Photoshop ExtendScript Automation
Generate, debug, and optimize Photoshop ExtendScript automation
What You Can Do
You can generate production-ready ExtendScript code to automate batch Photoshop workflows, process hundreds of assets with consistent results, and build custom image processing pipelines. Claude helps you debug complex scripts, optimize for performance, and solve asset management challenges without requiring deep ExtendScript expertise.
Features
resize, color correction, filter application, layer management, and export across multiple formats
identify runtime issues, validate DOM navigation, troubleshoot file I/O, and trace logic problems with detailed explanations
minimize memory usage, parallelize document operations, cache layers intelligently, and reduce processing time for large batches
automate file organization, generate thumbnails, rename batches by metadata, and create organized output structures
build reusable, parameterized scripts for common workflows (watermarking, resizing, color space conversion, layer flattening)
build script panels, create dialog boxes for user input, implement preference storage, and design interactive workflows
manage multi-document operations, coordinate layer copying between files, and execute sequential document processing
add try-catch patterns, generate processing reports, track failures, and enable workflow auditing
Example Output
Batch Resize & Watermark Script:
#target photoshop
var inputFolder = new Folder("/input_images");
var outputFolder = new Folder("/output_images");
var files = inputFolder.getFiles("*.psd");
for (var i = 0; i < files.length; i++) {
app.open(files[i]);
var doc = app.activeDocument;
doc.resizeImage(UnitValue(1920, "px"), UnitValue(1080, "px"));
var textLayer = doc.artLayers.add();
textLayer.kind = LayerKind.TEXT;
textLayer.textItem.contents = "© 2026";
exportPNG(doc, outputFolder.fsName + "/" + doc.name.replace('.psd', '.png'));
doc.close(SaveOptions.DONOTSAVECHANGES);
}
Error-Handling Pattern:
try {
if (!app.documents.length) throw new Error("No active document");
var doc = app.activeDocument;
if (doc.layers.length === 0) throw new Error("Document has no layers");
} catch (e) {
$.writeln("Script failed: " + e.message + " " + e.line);
}
What's Included
- SKILL.md: Complete ExtendScript automation system with code examples, DOM API reference, and workflow patterns
- Batch Processing Template: Ready-to-use script for resizing, filtering, and multi-format export
- Debugging Checklist: Step-by-step guide to identify and fix ExtendScript errors and performance bottlenecks
- Performance Optimization Guide: Best practices for memory management and processing speed
- Error Handling Patterns: Reusable try-catch templates and logging utilities
- Asset Management Workflows: Scripts for file organization, batch renaming, and metadata tagging
- Script Panel UI Template: Build interactive dialogs for user input and workflow configuration
- Testing & Validation Checklist: Verify scripts work correctly before production deployment
Who It's For
- Graphic designers — automate repetitive retouching, resizing, and export tasks for client deliverables
- Asset managers & production leads — batch process hundreds of product images with consistent branding and formatting
- Creative studios — build custom workflows for team consistency and reduce manual workload
- E-commerce teams — automate product image preparation (sizing, watermarking, format conversion) for catalog uploads
- Photographers & retouchers — streamline batch editing and generate multiple export formats
Best For
- Batch image resizing and format conversion across hundreds of files
- Automated asset tagging, renaming, and organizational workflows
- Applying consistent filters, color corrections, or effects to production batches
- Building custom Photoshop script panels and extensions for team workflows
- Generating processing reports and audit logs for asset quality control
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