Features & Updates

ApexClip is an AI-powered shortform video generation engine that runs entirely in your browser. Here's everything it can do.

Core Features

Core

AI-Powered Clip Generation

Analyzes your video transcript using natural language processing to identify the most engaging moments. Understands narrative structure — hooks, story arcs, punchlines, and emotional peaks.

LLM-powered moment analysis for pro users
Algorithmic fallback for free tier with narrative scoring
Topic segmentation breaks long videos into distinct scenes
Transcript-based context awareness prevents awkward mid-sentence cuts
Core

Smart Face Tracking Camera

Spring-based face tracking follows the active speaker across frames. Dynamically adjusts zoom, pan, and framing in real-time for 9:16 vertical output.

MediaPipe Face Landmarker running on WebGPU/WASM
Spring-based smoothing eliminates jittery camera movements
Multi-face handling with speaker identification from transcript
Boundary clamping prevents over-zooming or edge cutoff
Core

Animated Captions

Auto-generate word-level animated captions synced to speech with 40+ professional font styles. Choose from single-word bounce, karaoke highlighting, or sentence-mode.

40+ curated font styles (sans-serif, display, serif, handwriting)
Custom font upload support (TTF, OTF, WOFF, WOFF2)
Color picker with gradient text support
Multiple caption modes: single word, karaoke, sentence
Adjustable position, size, and background opacity
Pro

B-Roll Integration

AI-powered B-roll placement covers silent segments, scene transitions, and off-story dialogue with relevant stock footage. Semantic keyword extraction and narrative scoring select contextually appropriate B-roll.

Automatic B-roll placement during silent/speaking pauses
Pexels stock footage integration with keyword matching
White-flash transitions between B-roll and speech
Ken Burns effect on still images for dynamic movement
Per-clip B-roll customization in the editor
Pro

Timeline Editor

Full timeline-based editor for fine-tuning individual shorts. See distinct scene segments, caption tracks, and B-roll layers. Drag to adjust boundaries, compress durations, re-render with one click.

Multi-track timeline: video scenes, captions, B-roll
Visual timeline with zoom controls for precise editing
Individual scene download as MP4
Caption text editing inline
One-click re-render with all changes applied
Core

Original Quality Export

Export shorts at the original resolution of your source video. No unnecessary upscaling or downscaling that introduces artifacts.

Preserves source video resolution natively
H.264 codec for universal platform compatibility
WebM and MP4 output formats
Frame-accurate clip boundaries
Semi-transparent watermark on free tier
Privacy

100% Private — No Uploads

Everything runs in your browser. Your video is processed locally using WebAssembly and Web Workers — it never touches any server.

Local Whisper transcription via WebAssembly
Browser-side face tracking with MediaPipe
No server uploads for video processing
Works offline after initial model download
All data stored in your browser (IndexedDB)
Core

Intelligent Pipeline

Multi-stage pipeline handling everything from audio extraction to final export. Each stage optimized for browser performance.

Parallel Whisper workers for fast transcription
Cloud Whisper fallback for low-memory devices
Chunked processing for videos up to 5 hours
Auto-save checkpoints to resume interrupted sessions
Memory monitoring prevents browser crashes

Changelog

NewSeptember 2026

Animated Watermark (Free Tier)

Subtle animated watermark that fades in around the middle of each short — professional branding that replaces the old static overlay.

NewSeptember 2026

Font Style Library (40+ Fonts)

40+ curated Google Fonts organized by category. Plus custom TTF/OTF/WOFF upload support.

NewSeptember 2026

Color Picker with Gradients

Full color picker supporting hex, RGB, and gradient text for dynamic caption styles.

NewSeptember 2026

Pitch Shifting & Speed Control

Adjust audio pitch (-12 to +12 semitones) and playback speed (0.25x to 3x) on exported shorts.

NewSeptember 2026

Color Grading Toolkit

Exposure, contrast, saturation, temperature, tint, grayscale, sepia, and more — all applied during export.

NewAugust 2026

AI-Powered B-roll Integration

Automatic B-roll placement with narrative structure awareness and semantic keyword matching.

NewAugust 2026

Short Editor (Pro)

Timeline-based editor for fine-tuning individual shorts. Edit captions, rearrange scenes, trim, and re-render.

ImprovementAugust 2026

Smart Face Tracking Upgrade

Transcript-matching accuracy. Camera precisely tracks the actual speaker in multi-person segments.

NewJuly 2026

Narrative-Aware Clip Generation

AI understands story structure — hooks, buildups, climaxes, and resolutions. Proper narrative flow.

ImprovementJuly 2026

Server-Side Rate Limiting

Dynamic quota system for AI processing. Pro users get priority allocation from the global neuron pool.

NewJune 2026

Google Sign-In & Pipeline History

Sign in with Google to track generation history. Data stays local in your browser.

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