Kap
Open-source screen recorder built with web technology
Install with Homebrew
brew install --cask kap
Kap — Official Website
Quick Take: Kap
Kap's menu-bar GIF/MP4 workflow is still pleasant when the binary runs, but August 2026 reality is a multi-year release freeze on v3.6.0 (28 October 2022). That makes Kap a legacy free utility rather than an actively evolving default. Prefer Cap, OBS Studio, or a maintained paid recorder such as CleanShot X for new team standards. Keep Kap only where an existing plugin workflow still works on your macOS version and you accept that upstream will not ship timely fixes.
Best For
- •Frontend Developers
- •UI/UX Designers
- •Open Source Contributors
What is Kap?
As of August 2026, treat Kap's shipping status carefully: the latest stable GitHub release is still v3.6.0 (28 October 2022), with no newer stable tags through mid-2026 even though getkap.co still offers Apple Silicon and Intel builds for macOS 12+. The app can remain useful for short GIF and MP4 demos, but it is effectively in maintenance stagnation next to actively released tools such as Cap (cap.so), OBS Studio, Screen Studio, CleanShot X, and the built-in macOS Screenshot toolbar.\n\nKap is an open-source macOS screen recorder that mixed web UI with native capture. Created by Wulkano, a design-led open-source collective, it aimed at a lightweight, extensible tool between the system recorder and heavy pro suites. The UI is Electron; capture runs through a custom Swift library named Aperture, so frame capture stays on AVFoundation instead of pure web tech.\n\nIn 2026 Kap can still work for short demos when the binary runs on your Mac. Its Node plugin layer can push captures to services like Vercel, S3, or Giphy right after recording. It supports APNG and WebM alongside MP4 and GIF, which still suits docs, bug reports, and short social clips. Version 3.6 remains free and watermark-free under the MIT License, but with no stable tag since October 2022 it is a legacy free option next to paid tools like CleanShot X and actively shipped FOSS recorders like Cap. If you already have a working Kap plugin chain, keep it. If you are choosing a default for a new team standard, pick something that still ships releases.
Analysis: Inside Kap's Hybrid Architecture
Kap is a case study in hybrid Electron plus native capture. The architecture still matters if you audit the binary; shipping does not.
History & Background
Kap started around 2016 under Wulkano, a collective of designers and developers active in open source. It targeted simple, extensible GIF and short video capture on Mac. Over the next several years it grew from a GIF tool into a multi-format recorder with plugins. The last stable tag, v3.6.0, landed on 28 October 2022. Through mid-2026 no newer stable release has shipped.
How It Works
The UI layer uses Electron, React, and Next.js for menus, the trim editor, and export. Screen capture is offloaded to Aperture, a Swift library that calls AVFoundation. Export still goes through FFmpeg for GIF, MP4, WebM, and APNG. That split is why Kap often felt snappier than pure web recorders when it was actively maintained.
Ecosystem & Integrations
Plugins are npm packages that hook the export step. Community extensions cover Streamable, Giphy, Amazon S3, clipboard copy, and similar targets. That design turns Kap into a small platform rather than a closed one-shot recorder, which is why some teams still keep it for a working plugin chain.
Future Development
There is no public active roadmap with new stable dates after v3.6.0. Anyone standardising screen capture in 2026 should plan on Cap, OBS Studio, CleanShot X, or the built-in macOS Screenshot toolbar unless Kap already works on their machine and they accept the freeze risk.
Key Features
High-Fidelity Export Engine
Kap exports GIF, MP4, WebM, and APNG through FFmpeg under the hood. You set FPS and resolution scaling before export, so the same capture can become a 60 FPS MP4 for a deck and a 15 FPS GIF for Slack. Designers use that for crisp loops; developers use compact WebM for docs and issue trackers. There is no watermark and no paid export tier, which mattered when Kap was the free default, and still matters if the binary works on your Mac.
Modular Plugin System
Kap's differentiator is a Node.js plugin layer. Community plugins intercept the file after recording and can upload to AWS S3, Imgur, or Giphy, or copy the buffer to the clipboard. A developer can record a bug, let a Vercel or clipboard plugin publish the file, and paste a URL into a GitHub issue without hunting through Finder. Plugins load from the Preferences Plugins tab; restart Kap after install so they register.
