not copied. Keep the DNG originals if you need it; the EXIF viewer shows what they contain.