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HTML · FORM CONTROL

HTML Fieldset — group related form controls (live demo)

Last reviewed

A <fieldset> groups related form controls together, and a <legend> inside it provides a caption for the group. It's the accessible way to label a set of radio buttons or checkboxes, and disabling a fieldset disables every control inside it at once.

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What gets submitted

Fill in the form above and press its button. The demo stops the request and lists every name=value pair the browser would send, plus the controls it leaves out.

With a free access key in the form, these fields land in your splitforms dashboard; access_key and botcheck are read by splitforms, not stored as lead data.

Copy-paste code

HTML Fieldset & Legend code you can paste today.

Replace YOUR_ACCESS_KEY with a key from your free splitforms dashboard. The form posts to one endpoint — submissions land in your inbox and dashboard with spam filtering built in.

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fieldset.html
<form action="https://splitforms.com/api/submit" method="POST">
  <input type="hidden" name="access_key" value="YOUR_ACCESS_KEY">

  <label for="name">Name</label>
  <input type="text" id="name" name="name" required>

  <fieldset>
    <legend>How should we contact you?</legend>
    <label><input type="radio" name="contact" value="email" checked> Email</label>
    <label><input type="radio" name="contact" value="phone"> Phone</label>
    <label><input type="radio" name="contact" value="sms"> SMS</label>
  </fieldset>

  <input type="checkbox" name="botcheck" style="display:none">
  <button type="submit">Send</button>
</form>

Attributes · <fieldset>

Which HTML Fieldset & Legend attributes matter?

These attributes decide how the <fieldset> behaves and what actually gets emailed to your inbox when someone submits.

HTML Fieldset & Legend attributes and what each one does
AttributeWhat it does
disabledBoolean. Disables every control inside the fieldset in one go (they're greyed out and not submitted).
formThe id of a <form> elsewhere on the page this fieldset belongs to.
nameA name for the group, used when scripting the form.
<legend>The first child of a fieldset provides its accessible caption — required for grouping radios/checkboxes.

Common mistakes

HTML Fieldset & Legend not working? Here's why.

Most broken forms come down to a few small mistakes with the <fieldset>. Check these before you ship, then forward every submission to Slack or a webhook.

  1. Legend must be first

    Only the first <legend> becomes the fieldset's accessible name, and it should be the first child. Extra legends are rendered but ignored by assistive tech.

  2. Use it to group choice groups

    A fieldset + legend is the correct, accessible way to caption a set of radio buttons or checkboxes — better than a plain heading.

  3. disabled cascades

    Setting disabled on the fieldset disables all nested controls. Useful for "same as billing" toggles, but remember none of those values are submitted.

Sources: WHATWG HTML Standard: <fieldset> · MDN: <fieldset>

Copy-paste ready

The HTML Fieldset & Legend example below is a complete, working form — paste it into any HTML page and it submits, no edits to the markup required.

No backend to build

Your html fieldset & legend form posts to one endpoint. No server, PHP, or API route — accepted submissions are saved to your dashboard before owner notification email is attempted; delivery time and inbox placement depend on provider and recipient settings.

A form that really submits

Unlike a static reference snippet, this <fieldset> form actually sends data to a free splitforms backend, with spam filtering built in.

How it works

How to add HTML Fieldset & Legend to any page.

Copy the html fieldset & legend example, drop in your free access key, and paste it into any page — submissions start landing in your dashboard.

Copy the code

Copy the HTML Fieldset & Legend example below.

Add your access key

Replace YOUR_ACCESS_KEY with a free splitforms key from the dashboard.

Paste into your site

Drop the form into any HTML page. Submissions arrive in your dashboard.

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How SplitForms works

What happens after someone submits your form?

splitforms receives the submission, filters spam, saves it to your dashboard and emails you — then, on paid plans, sends it on to your webhooks and integrations. No backend infrastructure to build.

A SplitForms contact form submission launching straight to your inbox

Add your endpoint

Point your form to your unique SplitForms endpoint. That's it.

HTML form pointing at a SplitForms submit endpoint

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Where can submissions go besides email?

On paid plans, submissions can also go to Slack, Discord, Google Sheets, Notion, Airtable, Zapier or any signed webhook — and splitforms works on the platforms you build on, from WordPress and Shopify to Next.js. With Stripe connected, your forms can take payments too.

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Setup guides for the stacks you use

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Questions

HTML Fieldset & Legend questions, answered.

View all FAQs
What is a fieldset in HTML?

A <fieldset> is an element that groups related form controls together. Paired with a <legend>, it gives the group an accessible caption — the standard way to label a set of radio buttons or checkboxes.

What does fieldset do?

It visually and semantically groups controls, lets you disable the whole group at once with the disabled attribute, and — with a <legend> — provides a screen-reader caption for grouped choices.

What is the legend tag used for?

<legend> is placed as the first child of a <fieldset> and acts as the caption for the group. For radio buttons like a choice of plan, the legend is what screen readers announce as the question.

How do I disable a group of inputs at once?

Wrap them in a <fieldset> and add the disabled attribute: <fieldset disabled>. Every control inside is disabled and excluded from the submission, without disabling them one by one.

Is fieldset required for radio buttons?

Not strictly required, but strongly recommended. A fieldset + legend is the accessible way to give a radio group its question label, so screen-reader users understand what they're choosing.

Simple pricing

How much does splitforms cost?

Free gives you 500 submissions for $0 — no card, no time limit. Pro is $5/month for 5,000 submissions a month, and Annual is $49/year for 15,000 a month with every Pro feature.

Free

$0— 500 submissions
 

No card, no time limit

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For side projects and indie devs.

  • 500 free submissions
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  • Email notifications included
  • Smart spam filtering
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  • Redirect after submit
  • MCP server included
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Pro

$5/ month
Billed monthly

Every paid feature, for agencies and growing products.

  • 5,000 submissions / mo
  • Unlimited forms
  • Webhooks and integrations
  • CC/BCC, auto-replies and routing
  • File uploads with 500 MB storage
  • Stripe payments on your forms
  • 3 team seats
  • Cancel anytime

Annual

$49/ year
About $4.08/mo, billed yearly
Best value

Every Pro feature with triple the volume — $0.27 per 1,000 at full use.

  • 15,000 submissions / mo
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  • Everything in Pro
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