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JSON Form Filler

ExtensionDeveloper Tools2 users
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Item media 1 (screenshot) for JSON Form Filler
Item media 1 (screenshot) for JSON Form Filler
Item media 2 (screenshot) for JSON Form Filler
Item media 3 (screenshot) for JSON Form Filler

Overview

Fill web forms from a JSON in the clipboard and generate JSON templates of the fields on any page.

JSON Form Filler fills web forms in one click from a JSON document in your clipboard — ideal for testing, demos, QA and repetitive data entry. FEATURES • Fill from clipboard: copy a JSON, open the page, click "Fill from clipboard". • Instant check: as soon as you open the popup it tells you how many forms are in the clipboard and how many of them can be filled in the current page. • Create page template: scans the current page and copies a ready-to-fill JSON with every form and field, empty values included. • Many forms in one JSON: keep login, sign-up, checkout… for many pages and sites in a single document. Each entry has a "domain" (and optional "path"), so only the right forms are filled on the right site. • Simple selectors: "#id", "//xpath" or the field name. • Supports text fields, dates, selects (by value or visible text), multiple selects, checkboxes, radio groups, textareas and contenteditable elements. • Works with React, Vue and Angular (real input/change events are fired). • Clear report: filled fields, fields not found, errors. • Merge mode: add the template of each new page to the collection already in the clipboard. • English and Italian interface. EXAMPLE { "forms": [ { "domain": "example.com", "form": "#login", "fields": { "#user": "john.doe", "password": "secret", "remember": true } } ] } PRIVACY No data collection, no network requests, no tracking. The extension runs only on the active tab, only when you click a button.

Details

  • Version
    1.0.0
  • Updated
    November 7, 2026
  • Size
    32.07KiB
  • Languages
    2 languages
  • Developer
    Mida4 s.r.l.
    Via del Boveto, 15 Trieste, TS 34136 IT
    Website
    Email
    info@mida4.it
    Phone
    +39 335 678 2277
  • Trader
    This developer has identified itself as a trader per the definition from the European Union and committed to only offer products or services that comply with EU laws.
  • D-U-N-S
    442709291

Privacy

Manage extensions and learn how they're being used in your organization
The developer has disclosed that it will not collect or use your data.

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes
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