Documentation

This page matches the current product features shown on letterblack.net and gives a concise operational reference for buyers before and after purchase.

After Effects 2025+ Windows 10/11 + macOS CEP 11 BYOK (Bring Your Own API Key)

Quick Start

  1. Purchase or download the extension package from Gumroad.
  2. Extract the downloaded archive and open the included START_HERE.md.
  3. Follow install steps in that guide, then open Letterblack from After Effects.
  4. Add your API key in settings for the provider you want to use.
  5. Start with chat mode, then enable script execution for automation workflows.

Feature Reference

Aligned with the current feature cards on the product page.

Context-Aware Chat

Injects composition metadata and selected layer context into each request.

Self-Healing Scripts

Detects script failures and rewrites code until it executes successfully.

Apply Effects Instantly

Natural language effect commands like add glow apply directly in AE.

Project Memory

Stores brand rules and project context for consistent multi-session outputs.

Timeline Vision

Uses current frame, layer stack, and playhead context to guide AI suggestions.

Vision AI Analysis

Analyzes composition screenshots for layout, design, and technical feedback.

Script Library

Saves reusable scripts by category for repeatable production operations.

Batch Processing

Runs actions across many layers in one command for consistent results.

Hybrid AI Engine

Supports local and cloud model routing for privacy, cost, and reliability control.

Safety Guardrails (LSBE)

Validates actions before execution and blocks unsafe or destructive operations.

Error Telemetry

Tracks failures and diagnostics to reduce debugging time in active projects.

Provider Support

  • OpenAI
  • Anthropic
  • Google Gemini
  • Ollama / LM Studio (offline/local mode)

Plan Snapshot

PlanSummaryIncludes
FreeChat-only workflowAI chat, provider support, context awareness
Tier 1Chat + script executionScript editor, run/download/save scripts, telemetry
ProFull production toolkitVision AI, script library, complete panel set

Exact pricing and package details are managed on Gumroad.

Core Guarantees

  • No silent script execution: user review before run.
  • Local-first data behavior for scripts, settings, and project memory.
  • Direct provider API usage with your own key (no hidden proxy requirement).
  • Offline-compatible workflows with local model providers.

Purchase and Updates

Buy and download from Gumroad. New versions and release updates are delivered through your product download access.