To make a Photoshop image super high quality, denoise first, enlarge once with Super Resolution, refine with Preserve Details 2.0, work in 16-bit, then sharpen last at 100% zoom. This nine-step order keeps every pixel you own and adds only what the algorithms can honestly add. Budget about 20 minutes per photo.

Key findings:

  • Adobe's Super Resolution doubles width and height — 4× the total pixels — and works on raw, JPEG, and TIFF files. Adobe's documentation adds one hard limit: you can enhance an image only once.
  • 16-bit editing gives 65,536 tonal levels per channel against 256 in 8-bit — 256× more. Banding in gradients disappears before it starts.
  • Sharpening cannot create detail. Adobe's sharpening guide says it only raises edge contrast, and warns that over-sharpening produces halos, jagged edges, and noise.
  • The prepress screen rule still sets print targets: image resolution of 1.5 to 2× the press screen frequency. A 150 lpi press wants 225 to 300 PPI files.

How do you make a Photoshop image super high quality?

Run the sequence below in this exact order. Each step protects the work of the step before it. Skip one and the file pays for it later — usually at the print counter.

  1. Duplicate the layer and convert it to a Smart Object.
  2. Open the file through File → Open so Camera Raw handles it.
  3. Run Denoise before you enlarge anything.
  4. Apply Enhance → Super Resolution once, for 2× width and height.
  5. Switch to 16 Bits/Channel, then correct tone and color.
  6. Retouch locally on separate layers.
  7. Clear remaining noise with Filter → Noise → Reduce Noise.
  8. Sharpen last with Smart Sharpen at 100% zoom.
  9. Export a 16-bit TIFF master plus a JPEG at quality 11, then verify it.

Key finding: order matters more than settings. A perfect sharpen pass applied before resizing is wasted — resizing softens the edges you just sharpened. Sharpening is always the last thing that touches pixels.

If the pixels are already right and only the file's label is wrong, skip the whole workflow. The free DPI Converter on this site rewrites resolution metadata in your browser, with no upload and no change to a single pixel.

What actually makes an image high quality in Photoshop?

"High quality" is not one setting. Five measurable properties decide whether a file survives contact with a printer, a client, or a 4K screen. Knowing which one is failing tells you which tool to reach for.

PropertyWhat it controlsHow to raise it
Pixel countMaximum print size at 300 PPISuper Resolution, Preserve Details 2.0
Tonal depthSmooth gradients, no banding16 Bits/Channel, shoot or scan in raw
Noise levelClean shadows and smooth skinCamera Raw Denoise, Reduce Noise filter
Edge acuityPerceived crispness at final sizeSmart Sharpen applied last, at 100%
Effective PPIPrint density for the target paperCorrect pixel dimensions for the print size

Effective PPI is the property people miss. It is not stored in the photo — it is the result of dividing pixel width by print width. A 3,000-pixel-wide photo looks superb small and falls apart large, because the same pixels get stretched across more paper.

Effective PPI of a 3,000-pixel photo as print width grows: 750, 375, 300, 250, 188 PPI Same photo, 3,000 px wide — printed at different sizes 4 in wide 750 PPI 8 in wide 375 PPI 10 in wide 300 PPI 12 in wide 250 PPI 16 in wide 188 PPI 300 PPI print target
The math never changes: effective PPI = pixel width ÷ print width. Everything left of the dashed line prints comfortably; everything right of it does not.

The rule is one division. Divide your pixel width by the print width in inches, and you have the density the paper will receive. Below roughly 200 PPI at normal reading distance, softness becomes obvious. Above 300 PPI, extra density buys nothing a human eye can detect. Need the number for your own file? The DPI calculator returns it in one step.

What order of operations preserves the most detail in Photoshop?

The nine steps from the quick answer, in full. This is the sequence a retouching desk runs on every file that has to hold up in print.

