by Blastframe·Workflow
Images © Blastframe. Used for product review; image policy.
Keys earns its place for closing a specific Graph Editor gap — Blender hides contextual controls when you Box Select keyframes, and this add-on surfaces them in a panel. Support spanning Blender 2.8 to 5.1 and a GPL license make it straightforward to add to an animation workflow.
Keys is a Blender add-on from Blastframe that targets a specific limitation in the Graph Editor: when you Box Select keyframes, Blender doesn't show contextual menus for modifying them. Keys adds a panel where you can select multiple keyframes and edit them directly in the user interface.
The panel brings keyframe and handle properties into one place. You can set interpolation to Constant, Linear, or Bezier, edit the Key Frame as a whole or subframe, and change Key Values. Both the left and right handles have their own controls: handle type (Free, Aligned, Vector, Automatic, Auto Clamped), handle frame, handle value, and handle length.
Keys is listed as Blender Extension compatible and works across Blender versions 2.8 through 5.1. It ships under the GPL license and comes with documentation. The add-on is also part of Blastframe's Ultimate Animators Bundle, and a demo video is available for a closer look.
Keys is best for blender animators working in the Graph Editor who want to edit several keyframes and their handles at the same time.
Keys is completely free to download and use.
Keys lists compatibility with Blender versions 2.8 through 5.1, so it covers a wide span of releases. It is also marked as Blender Extension compatible and is classified as an add-on. If you are on a version within that range, it should fit your setup. For confirmation against your exact Blender build and the latest compatibility details, check Blastframe's page on superhive, which carries the current information for the add-on.
Keys is listed as free here in the catalog, and it ships under the GPL license. Licensing terms and any bundle options can change over time, so for the latest details it is best to check Blastframe's page directly. Worth noting that Keys is also included in the Ultimate Animators Bundle, which groups it with other animation products from the same developer. That gives you more than one route to obtain the add-on depending on what else you need.
Keys works by letting you Box Select keyframes in the Graph Editor and then edit them through its panel. From there you can set interpolation to Constant, Linear, or Bezier, adjust the Key Frame as a whole or subframe, and change Key Values. The panel also exposes left and right handle controls, including handle type, frame, value, and length. This brings the keyframe and handle properties into a single interface, which addresses the difficulty of editing several keyframes simultaneously.
Keys provides control over the handles on both sides of a keyframe. For each of the left and right handles you can set the type — Free, Aligned, Vector, Automatic, or Auto Clamped — along with the handle frame, value, and length. Alongside these, the panel covers interpolation modes and Key Values. If you regularly fine-tune curve shapes in the Graph Editor, these options put the relevant properties in one place rather than spread across separate steps.
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