Batch_Resize_1280px.jsx

/*
Photoshop Script: Batch image Resizer
Features: Landscape/Portrait | JPG/PNG/WebP | Copyright Metadata
Author: Tuxxin
*/

#target photoshop

function main() {
    // --- 1. BUILD THE UI ---
    var win = new Window("dialog", "Batch Resize & Copyright Tool");
    win.orientation = "column";
    win.alignChildren = "fill";

    // Panel: Resize Options
    var pnlResize = win.add("panel", undefined, "Resize Mode (Target: 1280px)");
    pnlResize.orientation = "column";
    pnlResize.alignChildren = "left";
    var radLandscape = pnlResize.add("radiobutton", undefined, "Landscape (Fix Width to 1280px)");
    var radPortrait = pnlResize.add("radiobutton", undefined, "Portrait (Fix Height to 1280px)");
    radLandscape.value = true; 

    // Panel: Format Options
    var pnlFormat = win.add("panel", undefined, "Output Format");
    pnlFormat.orientation = "column";
    pnlFormat.alignChildren = "left";
    var radJPG = pnlFormat.add("radiobutton", undefined, "JPG (Quality 7, Progressive)");
    var radPNG = pnlFormat.add("radiobutton", undefined, "PNG (Transparent)");
    var radWebP = pnlFormat.add("radiobutton", undefined, "WebP (Requires Photoshop 23.2+)");
    radJPG.value = true; 

    // Panel: Copyright Info
    var pnlMeta = win.add("panel", undefined, "Metadata");
    pnlMeta.orientation = "column";
    pnlMeta.alignChildren = "fill";
    pnlMeta.add("statictext", undefined, "Copyright Notice:");
    var txtCopyright = pnlMeta.add("edittext", undefined, "");
    txtCopyright.helpTip = "e.g. (c) 2026 My Company"; 

    // Buttons
    var grpBtns = win.add("group");
    grpBtns.orientation = "row";
    var btnRun = grpBtns.add("button", undefined, "Select Folders & Run");
    var btnCancel = grpBtns.add("button", undefined, "Cancel");

    btnRun.onClick = function() { win.close(1); }
    btnCancel.onClick = function() { win.close(0); }

    var result = win.show();
    if (result != 1) return;

    // --- 2. SELECT FOLDERS ---
    var inputFolder = Folder.selectDialog("Select Source Folder");
    if (inputFolder == null) return;
    
    var outputFolder = Folder.selectDialog("Select Destination Folder");
    if (outputFolder == null) return;

    // --- 3. IMAGE SETTINGS ---
    var targetSize = 1280;
    var resizeMode = radLandscape.value ? "width" : "height";
    var copyrightText = txtCopyright.text;
    
    var formatMode = "jpg";
    if (radPNG.value) formatMode = "png";
    if (radWebP.value) formatMode = "webp";

    var fileList = inputFolder.getFiles();
    var successCount = 0;
    var errorCount = 0;

    var restoreDisplayDialogs = app.displayDialogs;
    app.displayDialogs = DialogModes.NO;

    // --- 4. PROCESSING LOOP ---
    for (var i = 0; i < fileList.length; i++) {
        var file = fileList[i];
        if (file instanceof File && isImageFile(file)) {
            try {
                processFile(file, outputFolder, targetSize, resizeMode, formatMode, copyrightText);
                successCount++;
            } catch (e) {
                errorCount++;
                // Debug: disabled by default so batch continues
                // alert("Error on file " + file.name + ": " + e);
            }
        }
    }

    app.displayDialogs = restoreDisplayDialogs;
    
    var msg = "Batch Complete!\nProcessed: " + successCount;
    if (errorCount > 0) msg += "\nErrors/Skipped: " + errorCount;
    alert(msg);
}

function processFile(file, outputFolder, targetSize, resizeMode, formatMode, copyrightText) {
    var doc = open(file);

    // 1. ADD METADATA
    if (copyrightText.length > 0) {
        doc.info.copyrighted = CopyrightedType.COPYRIGHTEDWORK;
        doc.info.copyrightNotice = copyrightText;
    }