  1. Duplicate and convert. Press Ctrl+J (Cmd+J), then convert the copy to a Smart Object. Every filter you apply becomes a re-editable Smart Filter.
  2. Open through Camera Raw. Use File → Open on a raw file, or set Camera Raw to open JPEGs and TIFFs under Preferences → File Handling. Adobe documents that Super Resolution is unavailable through Filter → Camera Raw Filter — the file must open in Camera Raw itself.
  3. Denoise first. Grain that survives enlargement becomes 4× larger grain. Clean it while the image is still small and cheap to process.
  4. Enlarge once with Super Resolution. Right-click → Enhance → Super Resolution. You get 2× width, 2× height, and a new DNG file. Each image can be enhanced only once, so crop to the final frame first.
  5. Go 16-bit. Image → Mode → 16 Bits/Channel. Editing an 8-bit file through heavy curves is how banding starts.
  6. Grade globally. Levels, Curves, white balance, and local contrast — all on the Smart Object, all still reversible.
  7. Repair locally. Healing, cloning, and dust removal on their own layers, so nothing destructive lands on the graded pixels.
  8. Reduce noise. Filter → Noise → Reduce Noise, or Camera Raw's Detail panel. Balance Strength against Preserve Details until the grain goes and the texture stays.
  9. Sharpen last, at 100%. View → 100% (Ctrl+1 / Cmd+1), then Smart Sharpen. Never judge sharpness zoomed out — the preview lies.
Photoshop quality pipeline: denoise, Super Resolution, 16-bit grade, repair, sharpen and export 1. Denoisewhile it is small 2. Upscale onceSuper Resolution 2× 3. 16-bit gradetone and color 4. Repair + denoiseon separate layers 5. Sharpen → exportat 100% zoom
The five stages of a print-ready file. Stage 2 is the only one that adds pixels — everything else preserves or reveals what the sensor captured.

Data point: a 12-megapixel photo processed in 8-bit passes through 256 tonal steps per channel. The same file in 16-bit passes through 65,536. That is a 256× difference in the math your gradients are built on, and it costs one click: Image → Mode → 16 Bits/Channel.

How do you enlarge an image in Photoshop without losing quality?

Photoshop gives you three enlargement tools, and they solve different problems. Use them in this priority order: Super Resolution first, Preserve Details 2.0 second, Neural Filters only for extreme crops.

1. Super Resolution (the AI pass)

Open the file in Camera Raw, right-click it, choose Enhance, and tick Super Resolution. Adobe's documentation states it produces "2x the width and 2x the height of the original image or 4x the total pixel count." A 12 MP photo becomes 48 MP. Three constraints to remember:

  • It works on raw, JPEG, and TIFF files — raw gives the best result because demosaicing quality carries over.
  • Output is a new DNG file with the enhanced suffix, so your original stays untouched.
  • Each image can be enhanced only once. You cannot stack Super Resolution passes, so crop first and commit.

2. Preserve Details 2.0 (the controlled pass)

Image → Image Size (Ctrl+Alt+I / Cmd+Opt+I), tick Resample, choose Preserve Details 2.0 from the menu, and set the size in percent. Adobe's resampling documentation describes it as maintaining "sharp edges and fine detail with reduced artifacts" and it ships with a Reduce Noise slider — set it between 25 and 75 while you watch the preview, stopping before skin and foliage turn plastic.

Illustration: soft enlargement, edge smeared across four pixel columns Soft: the edge spreads across four pixel columns and the small details blur away
Illustration: crisp enlargement, edge held to a single pixel column Crisp: the edge is held to one transition and both details stay distinct

Illustration of how two resample methods treat the same edge — not a screenshot. Toggle the switch above to compare. In Photoshop the real comparison lives in the Image Size preview window, where you can hold the preview to see the original.

3. Neural Filters Super Zoom (the extreme case)

For a heavy crop that has to go large, Filter → Neural Filters → Super Zoom enlarges and adds compensating detail, with toggles for Enhance Image Details, Remove JPEG Artifacts, and Enhance Face Details. Adobe positions it as the tool that lets you "zoom in closely on a subject while keeping details sharp." Output to a new layer so the original stays intact.

Resample methodBest forEffect on detail
AutomaticGeneral workPhotoshop picks a method from the change ratio
Preserve Details 2.0Enlarging photosKeeps edges, ships with a Reduce Noise slider
Bicubic SmootherLarge enlargementsSmooth transitions, minimal jagged edges
Bicubic SharperReducing for outputRetains crisp edges when shrinking
Nearest NeighborPixel art, screenshotsHard edges, no blending at all

Key finding: never enlarge more than 2× in a single dialog. AI passes handle 2× cleanly; classic interpolation falls apart past roughly 1.5×. When you need 2.5×, run 2× first, then a gentle 125% pass with Preserve Details 2.0.

Which sharpening settings give the crispest result in Photoshop?

Smart Sharpen is the right filter for photographs: it gives radius control, per-sharpen noise reduction, and a shadow/highlight fade. The values below are starting points, judged at 100% zoom on the final-size image.

