Picovert

How to Convert RAW to JPG Free: 5 Methods for Every Platform

By Picovert Team2026-02-105 min read

RAW files from digital cameras — CR2, CR3, NEF, ARW, RAF, DNG — capture every bit of sensor data, which is why they weigh 20–50 MB each. That same photo as a JPEG is typically 2–8 MB and opens in every browser, phone, and app without special software. This guide covers five free methods to convert RAW to JPEG on any platform, with quality guidance for each.

Why Convert RAW to JPEG?

  • File size: a single RAW file at 25–50 MB becomes 2–8 MB as JPEG — up to a 90% reduction that makes sharing, uploading, and storage far more practical
  • Compatibility: JPEG is universally supported in all browsers, social media platforms, email clients, and messaging apps. RAW requires specialist software to open
  • Delivery workflow: photographers export RAW to JPEG as the final delivery step — RAW stays in the archive, JPEG goes to the client or online gallery
  • Quick preview: if you haven't edited the shot and just need a shareable copy, you can export the embedded JPEG preview directly from the RAW file without any processing

Always keep your original RAW files. A RAW file cannot be recovered from a JPEG — the editing data and extra sensor information are permanently gone once you delete it.

Common RAW Formats by Camera Brand

  • Canon: CR2 (older models, up to ~2018), CR3 (current mirrorless and DSLR cameras)
  • Nikon: NEF (most cameras), NRW (compact Coolpix cameras)
  • Sony: ARW
  • Fujifilm: RAF
  • Panasonic: RW2, RAW
  • Olympus / OM System: ORF
  • Adobe / universal: DNG (used by Adobe DNG Converter, newer Leica, Hasselblad, and some Android phones)
  • Leica: DNG, RWL

Method 1: Mac Preview (Free, Built-In)

Mac Preview supports most RAW formats natively using Apple's RAW processing engine. No downloads needed.

  1. Double-click the RAW file — it opens in Preview automatically
  2. Go to File → Export
  3. In the Format dropdown, select JPEG
  4. Set the Quality slider:
    • 90–95: archiving or printing — near-lossless output
    • 80–85: sharing and web use — imperceptible difference at screen sizes
  5. Click Save

Note: Mac Preview's RAW rendering is good but not as refined as Lightroom or camera manufacturer software for edge cases like extreme highlights or noisy high-ISO shots. For most daylight photography it produces excellent results.

Method 2: Windows — Photos App and Camera Codecs

Windows 10 and 11 support many RAW formats through Microsoft's built-in RAW codec, but coverage varies by camera model.

  1. Open the RAW file in the Photos app. If it opens (shows a preview), Windows already has the codec for your camera
  2. Click the Edit & Create button, then Edit
  3. When done, click Save a copy — Photos saves as JPEG by default

Alternatively, open the RAW in Paint, then go to File → Save As → JPEG. Paint doesn't give quality control but works for a quick conversion.

If Windows can't open your RAW file, install your camera manufacturer's free software: Canon Digital Photo Professional (DPP), Nikon ViewNX-i, or Sony Imaging Edge. Each includes a JPEG export function.

Method 3: Adobe Lightroom Mobile (Free App)

The free tier of Adobe Lightroom Mobile on iOS and Android can import RAW files from your camera roll or via USB and export to JPEG — no Creative Cloud subscription needed for this workflow.

  1. Install Adobe Lightroom from the App Store or Play Store
  2. Tap Add Photos and import your RAW files (transfer from camera via USB or import from Files)
  3. Select the photo, apply any adjustments if needed
  4. Tap the Share icon, then Export As
  5. Choose JPEG, set quality to 80–95, select resolution, then tap Export

Lightroom Mobile uses Adobe's full RAW processing pipeline, so color and detail quality is excellent even without a paid subscription. The free tier does not include cloud sync, but local import and export work fully.

Method 4: darktable (Free Desktop App)

darktable is a free, open-source RAW editor for Windows, Mac, and Linux with professional-grade color processing. It's a capable Lightroom alternative for photographers who want full desktop control without a subscription.

  1. Download darktable from darktable.org and install
  2. Drag your RAW files into the Lighttable view to import
  3. Apply any edits in the Darkroom view if desired
  4. Select the images and click Export (bottom-left button)
  5. Set format to JPEG, quality to 85–95, then click Export

darktable includes full color profile support and supports batch export of hundreds of files at once — very useful when you have a large shoot to convert.

Method 5: ImageMagick (Command Line)

ImageMagick is a free command-line tool that handles most RAW formats. It's ideal for scripted batch conversion of many files.

  1. Install ImageMagick: on Mac run brew install imagemagick; on Windows download the installer from imagemagick.org; on Linux use sudo apt install imagemagick
  2. Convert a single file:
    convert input.cr2 -quality 90 output.jpg
  3. Batch convert all CR2 files in a folder:
    for f in *.cr2; do convert "$f" -quality 90 "${f%.cr2}.jpg"; done
  4. For NEF (Nikon) files:
    for f in *.nef; do convert "$f" -quality 90 "${f%.nef}.jpg"; done

Note: ImageMagick uses a basic RAW decoder (dcraw under the hood) rather than camera manufacturer profiles. Results are good for well-exposed shots but may differ from Lightroom or manufacturer software for challenging exposures or very high ISO images. Always check a few sample outputs before batch-converting a large set.

JPEG Quality Settings for RAW Conversion

  • Quality 90–95: archiving converted files — very high quality, files are typically 4–8 MB. Use when you want the best JPEG version for long-term storage
  • Quality 80–85: web sharing and social media — excellent quality at web sizes, files around 2–5 MB. The difference from quality 90 is imperceptible on screens
  • Quality 75–80: email and messaging — good quality, files under 2 MB, fast to send

Always edit from RAW and export to JPEG — never re-save a JPEG after editing in another app, as each save cycle adds compression artifacts. Once you have a JPEG, use image compression to fine-tune the file size without re-editing. For converting other formats, try our free image converter which handles JPEG, PNG, WebP, AVIF, and more.