Monkr
monkr.wemiller.com
What it is
Monkr is a free, open-source mockup generator that runs entirely in a web browser. It creates still and animated device mockups with customizable backgrounds, scenes, text overlays, and animations, and it supports App Store screenshot workflows. Mockup categories include iPhone, Android, iPad, Mac, desktop, Apple Watch, Apple TV, TV, and browser. Layout templates include Single Center, Side by Side, Grid 2x2, Isometric, and Phone + Tablet. Scene presets include Cosmic Hero, Abstract Center, Holo Laptop, and Full Responsive. Device choices include iPhone models, Pixel 7 Pro, and Nothing Phone. Canvas modes cover General, Social, App Store, and Play Store, with landscape, portrait, square, ultrawide, and Studio Display formats. Controls include position, scale, rotation, 3D tilt, shadow, and edge glow. Projects can use .monkr files, with PNG, JPG, MP4, MOV, and WebM exports. Animated exports use FFmpeg WASM.
Spec sheet
- Purpose
- Monkr is a free, open-source mockup generator that runs entirely in a browser.Read 7 Oct 2026 · wemiller.com
- Security
- The maker says the tool runs entirely in the browser.Read 7 Oct 2026 · wemiller.com
- Maker
- The maker page identifies Blaine Miller as a senior software engineer and lists Monkr among his projects.Read 7 Oct 2026 · wemiller.com
- Animated exports
- It supports animated exports via FFmpeg WASM.Read 7 Oct 2026 · wemiller.com
- Canvas
- The app page offers General, Social, App Store, and Play Store canvas modes, with Landscape 16:9, Portrait 9:16, Square 1:1, Ultrawide, and Studio Display formats.Read 7 Oct 2026 · monkr.wemiller.com
- Customization
- It creates device mockups with customizable backgrounds, scenes, text overlays, and animations.Read 7 Oct 2026 · wemiller.com
- Device models
- The app page lists iPhone models, Pixel 7 Pro, and Nothing Phone among its device choices.Read 7 Oct 2026 · monkr.wemiller.com
- Devices
- The maker says Monkr works across iPhone, iPad, Mac, and more.Read 7 Oct 2026 · wemiller.com
- Editing controls
- The app page exposes position, scale, rotation, 3D tilt, shadow, and edge glow controls.Read 7 Oct 2026 · monkr.wemiller.com
- Layouts
- The app page lists layout templates including Single Center, Side by Side, Grid 2x2, Isometric, and Phone + Tablet.Read 7 Oct 2026 · monkr.wemiller.com
- Scene presets
- The app page lists scene presets including Cosmic Hero, Abstract Center, Holo Laptop, and Full Responsive.Read 7 Oct 2026 · monkr.wemiller.com
- Screenshot workflows
- It supports App Store screenshot workflows.Read 7 Oct 2026 · wemiller.com
- Source availability
- The maker describes Monkr as open source.Read 7 Oct 2026 · wemiller.com
Plans and prices
Strong points and limits
Strong points
- Runs entirely in the browser
- Open-source and free
- Supports still and video mockups
- Many device categories and layouts
- Exports PNG, JPG, MP4, MOV, WebM
Limits
- No paid plan details are stated
- Animated exports depend on FFmpeg WASM
- Project editing uses the .monkr format
Who it suits
Monkr suits designers and developers preparing device visuals, app-store screenshots, or animated presentations in a browser. It is also relevant to users wanting an open-source workflow across multiple device categories.
Verdict
Monkr combines browser-based device mockups, screenshot layouts, and animated exports in one free open-source tool. Its broad canvas, scene, and device controls support both static and video deliverables.
Where Specifiction places it
- Mockup Libraries#21 of 277.3