Delivery targetAmountRadiusReduce Noise
Screen and web, 100% view60–80%0.3–0.5 px5–10%
Photo print at 300 PPI80–120%0.6–1.0 px10–15%
Poster viewed from 2 m40–60%1.0–2.0 px15–25%
Fine text and line art100–150%0.2–0.4 px0%

Four rules keep the result clean:

  • Sharpen after resizing. Resize first, sharpen second. Otherwise the resize pass blurs the edges you just built.
  • Judge at 100%. Zoom out and Photoshop's preview overstates crispness; you will overshoot every time.
  • Fade flat areas. Sky, skin, and backgrounds amplify noise. Use Reduce Noise inside the dialog, or apply the sharpen through a layer mask.
  • Watch the halo. A bright line hugging every edge means Amount or Radius is too high. Halve one of them and look again.

"Sharpening cannot restore missing detail or fix areas that are out of focus… Apply sharpening gradually to avoid halos, jagged edges, or noise." — Adobe Photoshop documentation, Sharpening overview, updated February 23, 2026

For non-destructive work, convert the layer to a Smart Object and apply Smart Sharpen as a Smart Filter. You can then double-click the filter later and dial the Amount down when the file is resized again. For the alt path, a High Pass layer set to Overlay at a 1–3 px radius gives the same look with a blend-mode you can tune afterwards.

How do you remove noise in Photoshop without plastic-looking skin?

Noise reduction is a trade: every point of grain you remove takes texture with it. The trick is to run it early, run it gently, and always before sharpening — because sharpening amplifies whatever grain survives.

  • Camera Raw → Detail → Denoise (AI). Adobe's Enhance feature processes high-ISO and low-light files with machine learning and preserves fine detail that older filters smear. Intensity is a single slider; start near the middle and compare at 100%.
  • Filter → Noise → Reduce Noise. Four controls do the work: Strength (luminance grain, 1–10), Preserve Details (keep texture, 40–70% is the sweet spot), Reduce Color Noise (kills red/blue speckles, 20–60%), and Sharpen Details (puts edge contrast back afterwards).
  • Neural Filters → JPEG Artifacts Removal. Adobe's own guidance notes that "the more times you save a JPEG file, the more likely your image will look fuzzy or pixelated." This filter attacks the blocky byproducts of that cycle.
  • Mask it. Apply noise reduction to a duplicated layer and paint the effect off skin, eyes, and fabric where texture carries the realism.

"Removing noise is always a compromise, because it also reduces image sharpness. Balance the Strength and Preserve Details controls… and then use the Sharpen Details control to help restore the original image." — Adobe Creative Cloud photography guide, "What is noise in photography"

Data point: color noise and luminance noise are separate problems. Color noise shows as random red, green, and blue speckles and can be removed at 40–60% with almost no texture loss. Luminance noise carries texture with it, which is why Strength above 8 typically starts the plastic look.

Which resolution and DPI settings keep an image print-ready?

For photos and documents, the target is 300 PPI at final print size. That number comes from the prepress screen rule: image resolution should run 1.5 to 2 times the press screen frequency, so a 150 lpi magazine wants 225 to 300 PPI. Drafts and distant-view posters accept 150 PPI; fine art and small text want 600 PPI.

Print formatPixels needed at 300 PPIFrom a 12 MP camera?
4 × 6 in1,200 × 1,800Yes, with room to crop
5 × 7 in1,500 × 2,100Yes
8 × 10 in2,400 × 3,000Yes, crop carefully
A4 (210 × 297 mm)2,480 × 3,508Barely — no heavy cropping
US Letter (8.5 × 11 in)2,550 × 3,300Barely — no heavy cropping
A3 poster (297 × 420 mm)3,508 × 4,961Needs upscaling

Two settings complete the print-ready state:

  • Bit depth: 16 Bits/Channel while editing, converted to 8-bit on export for JPEG delivery. 16-bit holds 65,536 levels per channel instead of 256 — the difference between a smooth sky and a banded one.
  • Color space: sRGB for web and email (about 16.7 million colors, universally honored), Adobe RGB (1998) or ProPhoto RGB for print workflows where the lab asks for it. Mismatched profiles are the classic "colors looked different on their screen" failure.

If the pixel count is correct and only the stored resolution number is wrong — a common result of exports and messaging apps — relabel it instead of resampling. Our guide on changing DPI in Photoshop covers the Resample-off workflow, and the free DPI Converter does the same job in seconds in your browser.