Aperture Capture Technology
The UI is Electron, but screen recording runs through Aperture, a Wulkano Swift library on AVFoundation. Frame capture stays native, which keeps CPU use lower during 4K recording and reduces the laggy-Electron stereotype. Users can record UI animations or code scrolling with fewer dropped frames than a pure web capture stack.
Smart Cropping & Aspect Ratios
Kap snaps the capture frame to window borders and common aspect ratios such as 16:9, 4:3, and 1:1. You can type exact pixel dimensions or lock the frame to one app window so desktop clutter stays out of the take. That helps tutorial series and product demos that need consistent framing. A social media workflow might flip to 1:1 for a square clip aimed at Instagram or LinkedIn without opening a second editor.
Built-in Trimming & Editing
Before export, Kap opens a light editor to trim start and end points and crop the frame. Editing is non-destructive on the buffered capture, so quality holds until the final render. That saves opening a full editor just to cut the awkward start and stop moments on a short clip.
Who Should Use Kap?
1Frontend Developer
A frontend developer documents a UI regression in a React app. They open Kap with the global hotkey and snap the frame to the browser window so the desktop stays out of the clip. After recording the bug path, they trim the setup pause, export as WebM, and use a clipboard plugin so the file is ready to paste into a GitHub issue. The whole loop stays local unless a plugin uploads somewhere. For teams still on Kap plugins that work, this beats writing a long repro paragraph. If Kap fails to launch after a macOS update, the same workflow moves to Cap or OBS without changing the issue-tracker habit.
2Product Designer
A product designer is creating a show of micro-interactions for their portfolio. They need high-quality visuals that don't suffer from compression artifacts. Using Kap, they set the recording to 60 FPS and capture the animation. Instead of a standard MP4, they choose to export as an APNG (Animated PNG), which supports 24-bit color and transparency. The resulting file preserves the subtle shadows and transparency effects of the design. They then use a custom plugin to upload this asset directly to their team's design system documentation, so the asset stays pixel-perfect.
3Customer Support Agent
A support agent gets a ticket about a confusing settings menu. Instead of a long email, they open Kap, crop to the relevant pane, and record about 15 seconds with microphone narration. They export a small compressed MP4 suitable for email attachment. The process takes under a minute when Kap is already permitted for screen recording and microphone access. Customers get a visual walkthrough instead of step lists that skip a click. Agents on locked-down Macs without third-party installs fall back to Shift-Command-5 instead.
How to Install Kap on Mac
Kap can be installed via direct download or package manager. The Homebrew method is recommended for easier updates.
Install via Homebrew
Open your terminal and run: brew install --cask kap
Manual Download
Alternatively, download the latest .dmg file from getkap.co and drag it to your Applications folder.
Grant Permissions
On first launch, follow the macOS prompts to grant 'Screen Recording' and 'Microphone' permissions in System Settings.
Pro Tips
- • Run 'brew upgrade kap' periodically to get the latest features.
- • Ensure you allow 'Accessibility' permissions if you want Kap to hide desktop icons automatically.
- • Restart Kap after installing new plugins to ensure they load correctly.
Configuration Tips
Enable 'Highlight Clicks'
Navigate to Preferences > General and check 'Show mouse cursor' and 'Highlight clicks'. This adds a visual circle around your mouse clicks in the final video, which is essential for instructional videos and tutorials.
Optimize FPS for File Size
In Preferences > Recording, set your default FPS to 30 for standard screencasts. Only bump it to 60 FPS for high-motion content like gameplay or UI animation, as 60 FPS significantly increases file size and rendering time.
Set Custom Plugin Triggers
Go to the 'Plugins' tab in Preferences to configure auto-export behaviors. You can set specific plugins to trigger only for certain formats, for example, automatically uploading GIFs to Giphy while saving MP4s locally.
Alternatives to Kap
Kap dominates the free/open-source niche, but paid competitors offer more advanced editing and cloud hosting.
