CapStars icon

CapStars

A fast, offline video editor for Android. Multi-track timeline, real-time effects, keyframe animation. No accounts, no cloud, no ads.

Get it on Google Play
CapStars editor showing multi-track timeline with video, audio, effects, and text

Features

VIDEO

Multi-Track Timeline

Video, audio, text, and effect tracks. Drag to move, trim, and arrange clips on a zoomable timeline.

FX

Shader Effects

Night Vision, Pixelate, Glitch, Thermal, Halftone, Vignette, Fisheye, Duotone, Letterbox, and more.

KF

Keyframe Animation

Animate position, scale, rotation, and opacity over time. Per-clip keyframe curves with interpolation.

AUDIO

Audio Control

Volume, fade in/out, speed adjustment. Waveform visualization on timeline clips. Beat sync.

FILTER

Color Filters

Brightness, contrast, saturation, hue, sepia, invert, chroma key (green screen) with tolerance control.

EXPORT

Flexible Export

Presets for YouTube, Instagram, TikTok, Twitter. Custom resolution and frame rate. Hardware-accelerated encoding.

TEXT

Text Overlays

Custom fonts, size, outline, positioning. Drag to place on the preview. Animatable with keyframes.

PROJECT

Project Management

Save and load projects. Full undo/redo history. Freeze frame capture. Everything stays on your device.

Getting Started

Import Media

Tap IMPORT to open the file picker. Select a video or audio file. It appears as a clip on the timeline.

Navigate the Timeline

Drag the orange playhead to scrub through your video. Pinch or use + / - to zoom the timeline. Tap a clip to select it.

Cut and Arrange

Move the playhead to where you want to split, then tap CUT. Drag clips to rearrange. Use the left/right arrows to swap clip order.

Add Effects

Tap FX and choose an effect like Night Vision or Glitch. The effect clip appears on a separate track. Drag its edges to control duration.

Add Text

Tap TEXT, pick a font, and a text overlay appears on the preview. Drag to position it. Edit the text and adjust font size and outline.

Animate with Keyframes

Select a clip and tap KF. Move the playhead to a time, change position/scale/rotation/opacity, and a keyframe is created. The editor interpolates between keyframes.

Adjust Filters

With a clip selected, use filter controls for brightness, contrast, saturation, hue, and more. Apply chroma key to remove green screens.

Export

Tap EXPORT to render your project. Choose a preset (YouTube 1080p, Instagram, TikTok) or set custom resolution and frame rate.

Save Your Project

Tap SAVE to save your project for later. Tap LOAD to reopen it. Use NEW to start fresh.