function convert(input) {
    alert('Error.  Contact us if this keeps happening.');
    document.getElementById('modal-contact').classList.add('show');
    }







    window.ctMaxUploadFiles = 1;

    function _ctExifFormatValue(v) {
        if (v == null) return '';
        if (typeof v === 'string') return v;
        if (typeof v === 'number') return String(v);
        if (Array.isArray(v)) return v.join(', ');
        if (v.description != null) return String(v.description);
        if (v.value != null) {
            if (Array.isArray(v.value)) return v.value.join(', ');
            return String(v.value);
        }
        try { return JSON.stringify(v); } catch (e) { return String(v); }
    }

    function _ctExifBuildText(tags) {
        var lines = [];
        var ordered = ['file','exif','gps','xmp','iptc','icc','pngFile','png','riff','jfif','maker'];
        var titleMap = { file:'File', exif:'EXIF (Camera)', gps:'GPS', xmp:'XMP', iptc:'IPTC', icc:'Color (ICC)', pngFile:'PNG', png:'PNG', riff:'RIFF', jfif:'JFIF', maker:'Maker Notes' };
        var emitted = {};

        function emit(group, label) {
            var obj = tags[group];
            if (!obj || typeof obj !== 'object') return;
            var keys = Object.keys(obj);
            if (!keys.length) return;
            keys.sort();
            lines.push('--- ' + label + ' ---');
            keys.forEach(function(k) {
                lines.push(k + ': ' + _ctExifFormatValue(obj[k]));
            });
            lines.push('');
            emitted[group] = true;
        }

        ordered.forEach(function(g) { emit(g, titleMap[g] || g); });
        Object.keys(tags).forEach(function(g) {
            if (emitted[g]) return;
            if (typeof tags[g] !== 'object') return;
            emit(g, g);
        });
        return lines.join('\n').trim();
    }

    function processFile(blob, fileName) {
        var box2 = document.getElementById('box2');
        if (box2) box2.value = 'Reading metadata...';

        loadScriptPromise('https://cdn.jsdelivr.net/npm/exifreader@4.23.7/dist/exif-reader.js').then(function() {
            if (typeof ExifReader === 'undefined') throw new Error('EXIF library failed to load');
            return blob.arrayBuffer();
        }).then(function(buf) {
            var tags;
            try { tags = ExifReader.load(buf, { expanded: true, includeUnknown: false }); }
            catch (err) {
                if (box2) box2.value = '(No EXIF metadata found in this file.)';
                return;
            }

            var text = _ctExifBuildText(tags);
            if (box2) {
                box2.value = text || '(No EXIF metadata found in this file.)';
                try { if (typeof writeCharacterAndWordCount === 'function') writeCharacterAndWordCount(); } catch (e) {}
            }

            if (text) {
                var base = (fileName || 'image').replace(/\.[^.]+$/, '');
                var blobOut = new Blob([text], { type: 'text/plain;charset=utf-8' });
                add_file_output(URL.createObjectURL(blobOut), base + '-exif.txt', 0);
            }
        }).catch(function(err) {
            if (box2) box2.value = 'Could not read EXIF: ' + (err && err.message || err);
        });
    }



var _loadedScripts = {};
function loadScriptPromise(url) {
    if (_loadedScripts[url]) return _loadedScripts[url];
    _loadedScripts[url] = new Promise(function (resolve, reject) {
        var s = document.createElement('script');
        s.src = url;
        s.onload = resolve;
        s.onerror = reject;
        document.head.appendChild(s);
    });
    return _loadedScripts[url];
}

function replaceAll(find, replace, str) {
    return str.replace(new RegExp(find, 'g'), replace);
}

function beautify(str) {


    var result = '';

    var length = str.length;

    var i = 0;

    var braceCountLeft = 0;
    var braceCountRight = 0;

    var withinQuotes = false;

    while (i < length) {

        var c = str[i];

        if (c == '"' && (i == 0 || c[i - 1] != '\\')) {
            // non-escaped quotes
            withinQuotes = !withinQuotes;
        }

        if (!withinQuotes && (c == '}' || c == '{' || c == ',')) {

            console.log('Start####' + result);

            // look back and remove carriage returns and whitespace that are already there

            var resultIndex = result.length - 1;
            while (resultIndex >= 0 && (result[resultIndex] == ' ' || result[resultIndex] == '\r' || result[resultIndex] == '\n' || result[resultIndex] == '\t')) {

                resultIndex = resultIndex - 1;
                result = result.substr(0, resultIndex + 1);

                console.log('char ' + result[resultIndex] + '-----' + result + 'zzz ' + result.length + ' ' + resultIndex);

            }


            if (c == '{') {
                braceCountLeft++;
                result += c + '\r' + GetTabs(braceCountLeft - braceCountRight);
            } else if (c == '}') {
                braceCountRight++;
                // precede with carriage return
                result += '\r' + GetTabs(braceCountLeft - braceCountRight) + c;
            } else if (c == ',') {
                result += c + '\r' + GetTabs(braceCountLeft - braceCountRight);
            }

            var nextChar = '';

            // advance through whitespace and remove carriage returns that are already there
            while (i < length && (str[i + 1] == ' ' || str[i + 1] == '\r' || str[i + 1] == '\n' || str[i + 1] == '\t')) {
                i++;
            }

        } else {

            result += str[i];

        }


        i++;

    }

    return result;

}

function GetTabs(count) {

    var result = '';

    for (var i = 0; i < count; i++) {
        result += '    ';
    }

    return result;

}