Cap
Cap (cap.so) is an actively developed open-source screen recorder many teams evaluate first in 2026, with ongoing releases versus Kap's 2022 freeze. Prefer Cap for new FOSS deployments; keep Kap only if an existing plugin workflow still works.
CleanShot X
CleanShot X is the premium standard for Mac, costing a one-time fee (~$29) or subscription. Unlike Kap, it includes a solid annotation tool (arrows, text, blur) and scrolling capture. Kap is better for users who want free, open-source software, while CleanShot is better for power users needing all-in-one editing.
Loom
Loom focuses entirely on cloud hosting and async communication. While Kap processes files locally, Loom uploads instantly as you record. Loom is superior for teams needing comment threads on videos, but Kap is better for privacy-conscious users who want full ownership of their files without a subscription.
QuickTime Player
Apple's native QuickTime is free and pre-installed but lacks Kap's advanced export options (GIF/WebM) and area snapping. Kap is essentially a 'QuickTime Pro' experience; use QuickTime only if you cannot install third-party software or need raw, uncompressed MOV files.
OBS Studio
Free and actively maintained multi-source recorder. Heavier than Kap but safer for long-term standards.
Pricing
Kap is completely free under the MIT License. There are no paid tiers, watermarks, or time limits. The project was sustained by the open-source community and Wulkano. All features, including the plugin system, 4K recording, and commercial format exports, are available to every user on install. Note: with no stable releases since October 2022, there is no commercial SLA. Validate on your macOS version before standardising, and treat multi-year silence as a migration risk for security-conscious teams.
Pros
- ✓Completely Free & Open Source, No hidden costs, subscriptions, or watermarks ever.
- ✓Modern, Minimalist UI, Designed specifically for macOS, looking native and uncluttered.
- ✓Plugin ecosystem - Extensible with JavaScript to integrate with many web services.
- ✓Multiple Export Formats, Native support for GIF, MP4, WebM, and APNG out of the box.
- ✓Native capture - Uses Swift (Aperture) for recording, so capture stays smooth on Apple Silicon.
- ✓Privacy First, All processing happens locally; no cloud uploads unless you explicitly configure a plugin.
Cons
- ✗No stable release since v3.6.0 (28 October 2022), shipping is effectively abandoned.
- ✗Limited Editing Tools, Lacks advanced annotations (arrows, blur, text) found in paid tools.
- ✗Electron Resource Usage, The interface can use more RAM than a purely native Swift app.
- ✗No Scrolling Capture, Cannot capture full-page screenshots of long websites.
- ✗Mac Only, Not available for Windows or Linux users.
Community & Support
Kap's community sits mainly on its GitHub repository. With over 19,000 stars, it is still one of the better-known open-source Mac utilities, even with the multi-year release freeze. Support runs through GitHub Issues and Discussions. There is no paid 24/7 support desk. Plugin docs are solid for developers writing export hooks. Dozens of community plugins cover common upload targets, though many have not been updated for newer macOS releases either.
Video Tutorials
Getting Started with Kap
More Tutorials
NEW TO MAC? Mac Tutorial for Beginners 2025
MacVince • 1.3M views
Macbook Air 13.6 inch M3 Screen Protector - Best Film Protector #shorts
Yellow Phú • 146.9K views
Mac Tutorial for Beginners / Windows Users
Anson Alexander • 1.1M views
Frequently Asked Questions about Kap
About the Author
Creative Software Expert
Expert Tips for Kap
2026 community discussion still mentions Kap for quick GIFs but increasingly flags the 2022 last-release date as a migration trigger.
Security-conscious teams treat multi-year silence as a reason to prefer OBS or Cap even if Kap still launches on their Mac.
Related Technologies & Concepts
Sources & References
Fact-CheckedLast verified: Aug 9, 2026
Key Verified Facts
- Kap's latest GitHub release is v3.6.0 from 28 October 2022.[cite-2]
- getkap.co lists macOS 12+ and publishes arm64/x64 downloads.[cite-1]
- Cap is positioned as an actively developed open-source screen recording alternative.[cite-4]
- 1
- 2
- 3
- 4
- 5
- 6
Research queries: Kap v3.6.0 release; Cap.so screen recorder; getkap.co 2026