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Omusubi

Omusubi

By foryou, inc.
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Description

Omusubi is a powerful WordPress form plugin with a visual builder right in the admin screen.

With just clicks and drag-and-drop, you can build the variety of forms a business actually needs: contact forms, lead capture forms, surveys, prize entries, recruitment applications and more. Submissions are managed from a tabular view in the admin and can be exported as CSV. Slack notifications, Google Sheets integration, reCAPTCHA, time-limited acceptance windows — everything you need for day-to-day operation is bundled in a single plugin.

Key features

Form building

  • Drag-and-drop visual builder — 15+ field types (text, email, phone, postal code, textarea, select, radio, checkbox, number, date, time, URL, file, heading, separator, hidden)
  • 12 templates — contact / lead capture / survey / event signup / recruitment / reservation / prize entry / quote request / free consultation / trial lesson / product order / press inquiry
  • 2-column layout — place two fields on the same row
  • Conditional display — show/hide fields based on the value of other fields
  • Shortcode support — paste [omusubi id="1"] into any post or page

Notifications & integrations

  • Admin notification + auto-reply emails — customizable subject and body
  • Slack notification — push submissions to a specified channel in real time via Incoming Webhooks (v1.1)
  • Google Sheets integration — append each submission as a new row via Apps Script Web App, just like Google Forms (v1.1)
  • SMTP support — reliable delivery via Gmail / SendGrid / any SMTP server
  • Google reCAPTCHA v2 / v3 — spam protection built in, with score thresholds adjustable from the admin

Operation

  • Tabular submission management — status workflow (Unread / Read / Replied / Archived), CSV download (opt-in, disabled by default)
  • Time-limited acceptance — for campaigns like prize giveaways, reject submissions outside a configured window
  • Auto-generated preview page — verify the actual layout before publishing
  • Privacy policy consent — custom text, URL link, or inline body accordion

Japanese form optimizations

  • Half-width input enforcement — automatically convert full-width to half-width on email, phone and postal-code fields
  • Postal-code address autofill — enter a 7-digit postal code and click to populate the address (uses the Zipcloud API; see „External services” below)
  • Full Japanese support — UI, templates, and error messages all available in Japanese via the bundled omusubi-ja.mo

Design customization

  • Design tokens — 9 structured tokens for radius / field style / label position / button shape / spacing / font / required marker etc. (v1.2)
  • Theme color picker — 8 presets plus a freeform color picker
  • omusubi_form_inline_css filter — extend CSS dynamically from your theme or a site-specific plugin (developer-oriented)

Simple workflow

  1. Click „Create new form” from the Omusubi menu
  2. Pick a template or start from blank
  3. Drag and drop fields into place
  4. Configure mail notifications and design
  5. Save, copy the shortcode, and paste it into any page

Browser support

All modern browsers (latest Chrome, Firefox, Safari, Edge). Internet Explorer is not supported.

Screenshots

  • Form list — drag to reorder, copy the shortcode in one click
  • Visual builder — drag-and-drop field placement with a detail panel on the right
  • Submission list — tabular view with status workflow and CSV download

Installation

Automatic install

  1. In the WordPress admin, open Plugins Add New
  2. Search for „Omusubi”
  3. Click Install Now, then Activate

Manual install

  1. Download the plugin zip
  2. In the admin, open Plugins Add New Upload Plugin and select the zip
  3. Click Install Now, then Activate Plugin

After activation

An Omusubi menu appears in the left sidebar. From there, create your first form.

FAQ

How do I display a form on a page?

Each row in the form list shows a shortcode like [omusubi id="1"]. Copy it and paste it into a page, post, or the Block Editor’s „Shortcode” block.

Where are forms stored?

Form definitions are stored in the {prefix}omusubi_forms table and submissions in {prefix}omusubi_submissions (where {prefix} is your site’s table prefix, typically wp_).

My auto-reply emails are not being delivered

  1. Make sure the form contains an email type field
  2. In the Mail Settings tab, verify „Send auto-reply to submitter” is enabled
  3. WordPress’s wp_mail() must be working. Depending on your server, also consider using an SMTP plugin (e.g. WP Mail SMTP)

How does postal-code lookup work?

Pressing the „Look up address” button next to a postal-code field sends the 7-digit postal code to the third-party Zipcloud API from the browser and receives the matching address. See the „External services” section for details. This feature only activates when a „Target address field” has been configured in the form editor.

