For Automation
Guides, tutorials, and real-world workflows for composable document and image processing.
One Credit Pool, Every Format: Why Unified Billing Matters for Content Pipelines
Per-service billing creates waste and unpredictability. Unified credits across all operations let your budget flex with your actual workflow.
Process Invoices in n8n Without Burning LLM Credits on Every Document
Most n8n invoice workflows chain OCR and LLM services that bill per token. Iteration Layer extracts structured invoice data at a fixed credit cost per document.
Run a Complete Image Processing Pipeline with the Iteration Layer n8n Node
n8n's Edit Image node handles basics. For production pipelines — resize, crop, sharpen, watermark, convert — the Iteration Layer node runs multiple operations in one workflow.
Convert Any Document to Clean Markdown in n8n
PDF, DOCX, HTML, images — convert them all to structured Markdown inside an n8n workflow. One node, no OCR chain, no LLM parsing.
Generate Formatted Excel Spreadsheets in n8n
Create multi-sheet XLSX files with formatting, formulas, and merged cells directly from n8n workflows — no code, no Google Sheets export.
Convert Markdown to Styled PDF in n8n
Turn Markdown content into professionally styled PDF documents inside n8n — with custom fonts, headers, footers, and page numbers.
One n8n Node for Your Entire Document and Image Pipeline
Most n8n document workflows chain several separate services. The Iteration Layer community node replaces them with one integration for extraction, transformation, and generation.
From PDF Invoices to Formatted Spreadsheets in Two API Calls
Extract structured data from PDF invoices and generate formatted XLSX spreadsheets using the Document Extraction and Sheet Generation APIs.
Convert Thousands of Images Between Formats with a Single API
Batch convert images to WebP, AVIF, JPEG, or PNG. One API, no tooling to install, no servers to scale.
Generate Hundreds of Social Media Images from a Single Template
Define a template with layers, swap the dynamic content, generate images at scale. Instagram, Twitter, LinkedIn — all from one API.
Optimize Product Images for Amazon, Shopify, and the Web
The complete guide to optimizing product images for marketplace requirements, web performance, compression, responsive delivery, and automation.