How do you export a super high quality image from Photoshop?

Export twice: one master that keeps everything, one delivery file sized for its destination. Choose File → Save a Copy (Ctrl+Alt+S / Cmd+Opt+S) so the working document keeps its layers and its 16-bit state.

FormatSettingsTypical use
PSD / PSB16-bit, layers keptWorking master you will reopen
TIFF (LZW)16-bit, embed profilePrint lab and archival master
PNGLossless, 8-bit, sRGBWeb graphics that need transparency
JPEG, quality 10–12sRGB, baseline, progressive offClient delivery and print submission
JPEG, quality 6–8sRGB, resized to final widthEmail, previews, thumbnails
PDF/XPress settings from the printerPress-ready artwork

Four export rules that protect the work:

  1. Resize before sharpening. Deliver at the final pixel width, then run the output sharpen pass.
  2. Never re-save a JPEG. Each save re-compresses the file. Keep a TIFF or PSD master and export a fresh JPEG every time.
  3. Embed the profile. Untick "Embed Color Profile" only when a specific workflow demands it. Without the profile, colors shift on other machines.
  4. Verify the saved file. Drop the exported copy into the image DPI checker — it reports resolution, pixel dimensions, and print size together in one glance.
EDIT   Image > Mode > 16 Bits/Channel
DENOISE   Filter > Noise > Reduce Noise
          Strength 6 | Preserve Details 60% | Reduce Color Noise 40%
SHARPEN   Filter > Sharpen > Smart Sharpen (at 100% zoom)
          Amount 90% | Radius 0.8 px | Reduce Noise 12%
MASTER    File > Save a Copy > TIFF, LZW, 16-bit
DELIVERY  File > Save a Copy > JPEG, Quality 11, sRGB, 300 PPI

That five-line recipe covers most photo deliveries. Save it as a Photoshop Action with Window → Actions and replay it per file, or per folder with File → Automate → Batch. For files that only need the resolution label corrected, the DPI Converter batch mode handles up to 50 images at once without installing anything.

What mistakes destroy image quality in Photoshop?

Seven errors account for most files that come back soft, banded, or rejected.

  1. Editing an 8-bit JPEG from the start. Curves on 256 levels per channel posterize fast. Convert to 16-bit before heavy grading — or better, start from the raw file.
  2. Sharpening before resizing. The resize pass softens the edges you just built. Resize, then sharpen, every time.
  3. Judging sharpness zoomed out. At 25% zoom Photoshop averages pixels and every image looks crisp. Work at 100%.
  4. Re-saving the same JPEG. Compression artifacts accumulate with each round trip. Adobe added a Neural Filter specifically for this damage — evidence enough that the habit is common.
  5. Running one giant upscale. A single 4× Bicubic pass smears detail. Cap each pass at 2× with Super Resolution, or 1.5× with Preserve Details 2.0.
  6. Denoising after sharpening. You then have to remove the grain your sharpening added, and you lose texture twice. Denoise first, sharpen last.
  7. Expecting resolution from a crop. A tight crop from a 1,600 × 1,200 photo can drop below 150 effective PPI at 8 inches. Check the math before you promise a print size.

Key finding: three of these seven — re-saving JPEGs, oversharpening, and denoising after sharpening — are workflow errors, not skill errors. Fixing them costs nothing but discipline.

How does Photoshop compare with AI upscalers and free tools?

Photoshop is the deepest option, but not always the fastest or cheapest. Industry analysis of freelancer tooling keeps reaching the same conclusion: pay for Photoshop when you retouch, mask, or composite; use a lighter tool when the task is only enlargement or a metadata fix.

ToolCostTypical enlargementDenoise built inBest for
Photoshop + Camera RawSubscription (US single-app ≈ $23 / month)2× per Super Resolution passYes, AI DenoiseFull retouch plus upscale in one file
Adobe Camera Raw / LightroomPhotography plan ≈ $10 / month2× per passYes, AI DenoiseBatch raw processing before any retouch
Topaz Gigapixel (standalone)Paid, one-time licenceUp to 6× with model choiceYesExtreme enlargement as a dedicated step
Upscayl (open source)FreeUp to 4×Model dependentLocal AI upscaling without a subscription
GIMPFreeNoisy interpolationBasicDesktop editing without a subscription
Online resizer (this site)FreePixel-exact resize, no invented detailNoExact dimensions in seconds, no install

Notice the honest row: the free image resizer on this site changes dimensions, it does not hallucinate detail. Nothing invents texture your camera never recorded — AI upscalers predict plausible texture, which is why faces, text, and logos need inspection at 100% after every enlargement. If the file is a document rather than a photo, our walkthrough on changing PDF DPI covers that format.

