RAW vs JPEG: Why Presets Look Too Strong on Phone Photos
The same preset can look refined on a RAW file and harsh on a phone JPEG. Here is what is actually different between the two, and how to adjust for it.
You apply a preset to a photo from your camera and it looks refined. You apply the same preset to a photo from your phone and it looks harsh, crunchy and over-processed.
Nothing is wrong with the preset. The two files are simply not carrying the same amount of information, and a preset asks for more of it than a JPEG has left to give.
What is actually in a RAW file
A RAW file is close to everything the camera sensor recorded, with almost no processing applied. It typically stores 12 or 14 bits of information per colour channel, which works out to thousands of distinct brightness levels between black and white.
That headroom is what lets you pull back a bright sky that looked lost, or lift a shadow without it turning into coloured mush. The detail was always recorded. Editing simply decides how much of it to show.
What happens when a JPEG is made
A JPEG is a RAW file that has already been developed, by your camera or phone, and then compressed to save space. Three things happen in that process, and all three matter here.
The data is cut to 8 bits. Instead of thousands of brightness levels per channel, you get 256. That sounds like plenty, and for viewing it is. For editing it is not, because every adjustment stretches those levels further apart. Push hard enough and you see banding, where a smooth gradient like a sky breaks into visible steps.
Processing is baked in permanently. Contrast, sharpening, saturation and noise reduction have already been applied, and the decisions cannot be undone. Phone cameras in particular apply very aggressive processing, because the images are designed to look good straight out of the camera with no editing at all.
Detail is thrown away. JPEG compression discards information the eye is unlikely to notice. In a normal photo that is fine. Under heavy editing, those discarded areas are exactly where artefacts appear.
Why this makes presets look too strong
Put those together and it becomes obvious. Your phone already added contrast and saturation. The preset then adds a second helping of contrast and saturation on top, applied to a file with a fraction of the tonal room a RAW file has.
You are not seeing a preset that is too aggressive. You are seeing two rounds of processing stacked on one thin file. This is also why every GeoTones pack is tested on phone JPEGs as well as RAW files, rather than only on the files that make a preset look its best.
It is also why highlights blow out so easily on JPEG. On a RAW file you usually have one to two stops of recoverable highlight detail. On a JPEG, once something has reached pure white, there is genuinely nothing behind it to recover.
How to edit JPEGs so presets still look good
None of this means you cannot get excellent results from phone photos. It means adjusting your approach.
Start at around 80 percent strength
If your version of Lightroom has an Amount slider for presets, set it to about 80 and judge from there. Go down to 60 or 65 if the image is already colourful, high in contrast, or shot with flash. This single habit solves most of the problem.
Fix exposure before the preset, not after
This matters on every file type, but it matters most on JPEG, because you have so little room to correct afterwards. Get the brightness right first, then apply the look.
Go easier on contrast, clarity and texture
These three amplify what is already baked in. If the preset pushes them and the image looks brittle, pull them back a little after applying. You are not undoing the look, you are accounting for work your phone already did.
Watch the histogram edges
Keep an eye on the far left and far right of the histogram. Anything stacked hard against either edge is detail you have permanently lost. On RAW you can often nudge it back. On JPEG you cannot.
Shooting RAW on a phone
Most modern phones can shoot RAW, and it is worth turning on if you edit regularly.
On iPhone, Apple ProRAW is available on Pro models under Settings, Camera, Formats. On Android, most manufacturer camera apps offer a RAW or Pro mode. The free Adobe Lightroom mobile app also has its own camera that shoots DNG RAW on almost any phone, which is the simplest route if your built-in camera app does not support it.
The files are larger and they look flat before editing, which puts people off at first. That flatness is the point. It means nothing has been decided for you yet.
The short version
- RAW: apply presets at full strength, adjust to taste. Roughly one to two stops of highlight recovery available.
- JPEG: start at 80 percent, drop to 60 to 65 percent on difficult images. Almost no highlight recovery, so protect your highlights when shooting.
- Either way: exposure and white balance first, preset second.
If a preset still behaves unpredictably from photo to photo, the wider explanation is in why Lightroom presets look different on every photo.
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