Film Grain — Photochemical Film Grain OFX Plugin for Vegas Pro & DaVinci Resolve

Real Film Grain Shouldn't Be This Hard to Get

Adding convincing photochemical grain to digital footage has always been frustrating — whether you edit in Vegas Pro or grade in DaVinci Resolve. The alternatives are either overpriced, locked to subscriptions, or produce unconvincing results:

• Professional suite grain tools — bundled into large VFX packages costing $1,000+. You pay for hundreds of effects just to get the one you need.
• Subscription-based film emulators — recurring cost of $99+/year, heavy CPU/GPU load, limited color space support. Subscription emulators cost more per year than Film Grain costs once.
• Camera-profile-dependent plugins — grain character is tied to your specific camera model. No matching profile means no authentic result. Requires purchasing separate camera packs and locks you into a camera-first workflow rather than a film stock–first one.
• Static grain overlays — the grain isn't connected to your image at all. A pre-recorded loop is composited on top, blind to the content underneath: no luminance response, no per-channel variation, and it will always look pasted on — because it is.

Film Grain fills this gap. A dedicated, affordable OFX plugin built from scratch for editors and colorists who want authentic photochemical grain without the enterprise price tag — in Vegas Pro or DaVinci Resolve.

Built for Editors and Colorists Who Care About the Image

• Indie filmmakers and narrative editors — add a period-accurate or stylized film stock character to digital footage directly in your editing or grading host. Kodak Vision3, Fuji Eterna, Super 8 Kodachrome — pick the emulsion that fits the story.
• Music video editors — film grain is a creative tool, not just a realism aid. Heavy Ilford HP5, Lomography, or Expired Film presets give music cuts a distinctive visual texture that stands apart from clean digital.
• Documentary and interview editors — a subtle Kodak Portra 400 or Vision3 250D preset softens the clinical sharpness of modern cameras and gives archival-style footage a cohesive, organic feel.
• Colorists in DaVinci Resolve — apply Film Grain as an OFX node directly in the Color page. Works natively in Resolve 17, 18, 19, 20 and 21 Studio. Add it before or after your LUT node — all 32 parameters are keyframeable via Resolve’s keyframe editor.
• Colorists finishing in Vegas Pro — apply Film Grain as the last step in the FX chain (or first, before a LUT) to integrate grain into the grade rather than sitting on top of it. All 32 parameters are keyframeable.
• Content creators and YouTubers — the resolution-independent engine means a single preset works identically at 1080p, 4K, or 6K. No reformatting, no manual size corrections between delivery formats.

Professional Controls, Organized by Workflow

All parameters are grouped logically in the plugin panel. Select a film stock, fine-tune grain character, enable post-processing effects, and preview in real time — all from a single OFX plugin. Works identically in Vegas Pro and DaVinci Resolve.

Original Film Grain

Before & after comparison "Kodak Portra 800"

From Subtle 65mm to Gritty 8mm

Film Grain scales from nearly invisible fine-grain (65mm IMAX stocks) to heavy, textured emulsion character (expired instant film). Every profile maintains correct luminance response — more grain in shadows, less in highlights, just like real film.

The physics behind this range is straightforward: the smaller the physical film frame, the larger each silver crystal appears relative to the final projected image. A Super 8 frame is roughly 30× smaller than a 65mm IMAX frame — so the same grain structure occupies proportionally more of the picture. Film Grain’s profile library spans this full range, from Vision3 50D shot on 65mm-equivalent stock to Super 8 Kodachrome 40.

Original Film Grain

Kodak Vision3 500T

Original Film Grain

Fuji Superia 400

Original Film Grain

Ilford HP5 Plus 400

Original Film Grain

Polaroid SX-70

Built for Authenticity, Not Convenience

Here's what most grain tools get wrong: they add noise on top of an image. But on real film, the image is grain — every detail, every shadow, every highlight exists only as a structure of silver halide crystals. There is no “image underneath” with grain placed on it.

