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Upload: Multiple Files and Stated Limits (HTML)

Multi-file controls with the limits an application would enforce on the server stated in help text and data attributes. HTML has no size or count constraint, so this file is the reference case for a validator that has to apply those rules itself.

Preview — first 32 lineshtml
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Upload with multiple files and stated limits - Novus Examples</title>
<meta name="description" content="Multi-file pickers whose size and count limits are stated but not enforceable in HTML. SAMPLE test data only.">
<style>:root{--bg:#f6f7f9;--card:#fff;--fg:#1a1d23;--muted:#5b6472;--border:#d9dee6;--accent:#0f9d6b;--accent-d:#0c7f56;--err:#d33;--radius:10px}*{box-sizing:border-box}body{margin:0;font:16px/1.5 system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;background:var(--bg);color:var(--fg);padding:2rem 1rem}.wrap{max-width:640px;margin:0 auto}.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:1.75rem;box-shadow:0 1px 3px rgba(0,0,0,.05)}h1{margin:0 0 .25rem;font-size:1.55rem}.lead{margin:0 0 1.5rem;color:var(--muted)}form{display:grid;gap:1.1rem}.field{display:grid;gap:.35rem}label{font-weight:600;font-size:.92rem}.req{color:var(--err)}.hint{font-size:.8rem;color:var(--muted)}input,select,textarea{font:inherit;color:inherit;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:.6rem .7rem;width:100%}input:focus,select:focus,textarea:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:var(--accent)}textarea{resize:vertical;min-height:110px}input[type=range]{padding:0}input[type=color]{height:44px;padding:.25rem}input[type=file]{padding:.45rem}.group{display:grid;gap:.45rem}.opt{display:flex;align-items:center;gap:.55rem;font-weight:400}.opt input{width:auto}.inline{display:flex;flex-wrap:wrap;gap:1rem}fieldset{border:1px solid var(--border);border-radius:12px;padding:1rem;margin:0}legend{font-weight:600;padding:0 .4rem}.hp{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}button{font:inherit;font-weight:700;cursor:pointer;border:0;border-radius:var(--radius);padding:.7rem 1.3rem}.btn{background:var(--accent);color:#fff}.btn:hover{background:var(--accent-d)}.btn-ghost{background:transparent;color:var(--muted);border:1px solid var(--border)}.actions{display:flex;gap:.6rem;flex-wrap:wrap;margin-top:.3rem}.ok{display:none;background:#e7f7ef;border:1px solid #b6e6cf;color:#0c7f56;border-radius:var(--radius);padding:.7rem .9rem;font-size:.9rem}.foot{margin-top:1.25rem;font-size:.78rem;color:var(--muted);text-align:center}@media(max-width:480px){body{padding:1rem .5rem}.card{padding:1.25rem}}.grid2{display:grid;gap:1.1rem;grid-template-columns:1fr}@media(min-width:560px){.grid2{grid-template-columns:1fr 1fr}}.note{font-size:.82rem;color:var(--muted);border-left:3px solid var(--border);padding:.15rem 0 .15rem .7rem;margin:.2rem 0}.steps{display:flex;gap:.4rem;flex-wrap:wrap;list-style:none;padding:0;margin:0 0 1.1rem;font-size:.8rem}.steps li{border:1px solid var(--border);border-radius:999px;padding:.2rem .7rem;color:var(--muted)}.steps li[aria-current=step]{border-color:var(--accent);color:var(--accent-d);font-weight:700}.vh{position:absolute!important;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}table.matrix{width:100%;border-collapse:collapse;font-size:.85rem}table.matrix th,table.matrix td{border:1px solid var(--border);padding:.4rem .5rem;text-align:left}table.matrix th{background:#eef1f5;font-weight:600}[data-branch]{display:none}[data-branch].on{display:grid}input:read-only,textarea:read-only{background:#f1f3f6;color:var(--muted)}input:disabled,select:disabled,textarea:disabled{background:#eceff3;color:#9aa3af}</style>
</head>
<body>
<main class="wrap"><div class="card">
<h1>Multiple files and stated limits</h1>
<p class="lead">Multi-file pickers whose size and count limits are stated but not enforceable in HTML. SAMPLE test data only.</p>
<form method="post" action="#" enctype="multipart/form-data" novalidate>
<div class="hp" aria-hidden="true"><label>Leave this field empty<input type="text" name="website" tabindex="-1" autocomplete="off"></label></div>
<div class="field"><label for="f-batch">Evidence files</label><input id="f-batch" type="file" name="batch" multiple accept=".png,.jpg,.pdf" data-max-files="10" data-max-bytes="5242880"><span class="hint">Up to 10 files, 5 MiB each. Neither limit is expressible in HTML - the data attributes carry them for the application to apply.</span></div>
<div class="field"><label for="f-single-large">Single large file</label><input id="f-single-large" type="file" name="single_large" accept=".zip" data-max-bytes="52428800"><span class="hint">One archive, up to 50 MiB.</span></div>
<div class="field"><label for="f-directory">Whole folder</label><input id="f-directory" type="file" name="directory" multiple webkitdirectory><span class="hint">Directory selection is a non-standard attribute supported by most browsers.</span></div>
<fieldset><legend>Batch metadata</legend>
<div class="field"><label for="f-batch_ref">Batch reference</label><input id="f-batch_ref" type="text" name="batch_ref" value="BATCH-SAMPLE-3"></div>
<div class="field"><label for="f-expected_count">Files you expect to send</label><input id="f-expected_count" type="number" name="expected_count" min="1" max="10" step="1" value="4"></div>
</fieldset>
<p class="hint" data-locked="notice">SAMPLE test data only - nothing is submitted, uploaded, or stored.</p>
<div class="ok" role="status">Filenames were listed locally - nothing was uploaded.</div>
<div class="actions"><button type="submit" class="btn">List the batch</button></div>
</form>
<p class="foot">Free example form from Novus Examples · works offline, no data leaves your browser.</p>
</div></main>
<script>document.querySelectorAll('form').forEach(function(f){f.addEventListener('submit',function(e){e.preventDefault();var hp=f.querySelector('.hp input');if(hp&&hp.value){return;}if(!f.checkValidity()){f.reportValidity();return;}var ok=f.querySelector('.ok');if(ok){ok.style.display='block';ok.scrollIntoView({block:'nearest'});}f.reset();});});</script>
</body>
</html>

