CodePiler docs

CodePiler converts a repository into structured prompt context. You import a folder or ZIP, inspect the repository tree, select the files that matter, wrap the output with a system prompt and task, and export in the format your workflow needs.

The application is optimized for repository understanding, debugging prompts, onboarding context, and AI-assisted documentation and refactoring work. Everything runs client-side — no files leave your browser.

The typical flow is: import → search and filter → select files → set a token budget → add a prompt wrapper → export. The file tree and prompt viewer sit side by side so scope stays visible throughout.

This is the main advantage over manual copy-paste: the output stays grounded in the repository structure, the token count is always visible, and the full prompt — system instruction, code context, and task — is assembled in one place before you send it.

Prompt wrapper: click the Prompt button in the viewer header to open a modal where you can add a system prompt (prepended) and a task (appended). Both sections ship with presets — 12 language-specific system prompts (JavaScript/TypeScript, Python, Go, Rust, Java, and more) and 12 common task templates (modularize, OOP refactor, write tests, security review, and more).

Token budget: select a model context limit from the dropdown next to the token chip — Claude 200K, GPT-4o 128K, Gemini 1M, GPT-3.5 16K — and a color-coded progress bar tracks your usage toward that limit in real time.

Selected files panel: a collapsible panel pinned to the bottom of the file tree lists every selected file with its individual token cost and a one-click remove button, so you can audit your selection without scrolling through the tree.

Separate preview and select: clicking a filename in the tree now previews it in the editor without automatically selecting it. Use the checkbox to include a file in the export. This makes it easy to inspect a file before deciding whether it belongs in the prompt.

Tree controls: Select All and Clear buttons let you include or exclude the entire repository with one click. Expand All and Collapse All buttons manage folder state across the full tree.