PeekLUT
PeekLUT
The colour lab
in your pocket.
Professional color grading on iPhone.
Photos, video, LUTs, and film emulation — all in one app.
Featuring
Image Masks
Apply grades only where you want them. Linear and shape masks with feather control.
Technical Specifications
Core Workflow
- Photo and video editing in one app
- Real-time preview while adjusting
- Batch editing/export flows (up to 10 items)
- Compact & regular editor layouts
LUT Workflow
- Import LUTs from Files and Photos
- Support for .cube & HaldCLUT images
- Import entire LUT folders
- Linked LUT folder sync
- LUT favorites & gallery layouts
- LUT stacking & opacity control
- Export look as .cube LUT
Editing Controls
- Balance: Temperature, Tint
- Light: Exposure, Contrast, Highlights, Shadows, Blacks, Whites
- Film Density: RGB Weights, Saturation/Luma Limiters
- Color Grade: Shadows, Midtones, Highlights
- Saturate: Global + Per-channel (RGB/CMY)
- Tetra Color Mix: 12-axis cross-channel control
- Foliage: Saturation, Tone, Range
- Technicolor 3-Strip & Bleach Bypass
- Tone Curves & HSV Color Shift
- Details: Clarity, Sharpness, Dehaze, Fade
- Grain, Halation, Bloom, Textures
Masks & Tools
- Linear & Radial masks
- Layer stack management
- Split before/after comparison
- Smart/Auto Crop & Manual framing
- Fullscreen preview modes
Presets & History
- Create, rename, duplicate presets
- Multi-select delete mode
- Full Undo/Redo/Reset history
Export
- Video: MP4, MOV (HEVC, H.264, ProRes)
- Res: 480p to 4K, Custom Bitrates
- HDR-aware & Apple Log handling
- Image: HEIC, JPEG, PNG, TIFF (8/16-bit)
- Metadata preservation
Built-in Packs
- Creative Film Looks
- Cineon Log Conversions
- Color Space Transforms (Rec709)
Frequently Asked Questions
What is PeekLUT?
PeekLUT is an iPhone photo and video color grading app for importing LUTs, building film looks, applying masks, and exporting finished grades as .cube LUT files.
Can PeekLUT export LUTs for desktop editors?
Yes. PeekLUT can convert your adjustments into .cube LUT files that can be used in editors such as DaVinci Resolve and Adobe Premiere Pro.
Does PeekLUT work with photos and videos?
Yes. PeekLUT supports both photo and video editing, with real-time preview, LUT stacking, film effects, masks, and export controls.
Field Notes
Practical guides for color grading, LUT workflows, and building film-inspired looks on iPhone.
How to Import and Use .cube LUTs on iPhone
Import, organize, and apply .cube LUTs without making common color-space mistakes.
iPhone Color Grading Guide
A practical workflow for exposure, color, LUTs, masks, film texture, and export.
Film Print Emulation on iPhone
Shape contrast, highlight roll-off, and paper tone with a deliberate finishing workflow.
How to Create a Technicolor-Inspired Look
Build assertive color separation through controlled contrast and RGB cross-mixing.
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PeekLUT — available free on the App Store for iPhone.