diff --git a/action.php b/action.php
index 131202e..b5fcae0 100644
--- a/action.php
+++ b/action.php
@@ -144,41 +144,55 @@ switch ($VARS['action']) {
 
         break;
     case "getreceipt":
-        header("Content-Type: text/html");
+        require_once __DIR__ . "/lib/receipts.php";
+        $format = "html";
+        $width = 64;
+        if (isset($VARS['width']) && preg_match("/[0-9]+/", $VARS['width']) && (int) $VARS['width'] > 0) {
+            $width = (int) $VARS['width'];
+        }
+        if (isset($VARS['format'])) {
+            switch ($VARS['format']) {
+                case "text":
+                    $format = "text";
+                    header("Content-Type: text/plain");
+                    break;
+                case "json":
+                    $format = "json";
+                    header("Content-Type: application/json");
+                    break;
+                default:
+                    $format = "html";
+                    header("Content-Type: text/html");
+            }
+        }
         if (!$database->has('transactions', ['txid' => $VARS['txid']])) {
+            header("Content-Type: application/json");
             exit(json_encode(["status" => "ERROR", "txid" => null]));
         }
-
+        $receipt = new Receipt();
         $tx = $database->get('transactions', ['txid', 'txdate', 'customerid', 'type', 'cashier', 'discountpercent'], ['txid' => $VARS['txid']]);
-
+        // Info
         $txid = $tx['txid'];
         $datetime = date(DATETIME_FORMAT, strtotime($tx['txdate']));
         $type = $tx['type'];
         $cashier = getUserByID($tx['cashier'])['name'];
         $customerid = $tx['customerid'];
-        $customerline = "";
-        if (!is_null($customerid) && !empty($customerid)) {
-            $customerline = "<br />Customer: " . $database->get('customers', 'name', ['customerid' => $customerid]);
-        }
 
-        $itemhtml = "";
+        // Items
+        $itemlines = [];
         $items = $database->select('lines', ['amount', 'name', 'itemid', 'qty'], ['txid' => $txid]);
         $subtotal = 0.0;
         $paid = 0.0;
         foreach ($items as $i) {
-            $itemhtml .= "\n";
-            $itemhtml .= '<div class="flexrow">';
-            $itemhtml .= '<div>' . $i['name'] . '</div>';
-            $itemhtml .= '<div>$' . number_format($i['amount'], 2) . '</div>';
-            $itemhtml .= '<div>x' . (float) $i['qty'] . '</div>';
-            $itemhtml .= '<div>$' . number_format($i['qty'] * $i['amount'] * 1.0, 2) . '</div>';
-            $itemhtml .= '</div>';
+            $itemlines[] = new ReceiptLine(
+                    $i['name'], (float) $i['qty'] . '@' . number_format($i['amount'], 2), '$' . number_format($i['qty'] * $i['amount'] * 1.0, 2)
+            );
             $subtotal += $i['qty'] * $i['amount'] * 1.0;
         }
 
+        // Payments
         $total = $subtotal * (1.0 - ((float) $tx['discountpercent'] / 100));
-
-        $paymenthtml = "";
+        $paymentlines = [];
         $payments = $database->select('payments', [
             '[>]payment_types' => ['type' => 'typeid']
                 ], [
@@ -190,63 +204,54 @@ switch ($VARS['action']) {
             if ($p['amount'] < 0) {
                 continue;
             }
-            $paymenthtml .= "\n";
-            $paymenthtml .= '<div class="flexrow">';
-            $paymenthtml .= '<div>' . lang($p['text'], false) . '</div>';
-            $paymenthtml .= '<div>$' . number_format($p['amount'] * 1.0, 2) . '</div>';
-            $paymenthtml .= '</div>';
+            $paymentlines[] = new ReceiptLine(lang($p['text'], false), "", '$' . number_format($p['amount'] * 1.0, 2));
             $paid += $p['amount'] * 1.0;
         }
-
         $change = $paid - $total;
         if ($change <= 0) {
             $change = 0.0;
         }
 
-        $subtotalstr = number_format($subtotal, 2);
-        $paidstr = number_format($paid, 2);
-        $changestr = number_format($change, 2);
-        $totalstr = $subtotalstr;
-        $discountstr = "";
-        if ($tx['discountpercent'] > 0) {
-            $discountstr = '<div class="flexrow"><span>Discount: </span><span>' . (float) $tx['discountpercent'] . '% off</span></div>';
-            $totalstr = number_format($total, 2);
-        }
+        // Totals
+        $subtotalline = new ReceiptLine("Subtotal:", "", '$' . number_format($subtotal, 2));
+        $paidline = new ReceiptLine("Paid:", "", '$' . number_format($paid, 2), ReceiptLine::LINEFORMAT_BOLD);
+        $changeline = new ReceiptLine("Change:", "", '$' . number_format($change, 2), ReceiptLine::LINEFORMAT_BOLD);
+        $totalline = new ReceiptLine("Total:", "", '$' . number_format($subtotal, 2), ReceiptLine::LINEFORMAT_BOLD);
 