Can I make a limited-time entry form?

Yes. In the Mail Settings tab, the „Acceptance period” section lets you set a start and end date/time. Outside that window, the form is hidden and a notice message is shown instead. Validation also runs on the server side, so direct submissions that bypass the frontend JS are blocked too.

What happens to my data if I uninstall the plugin?

By default, uninstalling Omusubi drops the database tables, options, and the preview page. To keep the data, set the option omusubi_keep_data_on_uninstall to 1 before deleting the plugin (e.g. wp option update omusubi_keep_data_on_uninstall 1 via WP-CLI).

How does the plugin handle spam?

Out of the box, Omusubi uses WordPress nonces and required-field validation. To better protect against automated submissions, enable the bundled reCAPTCHA integration or use the time-limited acceptance window to narrow the entry window.

Is Omusubi translatable?

Yes. The plugin’s source strings are in English, and a Japanese translation (omusubi-ja.mo) is bundled. Translations for other locales can be contributed via translate.wordpress.org.

Reviews

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Contributors & Developers

“Omusubi” is open source software. The following people have contributed to this plugin.

Contributors

Translate “Omusubi” into your language.

Interested in development?

Browse the code, check out the SVN repository, or subscribe to the development log by RSS.

Changelog

1.2.5

  • All translatable source strings switched from Japanese to English to follow WordPress.org translation conventions. Japanese display is provided via the bundled omusubi-ja.mo translation file.
  • Plugin description and readme converted to English.

1.2.4

  • Confirmed compatibility with WordPress 7.0.

1.2.3

  • Added an „Official Site” link to the plugin row on the Plugins admin page (https://omusubi.uuuu.to/).
  • Also added an „Official Site” link to the license-purchase banner.
  • Moved the „Create new form” button on the form-list page to right below the license banner, left-aligned (better flow).

1.2.2

  • Added a „Buy License” link to the plugin row on the Plugins admin page.
  • Show a license-purchase notice banner at the top of Omusubi admin screens (Omusubi-related screens only, dismissible per user, re-shown after 30 days).
  • Selecting „Already purchased” hides the banner permanently (honor-system shareware model).
  • No functional changes — display only.

1.2.1

  • Updated plugin metadata — Author changed to „foryou, inc.” and Plugin URI to https://omusubi.uuuu.to/.
  • Refreshed the description to clearly position Omusubi as a mail form plugin and reorganized the feature list to include Slack notification / Google Sheets integration / design tokens (new in v1.2).

1.2.0

  • Reworked the Design tab — 9 structured tokens (radius, field style, label position, button shape, spacing, font, required marker, icon visibility) for visual customization.
  • All token values are whitelisted (no arbitrary CSS / JS / PHP is stored — fully compliant with WordPress.org review guidelines).
  • CSS variables + data attributes (e.g. data-field-style) are emitted via wp_add_inline_style (form-scoped).
  • Public omusubi_form_inline_css filter — themes and site-specific plugins can extend CSS dynamically (developer extension point).
  • Existing theme-color switching continues to work as before.

1.1.1

  • Removed the per-form Custom CSS field (to comply with WordPress.org plugin review guidelines).
  • Cleaned up the associated admin UI, JavaScript and frontend wp_add_inline_style output, and removed the custom_css field from the settings save path.

1.1.0

  • Added Slack notification — push submissions to a specified channel via Slack Incoming Webhooks.
  • Added Google Sheets integration — append submissions row-by-row through a Google Apps Script Web App (Google Forms-equivalent operation).
  • Webhook URLs are validated against a host-name whitelist (checked both on save and on send).
  • Both integrations can be toggled per form (disabled by default).

1.0.0

  • Initial release.
  • Visual form builder (15+ field types).
  • 12 form templates.
  • Admin notification and auto-reply mail.
  • Tabular submission management with CSV export (opt-in, disabled by default).
  • Time-limited acceptance (for prize-entry campaigns and similar).
  • Postal-code address autofill (Zipcloud API integration).
  • Half-width input enforcement (email / phone / postal code).
  • 2-column layout.
  • Conditional display.
  • Auto-generated preview page.
  • Privacy policy URL / inline accordion display.
  • Google reCAPTCHA v2 / v3 integration (toggled in global settings).
  • Theme color switching (preset + color picker).
  • Local bundling of Font Awesome Free 6.5.1 (no external CDN).
  • Multisite-aware uninstall.

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