    // 2. RESIZE
    if (resizeMode === "width") {
        if (doc.width > targetSize) {
            var ratio = doc.height / doc.width;
            var newHeight = targetSize * ratio;
            doc.resizeImage(UnitValue(targetSize, "px"), UnitValue(newHeight, "px"), null, ResampleMethod.BICUBIC);
        }
    } else {
        if (doc.height > targetSize) {
            var ratio = doc.width / doc.height;
            var newWidth = targetSize * ratio;
            doc.resizeImage(UnitValue(newWidth, "px"), UnitValue(targetSize, "px"), null, ResampleMethod.BICUBIC);
        }
    }

    // 3. SAVE LOGIC
    var docName = decodeURI(doc.name);
    var baseName = docName.substring(0, docName.lastIndexOf('.')) || docName;
    
    if (formatMode === "jpg") {
        // Prepare for JPG (Must be 8bit RGB)
        if (doc.mode != DocumentMode.RGB) doc.changeMode(ChangeMode.RGB);
        if (doc.bitsPerChannel != BitsPerChannelType.EIGHT) doc.bitsPerChannel = BitsPerChannelType.EIGHT;
        
        var saveFile = new File(outputFolder + "/" + baseName + ".jpg");
        var jpgOpts = new JPEGSaveOptions();
        jpgOpts.quality = 7;
        jpgOpts.embedColorProfile = true;
        jpgOpts.formatOptions = FormatOptions.PROGRESSIVE;
        jpgOpts.scans = 5;
        jpgOpts.matte = MatteType.NONE;
        doc.saveAs(saveFile, jpgOpts, true, Extension.LOWERCASE);

    } else if (formatMode === "png") {
        // Prepare for PNG (Must be RGB, supports transparency)
        if (doc.mode == DocumentMode.CMYK) doc.changeMode(ChangeMode.RGB);
        if (doc.bitsPerChannel != BitsPerChannelType.EIGHT) doc.bitsPerChannel = BitsPerChannelType.EIGHT;
        
        var saveFile = new File(outputFolder + "/" + baseName + ".png");
        var pngOpts = new PNGSaveOptions();
        pngOpts.compression = 9;
        pngOpts.interlaced = false;
        doc.saveAs(saveFile, pngOpts, true, Extension.LOWERCASE);

    } else if (formatMode === "webp") {
        // Prepare for WebP (Must be 8bit RGB, Flattened usually safer for ActionDescriptors)
        if (doc.mode != DocumentMode.RGB) doc.changeMode(ChangeMode.RGB);
        if (doc.bitsPerChannel != BitsPerChannelType.EIGHT) doc.bitsPerChannel = BitsPerChannelType.EIGHT;
        
        var saveFile = new File(outputFolder + "/" + baseName + ".webp");
        saveAsWebP(doc, saveFile);
    }

    doc.close(SaveOptions.DONOTSAVECHANGES);
}

// Native WebP ActionDescriptor
function saveAsWebP(document, saveFile) {
    var actionDescriptor = new ActionDescriptor();
    var webpOptions = new ActionDescriptor();
    
    // WebP Settings: Lossy, 75% Quality, Include Metadata
    webpOptions.putEnumerated(stringIDToTypeID("compressionType"), stringIDToTypeID("compressionType"), stringIDToTypeID("lossy"));
    webpOptions.putInteger(stringIDToTypeID("compression"), 75); 
    webpOptions.putBoolean(stringIDToTypeID("includeXMPData"), true);
    webpOptions.putBoolean(stringIDToTypeID("includeEXIFData"), true);
    webpOptions.putBoolean(stringIDToTypeID("includePsMapData"), true);

    var saveAction = new ActionDescriptor();
    saveAction.putObject(stringIDToTypeID("as"), stringIDToTypeID("WebPFormat"), webpOptions);
    saveAction.putPath(stringIDToTypeID("in"), saveFile);
    saveAction.putInteger(stringIDToTypeID("documentID"), document.id);
    saveAction.putBoolean(stringIDToTypeID("lowerCase"), true);
    
    executeAction(stringIDToTypeID("save"), saveAction, DialogModes.NO);
}

function isImageFile(file) {
    var name = file.name.toLowerCase();
    return (name.match(/\.(jpg|jpeg|png|tif|tiff|psd|bmp|webp)$/i));
}

main();