-        $html = <<<END
-<!DOCTYPE html>
-<meta charset="UTF-8">
-<meta name="viewport" content="width=device-width, initial-scale=1">
-<title>Tx #$txid</title>
-<style nonce="$SECURE_NONCE">
-.flexrow {
-    display: flex;
-    justify-content: space-between;
-    margin: 0;
-}
-</style>
-<hr />
-Date: $datetime<br />
-Tx. ID: $txid<br />
-Cashier: $cashier
-$customerline
-<hr />
-<div id="items">
-$itemhtml
-</div>
-<hr />
-<div class="flexrow"><span>Subtotal: </span><span>$$subtotalstr</span></div>
-$discountstr
-<b class="flexrow"><span>Total: </span><span>$$totalstr</span></b>
-<hr />
-<div id="payments">
-$paymenthtml
-</div>
-<hr />
-<b class="flexrow"><span>Paid: </span><span>$$paidstr</span></b>
-<b class="flexrow"><span>Change: </span><span>$$changestr</span></b>
-END;
-        exit($html);
+        $receipt->appendLine(new ReceiptLine("Date: $datetime"));
+        $receipt->appendLine(new ReceiptLine("Tx. ID: $txid"));
+        $receipt->appendLine(new ReceiptLine("Cashier: $cashier"));
+        if (!is_null($customerid) && !empty($customerid)) {
+            $customer = $database->get('customers', 'name', ['customerid' => $customerid]);
+            $receipt->appendLine(new ReceiptLine("Customer: $customer"));
+        }
+        $receipt->appendBreak();
+        $receipt->appendLines($itemlines);
+        $receipt->appendBreak();
+        $receipt->appendLine($subtotalline);
+        if ($tx['discountpercent'] > 0) {
+            $receipt->appendLine(new ReceiptLine("Discount:", "", (float) $tx['discountpercent'] . '% off'));
+            $totalline = new ReceiptLine("Total:", "", '$' . number_format($total, 2), ReceiptLine::LINEFORMAT_BOLD);
+        }
+        $receipt->appendLine($totalline);
+        $receipt->appendBreak();
+        $receipt->appendLines($paymentlines);
+        $receipt->appendBreak();
+        $receipt->appendLine($paidline);
+        $receipt->appendLine($changeline);
+
+        $output = "";
+        switch ($format) {
+            case "text":
+                $output = $receipt->getPlainText($width);
+                break;
+            case "json":
+                $output = $receipt->getJson($width);
+                break;
+            default:
+                $output = $receipt->getHtml("Tx. #$txid");
+        }
+        exit($output);
         break;
     case "itemsearch":
         header("Content-Type: application/json");
diff --git a/lib/receipts.php b/lib/receipts.php
new file mode 100644
index 0000000..1374054
--- /dev/null
+++ b/lib/receipts.php
@@ -0,0 +1,240 @@
+<?php
+
+/*
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+/**
+ * A single variable-width line on a receipt, with different formatting options
+ */
+class ReceiptLine {
+
+    const LINEFORMAT_PLAIN = 1;
+    const LINEFORMAT_BOLD = 2;
+    const LINEFORMAT_HR = 4;
+    const LINEFORMAT_CENTER = 8;
+
+    private $left = "";
+    private $middle = "";
+    private $right = "";
+    private $format;
+
+    function __construct($l = "", $m = "", $r = "", $f = ReceiptLine::LINEFORMAT_PLAIN) {
+        $this->left = $l;
+        $this->middle = $m;
+        $this->right = $r;
+        $this->format = $f;
+    }
+
+    function getLeft() {
+        return $this->left;
+    }
+
+    function getMiddle() {
+        return $this->middle;
+    }
+
+    function getRight() {
+        return $this->right;
+    }
+
+    function hasFormat($format) {
+        return ($this->format & $format);
+    }
+
+    function getHtml() {
+        if ($this->hasFormat($this::LINEFORMAT_HR)) {
+            return "<hr />";
+        }
+        $html = "";
+        if (!empty($this->left)) {
+            $html .= '<span>' . htmlspecialchars($this->left) . '&nbsp;</span>';
+        }
+        if (!empty($this->middle)) {
+            $html .= '<span>' . htmlspecialchars($this->middle) . '&nbsp;</span>';
+        }
+        if (!empty($this->right)) {
+            $html .= '<span>' . htmlspecialchars($this->right) . '</span>';
+        }
+        $classes = ["flex"];
+        if ($this->hasFormat($this::LINEFORMAT_BOLD)) {
+            $classes[] = "bold";
+        }
+        if ($this->hasFormat($this::LINEFORMAT_CENTER)) {
+            $classes[] = "centered";
+        }
+        $classstr = implode(" ", $classes);
+        return "<div class=\"$classstr\">$html</div>";
+    }
+
+    function getPlainText($width) {
+        if ($this->hasFormat($this::LINEFORMAT_HR)) {
+            return str_repeat("-", $width);
+        }
+        $left = $this->left;
+        $middle = $this->middle;
+        $right = $this->right;
+        $leftln = strlen($left);
+        $middleln = strlen($middle);