Specifications

Fields
5
Use Case
file-upload
Validation
HTML5 native
Honeypot
true
Standalone
true
Dependencies
none
File Controls
3
Multiple
true
Enforced By Html
false

What is a .html file?

HTML (HyperText Markup Language) is the structural markup language of the web, using nested tags to define document content, semantics, and links. It is typically paired with CSS for presentation and JavaScript for behavior. It is the foundational format rendered by browsers.

How to use this file

Use an example HTML file to test parsers, DOM construction, sanitization of untrusted markup, and rendering or scraping pipelines.

How to use this file for testing

“Upload: Multiple Files and Stated Limits (HTML)” is a deterministic Novus Examples fixture for Form testing, Form parsing, Autofill testing, HTML parsing. HTML and PDF form files for testing scrapers, autofill, validators, and PDF form fillers across real-life use cases.

Documented properties for this file: 5 fields. Compare results against paired or grouped companions on this page when present (clean↔damaged, searchable↔scanned, or format twins) so scores stay reproducible across runs.

Download the file once, keep the path stable in CI or local scripts, and treat the spec table as the contract: dimensions, seeds, field lists, and roles are intentional. Corrupt or invalid samples are labelled as such — expect parsers to fail loudly rather than silently accept them.

This form is fictional SAMPLE content for tooling tests (autofill, scrapers, PDF fillers). It is not an official government, bank, or clinic form. Open the HTML offline or fill the PDF in any viewer; the demo submit path never stores data.

Embed this form

It's a single self-contained HTML file (inlined CSS, native validation, no external requests). Download it, host it on your own site, and drop it into any page with an iframe.

iframe embed
<!-- Download upload-multiple-and-limits.html, host it on your site, then embed the form anywhere: -->
<iframe
  src="/path/to/upload-multiple-and-limits.html"
  title="Upload: Multiple Files and Stated Limits (HTML)"
  width="100%"
  height="640"
  loading="lazy"
  style="border:0">
</iframe>

Generated by generation/forms_p7.py. Free for any use, no attribution required — license.