Extract Forms from HTML

Paste raw HTML or upload a file to extract forms from HTML. This form analyzer detects each form, maps field labels, groups radio and checkbox inputs, and produces a readable report, structured JSON, and an HTML export.

⚙️ Input options
Form Analyzer

Extract every <form> block, field definition, validation rule, and inferred form purpose from raw HTML.

Robust against incomplete or poorly structured markup.

No analysis yet. Paste HTML and click Analyze forms.
Structured output of all extracted forms and fields.

Preview of the downloadable standalone HTML report.

Raw HTML of all extracted <form> elements.

⭐ About the Extract Forms from HTML Tool

The Extract Forms from HTML tool scans raw HTML and extracts every <form> with complete field metadata. You get a readable analysis, structured JSON output, and a downloadable standalone HTML report.

🔎 What this form analyzer extracts

  • Form metadata: id, generated identifier, name, action, method, enctype, autocomplete
  • All input controls: text, email, password, number, hidden, file, submit, reset, button, and more
  • Textarea fields and select fields with options
  • Checkbox and radio groups clustered by field name
  • Validation attributes like required, min, max, minlength, maxlength, pattern, and step
  • Label mapping via for attribute, nested labels, and context fallback

⚙️ How to use Extract Forms from HTML

  1. Paste HTML into the input box or upload an HTML file.
  2. Click Analyze forms.
  3. Review results in Readable View for human-friendly tables and grouped sections.
  4. Open the JSON tab for structured output and copy/export it.
  5. Open the HTML Report tab to preview a standalone report and download it.

🧠 Purpose summary heuristic

For each detected form, the tool creates a purpose summary using field names, labels, action URLs, and contextual keywords. Typical inferred purposes include login, registration, search, contact, upload, payment, and newsletter forms.

📝 Example output insights

  • Generated identifiers for unnamed forms such as form_1, form_2
  • Grouped radio options with checked state
  • Checkbox groups with value/label mapping
  • Default values and autocomplete hints for each field

⚠️ Edge case handling

  • Handles malformed or incomplete HTML using tolerant browser parsing
  • Shows a clear warning when no forms are found
  • Works with forms missing id and name by generating unique identifiers
  • Safely handles missing labels, placeholders, and optional attributes

✅ Privacy and performance

All analysis runs directly in your browser. Your HTML is never uploaded to a server, making this Extract Forms from HTML tool private and fast for technical audits, QA, and reverse-engineering workflows.

This tool is also known as

  • extract forms from html
  • html form analyzer online
  • get input fields from source code
  • form extractor from webpage html
  • analyze html forms and labels

Frequently Asked Questions

It scans raw HTML and extracts all form elements, including form metadata, field attributes, labels, validation rules, grouped options, and purpose summaries.

Yes. You can paste HTML directly into the textarea and click Analyze forms. Upload is optional.

The tool shows a clear warning message in the Readable View and produces an empty forms array in JSON output.

Yes. The analyzer uses tolerant browser parsing and can still detect many forms and fields in imperfect markup.

The tool generates unique identifiers such as form_1, form_2, and uses those in the output reports.

Yes. Select fields include all options with selected/disabled states, and textarea fields are extracted with labels and metadata.

Yes. Radio and checkbox inputs are grouped by name so you can review option sets and checked states quickly.

The tool extracts required, min, max, minlength, maxlength, pattern, step, accept, and multiple when present.

Yes. You can copy JSON from the JSON tab and download it with the Download JSON button.

Yes. You can download a standalone HTML report and a TXT summary with one click.

No. All processing is done locally in your browser for privacy and speed.

It is useful for developers, QA engineers, SEO specialists, and analysts who audit form structures and metadata.