+        $rightln = strlen($right);
+        if ($middleln > 0) {
+            $middleln++;
+            $middle = " " . $middle;
+        }
+        if ($rightln > 0) {
+            $rightln++;
+            $right = " " . $right;
+        }
+        $strln = $leftln + $middleln + $rightln;
+        if ($strln < $width) {
+            if ($this->hasFormat($this::LINEFORMAT_CENTER)) {
+                return str_pad($left . $middle . $right, $width, " ", STR_PAD_BOTH);
+            } else {
+                $middle = str_pad($middle, $width - $leftln - $rightln, " ", STR_PAD_BOTH);
+            }
+        } else if ($strln > $width) {
+            $loseln = $strln - $width;
+            $left = substr($this->left, 0, $leftln - $loseln);
+        }
+        return $left . $middle . $right;
+    }
+
+    function getArray($width = 64) {
+        $data = [
+            "left" => $this->left,
+            "middle" => $this->middle,
+            "right" => $this->right,
+            "text" => $this->getPlainText($width),
+            "format" => []
+        ];
+        if ($this->hasFormat($this::LINEFORMAT_PLAIN)) {
+            $data['format'][] = "plain";
+        }
+        if ($this->hasFormat($this::LINEFORMAT_BOLD)) {
+            $data['format'][] = "bold";
+        }
+        if ($this->hasFormat($this::LINEFORMAT_HR)) {
+            $data['format'][] = "hr";
+        }
+        if ($this->hasFormat($this::LINEFORMAT_CENTER)) {
+            $data['format'][] = "center";
+        }
+        return $data;
+    }
+
+}
+
+class Receipt {
+
+    private $lines = [];
+    private $header = [];
+    private $footer = [];
+
+    function __construct() {
+
+    }
+
+    function appendLine(ReceiptLine $line) {
+        $this->lines[] = $line;
+    }
+
+    function appendLines($lines) {
+        foreach ($lines as $l) {
+            $this->lines[] = $l;
+        }
+    }
+
+    function appendHeader(ReceiptLine $line) {
+        $this->header[] = $line;
+    }
+
+    function appendFooter(ReceiptLine $line) {
+        $this->footer[] = $line;
+    }
+
+    function appendBreak() {
+        $this->lines[] = new ReceiptLine("", "", "", ReceiptLine::LINEFORMAT_HR);
+    }
+
+    function getHtml($title = "") {
+        global $SECURE_NONCE;
+        $html = <<<END
+<!DOCTYPE html>
+<meta charset="UTF-8">
+<meta name="viewport" content="width=device-width, initial-scale=1">
+<title>$title</title>
+<style nonce="$SECURE_NONCE">
+.flex {
+    display: flex;
+    justify-content: space-between;
+    margin: 0;
+}
+.bold {
+    font-weight: bold;
+}
+.centered {
+    justify-content: center;
+}
+</style>
+END;
+        if (count($this->header) > 0) {
+            foreach ($this->header as $line) {
+                $html .= $line->getHtml() . "\n";
+            }
+            $html .= (new ReceiptLine("", "", "", ReceiptLine::LINEFORMAT_HR))->getHtml();
+        }
+        foreach ($this->lines as $line) {
+            $html .= $line->getHtml() . "\n";
+        }
+        if (count($this->footer) > 0) {
+            $html .= (new ReceiptLine("", "", "", ReceiptLine::LINEFORMAT_HR))->getHtml();
+            foreach ($this->footer as $line) {
+                $html .= $line->getHtml() . "\n";
+            }
+        }
+        return $html;
+    }
+
+    function getPlainText($width) {
+        $lines = [];
+        if (count($this->header) > 0) {
+            foreach ($this->header as $line) {
+                $lines[] = $line->getPlainText($width);
+            }
+            $lines[] = (new ReceiptLine("", "", "", ReceiptLine::LINEFORMAT_HR))->getPlainText($width);
+        }
+        foreach ($this->lines as $line) {
+            $lines[] = $line->getPlainText($width);
+        }
+        if (count($this->footer) > 0) {
+            $lines[] = (new ReceiptLine("", "", "", ReceiptLine::LINEFORMAT_HR))->getPlainText($width);
+            foreach ($this->footer as $line) {
+                $lines[] = $line->getPlainText($width);
+            }
+        }
+        return implode("\n", $lines);
+    }
+
+    function getArray($width = 64) {
+        $header = [];
+        $lines = [];
+        $footer = [];
+        foreach ($this->header as $line) {
+            $header[] = $line->getArray($width);
+        }
+        foreach ($this->lines as $line) {
+            $lines[] = $line->getArray($width);
+        }
+        foreach ($this->footer as $line) {
+            $footer[] = $line->getArray($width);
+        }
+        return ["header" => $header, "lines" => $lines, "footer" => $footer];
+    }
+
+    function getJson($width = 64) {
+        return json_encode($this->getArray($width));
+    }
+
+}