by K_Naoki·VFX
Images © K_Naoki. Used for product review; image policy.
Clip Tools earns its place in the Blender extensions library for bundling several motion tracking chores, gap interpolation, start-frame syncing, and solver-constraint setup, into single actions.
Clip Tools is a set of motion tracking helpers for Blender. Its Bridge Gap action fills an OFF or missing tracking gap by interpolating new marker positions: select the track, place the timeline cursor near the gap you want to fill, choose an interpolation method, then click Bridge Gap. The gap closest to the current frame is processed, and a Join option bridges across short enabled marker islands as part of the same gap.
Beyond gap filling, it automatically sets the start frame based on the sequence number from a loaded footage filename, which helps sync the timeline to the imported sequence. It also adds and configures a Camera Solver Constraint on the active scene camera, without adding the extra objects Blender's Setup Tracking Scene typically creates.
For object tracking, it creates an Empty named ObjectTrack and sets up an Object Solver Constraint configured to use the active Tracking Object name; this is available only once a Tracking Object has been added to the Movie Clip. Clip Tools is released under GPL v3 or later and is compatible with Blender 4.2 LTS and newer.
Clip Tools is best for blender artists working on motion tracking who need to fill tracking gaps and set up solver constraints.
Clip Tools is completely free to download and use.
Clip Tools is compatible with Blender 4.2 LTS and newer, so any release from that version forward should run the add-on. It can be added by dragging and dropping the download into Blender, or by downloading the file and installing it from disk through the extensions preferences. The current version is 1.2.0, last updated on 30 June 2025. For the latest compatibility notes, check the developer's GitHub page.
Clip Tools closes an OFF or missing tracking gap with its Bridge Gap action, which interpolates new marker positions. Select the track, place the timeline cursor near the gap you want to fill, choose an interpolation method, then click Bridge Gap. The gap closest to the current frame is processed. Enabling the Join option automatically bridges across short enabled marker islands as part of the same gap, so several nearby segments can be treated together.
Clip Tools can be installed in two ways. You can drag and drop the downloaded add-on directly into Blender, or download the file and install it from disk through Blender's extensions preferences. It targets Blender 4.2 LTS and newer, so make sure your version meets that minimum before installing. Once enabled, its tools for gap filling, start-frame syncing, and solver-constraint setup become available. Full installation guidance is on the developer's GitHub page.
Clip Tools is listed as free in this catalog and is released under the GNU General Public License v3.0 or later, so you can use, study, and modify it under the terms of that license. The GPL v3 also covers redistribution of the add-on and any modifications you make to it. Licensing terms can change, so check the developer's GitHub page for the current details before relying on it in a project.
Clip Tools can create an Empty object named ObjectTrack and set up an Object Solver Constraint for it, but this action is available only once a Tracking Object has been added to the Movie Clip. The constraint is automatically configured to use the active Tracking Object name. This differs from the Camera Solver feature, which instead adds and configures a Camera Solver Constraint on the active scene camera without creating the extra objects Blender's Setup Tracking Scene normally adds.
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