What do professional retouchers recommend?

Five statements from documentation and practitioners define the professional consensus in 2026:

  • Julieanne Kost, Principal Product Manager for Photography and Pro Video at Adobe, on the algorithm behind Preserve Details 2.0: "Photoshop has an improved image size algorithm designed to detect and preserve the most important details and textures in images when resizing images, without introducing over-sharpening of prominent edges or smoothing out lower contrast details." (quoted in Retouching Academy, 2018)
  • Adobe Photoshop documentation, Sharpening overview (updated February 23, 2026): sharpening "cannot restore missing detail," and should be applied "gradually to avoid halos, jagged edges, or noise." The professional read: sharpening reveals detail, only upscaling can add it.
  • Jesus Ramirez, Photoshop educator and founder of the Photoshop Training Channel, quoted on Adobe's Neural Filters page: "Machine learning can help you do a lot of things that would have taken many steps in the past. In some cases, with just one click."
  • Thomas Fitzgerald, photography blogger and author, on Super Resolution limits (2021): "It won't improve the level of detail in your file, and despite what you may have read, it won't turn your 24mp camera into a 48mp camera." Adobe's own documentation supports the caution: each image can be enhanced only once.
  • Adobe's noise-reduction guidance: "Removing noise is always a compromise, because it also reduces image sharpness." Retouchers therefore denoise early and sparingly, then restore edge contrast with the final sharpen pass.

Experts recommend one habit above all: check the saved file, not the dialog box. Settings panels show intent; the exported file shows fact.

Case study: a 1,600 × 1,200 photo printed at 8 × 10 inches

A client handed over a 1,600 × 1,200 JPEG — 1.92 megapixels, shot at ISO 3200 — and asked for an 8 × 10 inch print the same week. At 300 PPI that frame needs 2,400 × 3,000 pixels (7.2 MP). The source was 2.5× short on width after cropping.

  1. Diagnosis: crop to the 4:5 ratio the frame requires → 960 × 1,200 px. At 8 inches wide that is 120 effective PPI, against a 300 PPI target. Printing it untouched would show visible softness.
  2. Denoise first: Camera Raw Denoise at moderate intensity, while the file was still small. Grain amplified by the next step would have been permanent.
  3. Super Resolution: one Enhance pass → 1,920 × 2,400 px, a new DNG, 4× the pixels.
  4. Second-stage enlarge: Image Size at 125% with Preserve Details 2.0 and Reduce Noise 40 → 2,400 × 3,000 px, exactly 7.2 MP.
  5. 16-bit grade: exposure, white balance, and local contrast on the Smart Object. No banding appeared in the sky, where 8-bit curves had previously shown steps.
  6. Final sharpen: Smart Sharpen at Amount 90%, Radius 0.8 px, Reduce Noise 12%, judged at 100% zoom.
  7. Export and verify: 16-bit TIFF master plus a JPEG at quality 11. The DPI checker reported 300 DPI, 2,400 × 3,000 px, 8 × 10 in. Total time: 18 minutes.

The print cleared review on the first pass. The measurable gains: effective density rose from 120 to 300 PPI (2.5×), pixel count from 1.92 MP to 7.2 MP (3.75×), and tonal depth from 8-bit to 16-bit (256× the levels per channel) — all without a single destructive step, because every filter ran on a Smart Object.

Your 20-minute Photoshop image quality action plan

  1. Minutes 0–3: write down the delivery target — print size in inches, or the pixel width the client asked for.
  2. Minutes 3–5: confirm the pixel target with the DPI calculator, then crop your file to the final frame. Cropping early keeps the upscale pass cheap.
  3. Minutes 5–10: open in Camera Raw, run Denoise, then Enhance → Super Resolution once if the file is short of target.
  4. Minutes 10–14: convert to 16-bit, grade tone and color, and repair locally on separate layers.
  5. Minutes 14–17: apply Reduce Noise, then Smart Sharpen at 100% zoom using the table above.
  6. Minutes 17–20: export a 16-bit TIFF master and a delivery JPEG at quality 11, then verify one file per batch in the DPI checker.

Run it once and the routine fits inside a coffee break. Repeat it before every print order and soft, banded files stop leaving your desk.