Film Grain is built on this principle. The engine generates grain from the local luminance and color of each pixel, then constructs the image through it — not over it. The result is grain that’s physically integrated into the picture, the same way photochemical emulsion is:

• Organic, Non-Repeating Grain - every frame receives unique, structurally authentic grain with no tiling artifacts, no static textures, and no visible repetition at any resolution
• Resolution-Independent Scaling - grain size auto-normalises to a 1920px baseline; Size 1.0 produces identical perceptual grain at 1080p, 4K, 6K, and 8K without any manual adjustment when switching delivery formats
• Frame-Consistent Rendering - grain is deterministic per frame and renders identically regardless of playback or render order, eliminating shifting artifacts common in NLE out-of-order rendering
• Dynamic Luminance Response - grain intensity varies naturally across shadows, midtones, and highlights with adjustable thresholds and smooth tonal roll-offs, perfectly mimicking actual film density limits
• 4 Advanced Blend Modes - Add, Screen, Overlay, and Soft Light provide precise control over how the grain physically interacts with the underlying image exposure
• Luma/Chroma Decomposition - independent grain amplitude controls for luminance and chrominance channels, accurately matching how real film stock reacts differently to brightness versus color information
• Negative and Positive Emulsion Character - color reversal stocks like Fuji Velvia and Provia carry calibrated lower grain in highlights, while color negative stocks like Kodak Portra 800 and Vision3 500T carry proportionally more — matching the physics of negative density accumulation. This distinction isn’t a global toggle: every one of the 66 profiles encodes the exact highlight-to-shadow grain ratio of that specific emulsion type

Under the Hood

Install in Under 60 Seconds

No installer required. Just extract the archive and copy one folder.

1. Download the plugin archive (.zip) after purchase and extract it. Inside you will find the folder AT_FilmGrain.ofx.bundle.
2. Copy the entire folder AT_FilmGrain.ofx.bundle into the OFX Plugins directory:
   C:\Program Files\Common Files\OFX\Plugins\
   You will need administrator permissions to write to Program Files.
3. Verify the final path looks like this:
   C:\Program Files\Common Files\OFX\Plugins\AT_FilmGrain.ofx.bundle\Contents\Win64\AT_FilmGrain.ofx
4. Restart your OFX host (Vegas Pro, DaVinci Resolve, or other). The plugin loads at startup.
5. Vegas Pro: Select a video event, click the Video Event FX button, search for “AT_FilmGrain” in the AlesTempleFX category.
   DaVinci Resolve: Go to the Color page, open the OpenFX panel (top right), find AlesTempleFX → AT_FilmGrain and drag it onto a node.

The Science Behind Film Grain

Pro Tips for Getting the Best Results

• Start with a preset, then fine-tune. Select the closest film stock profile, then adjust Grain Amplitude and Size to match your footage resolution and creative intent. The preset gives you the correct spectral ratios and luminance response - you just dial in the overall intensity.
• Use Soft Light blend mode for realism. All 66 presets default to Soft Light, which integrates grain into the image's existing tonal structure rather than sitting on top. Switch to Add or Screen only for stylized effects.
• Grain before color grading. For the most natural result, apply Film Grain before any color correction or LUT in your FX chain (Vegas Pro) or node graph (DaVinci Resolve). Real film grain is part of the emulsion - it gets graded along with the image, not added on top of the final look.
• Match grain amplitude to your delivery format. Grain size is already resolution-independent — no manual adjustment needed when switching from 1080p to 4K. For web/streaming (high compression), increase Grain Amplitude slightly (+0.1–0.2 above the preset default) to compensate for H.264/H.265 codec smoothing of fine texture. For ProRes or uncompressed masters, use preset values as-is.
• Film grain lifts the black point — compensate if needed. Real photographic emulsion always carries some grain density even in the deepest shadows: absolute black doesn’t exist on film. Film Grain replicates this correctly. If your grade relies on a precise black level, add a Levels or Curves correction after Film Grain and nudge blacks down by 2–5%. The result is a more accurate film look — shadows that are dark, but never empty.
• Use the Show Mode parameter for debugging. Toggle Show Mode to isolate grain on a neutral grey background - you'll see exactly what the plugin is adding without the distraction of your footage.

Where Does Film Grain Belong in Your Pipeline?

Position matters. Grain applied before your grade behaves like real emulsion. Grain applied after feels like a layer on top.

Exceptions & Creative Variations

• Print stock emulation. To simulate the look of a film print (grain on both negative and print), apply two instances of Film Grain: one before the grade (negative grain — larger, chunkier) and one after (print grain — smaller, tighter). Lower the amplitude on both compared to a single-instance setup.
• Lo-fi and damaged film looks. For heavily stylised results — cross process, expired stock, Lomo — placing Film Grain after a strong creative LUT can produce interesting compression artifacts where grain interacts with pushed colour. Use Screen or Add blend modes in this case rather than Soft Light.
• Grain intensity and delivery codec. H.264/H.265 encoders actively suppress fine texture during compression. If your final delivery is a streaming encode rather than ProRes or an uncompressed master, raise Grain Amplitude by 0.1–0.2 above the preset default to compensate for codec smoothing.