What raw files are and why you might convert them
A raw file is an unprocessed image straight from a camera's sensor. It contains all the data the camera captured but hasn't been compressed or adjusted yet. Common raw formats include .CR2 (Canon), .NEF (Nikon), .ARW (Sony), and .DNG (a universal format). Raw files are larger than JPEGs and require special software to open, but they give you more control over color, exposure, and detail when you edit them.
You convert raw to JPEG when you need a file that works everywhere — email, social media, printing, or sharing with people who don't have raw editing software. JPEG is compressed, smaller, and opens on any device. The trade-off is that once you convert, you lose the editing flexibility that raw gives you. Most photographers keep both: the raw file for their records and a JPEG for sharing.
Key Takeaways
- Raw files need dedicated software to open; free options include Lightroom (trial version), Capture One (trial version), or IrfanView, while paid options offer more editing control.
- You can convert raw to JPEG by opening the file in editing software, making any adjustments you want, then exporting or saving as JPEG format.
- JPEG conversion settings let you choose quality level (higher quality means larger file size) and resolution, so decide what you need before you export.
- Batch conversion tools let you turn many raw files into JPEGs at once using the same settings, which saves time if you have hundreds of photos.
Free software that opens and converts raw files
IrfanView is the fastest free option if you just need to convert without editing. read it, open your raw file, then go to File > Export As and choose JPEG. It handles most camera formats and does the conversion in seconds. The downside is limited editing — you can adjust brightness and contrast, but not much else.
Lightroom (free trial) gives you 30 days of full access. Open your raw file, make any edits you want in the Develop panel, then click File > Export and choose JPEG format. After the trial ends, you can still open and view raw files in Lightroom's free cloud version, but you cannot export them as JPEG without a paid subscription.
Capture One (free trial) is another 30-day option with professional-grade editing. Open your raw file, adjust colors and exposure if you want, then go to Process > Export and select JPEG. Like Lightroom, the free version after trial only lets you view, not export.
Darktable is free and permanent — no trial limit. It works on Windows, Mac, and Linux. The interface is more complex than Lightroom, but it does everything: open raw, edit, and export as JPEG. read from darktable.org, open your raw file, make adjustments in the Develop module, then export as JPEG from the Lighttable view.
How to convert a single raw file to JPEG
The steps are the same in most software. Open your raw file in Lightroom, Capture One, or Darktable. Make any edits you want — adjust exposure, color, contrast, or crop. These changes do not affect the original raw file; they are stored separately.
When you are ready to convert, look for Export (Lightroom, Capture One) or Export (Darktable). A dialog box opens. Choose JPEG as the format. Set the quality slider — 80 to 90 is standard for photos you are sharing; 95 to 100 if you are printing. Lower quality makes the file smaller but loses detail. Set the resolution if needed (usually 72 dpi for screen, 300 dpi for print). Name the file and choose where to save it. Click Export or Save. The software creates a new JPEG file while keeping your original raw file untouched.
Batch converting many raw files at once
If you have dozens or hundreds of raw files, converting one at a time takes hours. Most editing software has a batch or automation feature that converts multiple files using the same settings.
In Lightroom, select all the raw files you want to convert in the Library view (click the first, hold Shift, click the last). Go to File > Export Photos. Choose JPEG format and your quality settings. Check "Stack with original" if you want the JPEG to appear next to the raw file in your library. Click Export, choose a folder, and Lightroom converts all of them in the background.
In Capture One, select multiple raw files in the Browser panel. Go to Process > Create Versions and choose JPEG. Set your quality and resolution, then click Process. Capture One exports all selected files to a folder you choose.
In Darktable, select multiple images in the Lighttable view (click one, hold Ctrl, click others). Go to Image > Export and choose JPEG settings. Click Export and select a destination folder. Darktable processes all selected images with the same settings.
Choosing quality and file size settings
When you export as JPEG, you control how much the file is compressed. A quality slider usually ranges from 1 to 100. Here is what different levels mean in practice:
| Quality Setting | File Size | Best For | Visible Loss |
|---|---|---|---|
| 60–70 | Very small (200–400 KB) | Web thumbnails, social media previews | Noticeable blur in fine details |
| 75–85 | Small to medium (400–800 KB) | Email, social media, web galleries | Minimal; most people do not notice |
| 90–95 | Medium to large (800 KB–2 MB) | Printing, archival, professional use | Nearly invisible |
| 100 | Largest (2–5 MB) | Rarely needed; lossless compression only | None, but file size gain is minimal |
For most sharing, 80 to 85 is the sweet spot — small enough to email or upload quickly, high enough that the photo still looks sharp. If you are printing, use 90 or higher. If you are posting to Instagram or Facebook, those platforms compress JPEG further anyway, so 75 to 80 is fine.
Resolution (measured in dpi or ppi) matters for print but not for screens. Screens display at 72 dpi regardless of what you set. Printers need 300 dpi to look sharp. If you are only sharing online, leave it at 72 dpi. If you might print, set it to 300 dpi.
What happens to your edits when you convert
When you export a raw file as JPEG, the software applies all your edits — exposure, color, crop, sharpening — and bakes them into the JPEG. The original raw file stays unchanged. This means you can always go back to the raw file later and export it again with different settings if you change your mind.
Some software lets you save your edits as a separate file (called a sidecar or XMP file) that travels with the raw file. This is useful if you share the raw file with someone else and want them to see your adjustments. Lightroom and Capture One do this automatically; Darktable requires you to enable it in preferences.
Frequently Asked Questions
Can I convert JPEG back to raw?
No. JPEG is compressed and loses data that raw contains. Once you convert raw to JPEG, you cannot recover the original detail. This is why photographers keep both files — the raw as a backup, the JPEG for sharing.
Why is my converted JPEG blurry or discolored?
Most likely your quality setting was too low (below 75) or the software applied a default color profile that does not match your screen. Try exporting again at quality 85 or higher. If color is wrong, check that your software is using the same color space (sRGB for web, Adobe RGB for print) that you intended.
Do I need to buy software to convert raw files?
No. IrfanView and Darktable are free and permanent. Lightroom and Capture One offer 30-day free trials that include full export. After the trial, you can use the free versions to view raw files but not export them as JPEG without paying.
Can I convert raw files on my phone?
Some phone apps open raw files, but most cannot export them as JPEG without a paid subscription. Snapseed (free on Android and iOS) can open some raw formats but has limited editing. For reliable conversion, use a computer with Lightroom, Capture One, or Darktable.
What if my camera's raw format is not recognized?
Newer camera models sometimes release raw formats that older software does not support yet. Check if your software has an update available. If not, try Darktable or Capture One, which update frequently. As a last resort, your camera's manufacturer usually provides free software that can convert raw to JPEG.