Grain intensity
Film grain comparison
Image Film Grain Comparison
Adjust film grain and compare intentional analog-style texture against the original.
- Browser-local processing
- PNG · JPG · WebP
- No account needed
Original vs current edit
Compare the original image with the current adjustment state.
Upload an image to compare film grain before and after with grain amount, size, and roughness metrics.
Grain size
Texture change
Noise confusion
Advanced metrics
Upload an image to calculate luma, clipping, contrast, and chroma metrics.
Luma histogram
Histogram appears after an image is uploaded.
Original Current edit
Image session actions
Upload an image to compare film grain before and after with grain amount, size, and roughness metrics.
How to read this page
Film grain adds intentional analog-style texture
Film grain comparison focuses on creative grain added for a film-like look. It compares grain amount, size, roughness, and texture change so you can judge whether the effect feels natural or distracting.
Scope
Film grain is intentional texture. Use Noise Reduction Comparison when the goal is to remove unwanted digital noise.
Film grain comparison guide
What Film Grain Comparison Shows
Compare grain amount
Check whether the texture is subtle, visible, or overpowering when you add grain to a photo.
Read grain size and roughness
Fine grain feels different from coarse grain, and roughness changes how organic the texture feels.
Film grain vs noise
Film grain is added intentionally; digital noise is usually unwanted.
Film grain terms and texture checks
How to Read an Image Film Grain Comparison
Image film grain comparison is for intentional analog-style texture. It should not treat grain as unwanted sensor noise or duplicate noise reduction.
A useful review compares grain intensity, size, roughness, texture change, and noise confusion. Grain should be stable and intentional, especially when the original already contains low-light noise.
Film grain
Film grain is intentional analog-style texture added to the image.
- Role in the image
- It can create a film-look effect or make a digital image feel less sterile.
- Concept or calculation
- A grain field can be blended late in the pipeline so it remains a final texture.
- Watch for
- Heavy grain can distract from subject detail or look like unwanted noise.
Grain amount
Grain amount is the strength of added grain.
- Role in the image
- It controls whether the effect is subtle, visible, or dominant.
- Concept or calculation
- Measured high-frequency delta can support the displayed control value.
- Watch for
- High amount on an already noisy image can create noise confusion.
Grain size
Grain size is the scale of visible grain particles.
- Role in the image
- It changes whether the texture feels fine, coarse, vintage, or distracting.
- Concept or calculation
- Noise fields can be sampled at different scales to simulate particle size.
- Watch for
- Large grain can obscure small text, skin texture, and product detail.
Roughness
Roughness is the irregularity of the grain pattern.
- Role in the image
- It helps the grain feel less uniform and more organic.
- Concept or calculation
- Multiple noise layers or varied contrast can create rougher texture.
- Watch for
- Too much roughness can look like compression artifacts or digital noise.
Noise confusion
Noise confusion warns when intentional grain may look like unwanted digital noise.
- Role in the image
- It keeps Film Grain Comparison separate from Noise Reduction Comparison.
- Concept or calculation
- Original noise estimate plus grain amount can produce a warning.
- Watch for
- Low-light originals with visible speckles need especially careful grain amount.
Film grain after sharpening
Film grain belongs late in the pipeline so it remains intentional and stable after denoise, clarity, and sharpness.
Film grain vs noise reduction
Use film grain to add texture. Use noise reduction when the goal is to remove unwanted luminance or color noise.
FAQ
About this page
Is film grain the same as image noise?
No. Film grain is a deliberate creative texture. Image noise is usually unwanted sensor or processing noise.
Why should grain use a seed?
A deterministic seed keeps the preview stable and avoids flickering while the user adjusts sliders.
Should grain be added before or after sharpening?
Add film grain late in the pipeline, after denoise and sharpening, so the grain remains intentional and stable.