FAQ

How can I make a Photoshop image high quality without paying for Photoshop?

Use the free path: Upscayl or another open-source AI upscaler for enlargement, GIMP for desktop editing, and this site's free image resizer for exact dimensions. You lose Camera Raw's one-pass Super Resolution and Denoise, but the underlying rules — denoise first, resize to target, sharpen last at 100% — stay identical.

How do I increase the resolution of an image in Photoshop without losing quality?

Open it through Camera Raw and run Enhance → Super Resolution for a 2× enlargement, then use Image → Image Size with Preserve Details 2.0 for the remainder, keeping each pass at or below 2×. Keep Resample on only when pixels genuinely have to change; if the pixel count is already right and only the label is wrong, turn Resample off instead.

What is the best resample setting for enlarging in Photoshop?

Preserve Details 2.0. Adobe's resampling documentation recommends it for enlarging because it maintains sharp edges and fine detail with reduced artifacts, and it includes a Reduce Noise slider that classic methods lack. Use Nearest Neighbor only for pixel art and screenshots.

Does Super Resolution really work on JPEG files?

Yes. Adobe documents that Super Resolution supports the same file types as Raw Details "plus additional file types such as JPEG and TIFF." Raw files give the best result because Camera Raw can use more sensor information, but a JPEG or TIFF still doubles cleanly to 2× width and 2× height. Output is a new DNG, and each image can be enhanced only once.

How much can I enlarge an image in Photoshop before it looks bad?

Two times in a single AI pass, and about 1.5 times with classic interpolation. Beyond that, inspect at 100% zoom and judge the specific image: skin, fabric, and foliage tolerate enlargement better than text, logos, and hard geometric edges. If you need 2.5× or more, chain the passes — 2× first, then a gentle 125% Preserve Details 2.0 step.

Why does my photo look blurry after enlarging it in Photoshop?

Either the resample method was wrong, or sharpening was skipped. Set Resample to Preserve Details 2.0 rather than Bicubic Smoother, then run Smart Sharpen at the final size while viewing at 100% zoom. If you chose Automatic on a large enlargement, undo and redo it — Photoshop's Automatic does not always pick the AI method.

Should I sharpen before or after resizing an image?

Always after. Resizing interpolates pixels and softens any edge contrast you created earlier, so pre-resize sharpening is wasted work. The professional sequence is: reduce noise, resize to the delivery dimensions, then apply output sharpening sized for that final pixel count.

What is the best export setting for a high-quality JPEG in Photoshop?

File → Save a Copy → JPEG at quality 10 to 12, with the sRGB profile embedded and the file already resized to its final pixel width. Keep a 16-bit TIFF or PSD as your master so you never re-compress the same JPEG twice. For print delivery, TIFF at 16-bit is safer because it is lossless and keeps the lab's workflow flexible.

Conclusion: your next steps

Making a Photoshop image super high quality is a sequence, not a secret: denoise early, upscale once with Super Resolution, refine with Preserve Details 2.0, edit in 16-bit, and sharpen last at 100% zoom. Today, run those nine steps on one photo and check the export in the DPI checker. This week, record them as a Photoshop Action so the routine replays in seconds. Before your next print order, verify a delivered file end to end — pixel dimensions, effective PPI, and color profile together. That 20-minute habit turns a soft, rejected file into one that holds up at any size.

Sources and further reading

  • Adobe Photoshop documentation — Sharpening overview (last updated February 23, 2026)
  • Adobe Photoshop documentation — Resampling options: Automatic, Preserve Details 2.0, Bicubic Smoother, Bicubic Sharper, Nearest Neighbor
  • Adobe Camera Raw documentation — Use Raw Details and Super Resolution in Adobe Camera Raw (2× linear resolution, 4× pixel count, one enhancement per image)
  • Adobe Photoshop documentation — Neural Filters overview, Super Zoom, and JPEG Artifacts Removal
  • Adobe Creative Cloud photography guide — What is noise in photography (Strength, Preserve Details, Reduce Color Noise, Sharpen Details)
  • Retouching Academy (2018) — Julieanne Kost on the Preserve Details 2.0 upscale algorithm
  • Thomas Fitzgerald Photography (2021) — Adobe's Super Resolution: what it is and what it is not
  • Prepress screen-rule standards — image resolution at 1.5 to 2× the press screen frequency
  • On this site: the DPI guide, DPI calculator, and DPI checker

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