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Sobi Forms is a lightweight contact form plugin built for speed and simplicity. Create multiple forms, embed them anywhere with a shortcode or Gutenberg block, and keep your front-end lean.
Learn more on the official site: <a href="https://sobiforms.com" rel="nofollow ugc">sobiforms.com</a> — features, FAQ, and the <a href="https://sobiforms.com/roadmap/" rel="nofollow ugc">public roadmap</a>.
Performance-first front-end
<ul>
<li>Vanilla JavaScript on the front-end</li>
<li>~3.7 KB CSS + JS combined (gzipped transfer; ~13.3 KB unminified source on form pages)</li>
<li>Assets enqueue only when a form is rendered on the page – zero impact on other pages</li>
<li>Script loaded in the footer with <code>defer</code> strategy (WordPress 6.3+)</li>
<li>No global front-end CSS frameworks</li>
</ul>
Form builder (admin only)
<ul>
<li>Redesigned editor for more comfort — form canvas on the left, settings sidebar on the right; save without a full page reload</li>
<li>Lucide icons in the admin builder and submissions inbox (modern, consistent UI)</li>
<li>Document-first drag-and-drop editor (React via WordPress <code>wp-element</code>, loaded only on the form edit screen)</li>
<li>Field types: text, email, link (URL), textarea, phone, number, select, multiple choice (radio tiles), multi-option checkbox, file upload; layout blocks: title (section heading), paragraph (instructions)</li>
<li>URL prefill: optional per-field URL parameter to pre-populate scalar fields from query strings (client-side; cache-friendly)</li>
<li>Hidden fields: compact sidebar table to pass invisible data (URL params and/or static defaults); invisible on the front; always submitted; visible in inbox</li>
<li>File upload: one file per field; admin picks allowed types by category (Application, Image, Text) or individual extensions; private storage under <code>uploads/sobiforms/</code>; download from the Submissions inbox (admin only). Save to database is required when a form includes a file field</li>
<li>Field settings: number min/max; text min/max characters; show/hide label; textarea resize and max length; file max size (default 5 MB, capped by server)</li>
<li>Radio and multi-checkbox options edited inline in the builder (add option, remove on hover); dropdown options in the field menu</li>
<li>Multiple recipient emails per form</li>
<li>After submit: inline success message or redirect to a published page</li>
<li>Availability: pause a form, auto-close at a date/time, or after a set number of submissions, with a visitor message when closed</li>
</ul>
Embedding
<ul>
<li>Shortcode: <code>[sobiforms id="3"]</code> or <code>[sobiforms slug="contact"]</code> (ID or slug required; slug is fixed after creation)</li>
<li>Gutenberg block: Sobi Forms Contact with form picker</li>
<li>Works with any page builder that supports shortcodes or blocks</li>
</ul>
Submissions
<ul>
<li>Email notifications via <code>wp_mail()</code> (HTML)</li>
<li>Optional visitor confirmation email — simple thank-you receipt to the submitter (per form, Notifications sidebar)</li>
<li>Per-form delivery — email notifications and/or database storage (new forms default to inbox storage)</li>
<li>Inbox with read/unread, starred, spam queue, admin notes, search and filters; split list + detail layout with resizable columns; All / Unread / Starred view tabs and per-form filter in the list header</li>
<li>Submission source page — frozen page title and pathname at submit time in the detail sidebar (no query string; use hidden fields for UTM/campaign params)</li>
<li>Dashboard widget on the WordPress admin home — recent unread submissions at a glance</li>
<li>Optional Akismet spam filtering (when the Akismet plugin is active)</li>
<li>Honeypot, nonce verification, rate limiting (5 submissions/hour per hashed IP)</li>
</ul>
Security
<ul>
<li>Nonce on every submission</li>
<li>Honeypot field</li>
<li>Server-side field validation against a strict JSON schema</li>
<li>Capability checks and nonces on all admin actions</li>
<li>Optional Akismet integration — spam submissions quarantined when the Akismet plugin is active</li>
<li>File uploads — server-side MIME validation; upload directory hardened on Apache (direct HTTP access denied); admin-only download with path verification</li>
</ul>
<h3>Privacy Policy</h3>
Sobi Forms processes data submitted through your forms. Per form you choose how submissions are delivered:
<ul>
<li>Email notifications – when enabled and recipient addresses are set, field values are sent via <code>wp_mail()</code>.</li>
<li>Visitor confirmation – when Visitor email confirmation is enabled, the submitter may receive a simple thank-you at the address from the selected email field (no submitted field values in that email).</li>
<li>Database storage – when Save to database is enabled (default for new forms in the builder), submissions are saved in custom tables on your site (<code>wp_sobiforms_submissions</code>, <code>wp_sobiforms_forms</code>). Each form has its own retention setting (auto-delete after N days). You can use inbox-only delivery with no email.</li>
<li>Hashed IP – when storage is enabled, a one-way SHA-256 hash of the visitor IP is stored with each submission for abuse prevention. Raw IP addresses are not stored.</li>
<li>Rate limiting – a transient keyed by hashed IP limits submissions to 5 per hour. Transients expire automatically.</li>
<li>Admin notes – internal notes on submissions are stored in your database and never shown on the front-end or included in emails.</li>
<li>No tracking – Sobi Forms does not connect to third-party analytics or advertising when processing form submissions.</li>
<li>Optional Akismet – if you enable Akismet spam filtering and the Akismet plugin is active, submission content may be sent to Akismet’s service for spam checks.</li>
<li>No data sent to the plugin author – form submissions stay on your server and mail server. The Feedback settings tab links to the WordPress.org support forum and <a href="https://sobiforms.com/roadmap/" rel="nofollow ugc">sobiforms.com/roadmap</a> only if you choose to open them.</li>
</ul>
Site owners are responsible for their privacy policy and lawful basis for collecting visitor data.
<h3>Licenses for Third-Party Resources</h3>
This plugin bundled resources covered by their own respective licenses: 
* Lucide Icons – https://lucide.dev 
 License: ISC (https://lucide.dev/license) 
 Copyright (c) Lucide Contributors

Sobi Forms

Lightweight form builder with inbox, shortcode, Gutenberg block, and vanilla AJAX.

Syed Balkhi

Jared Atchison

Slava Abakumov

Sanjeev Aryal

kkarpieszuk

kaggdesign

WPForms

<h3>WordPress File Upload Types Plugin</h3>
Do you want to let your WordPress website accept uploads from your users for more file types and to freely upload files? We created the File Upload Types plugin to make it simple for anyone to easily add support for any file types with any extension or MIME type.
<h4>How WordPress File Uploads Work</h4>
By default, WordPress only allows <a href="https://codex.wordpress.org/Uploading_Files#About_Uploading_Files_on_Dashboard" rel="nofollow ugc">certain file types</a> to be uploaded to your website’s media library.
If someone tries to upload a file type outside of these whitelisted WordPress file extensions, this can be the cause of the <a href="https://www.wpbeginner.com/common-wordpress-errors-and-how-to-fix-them/?utm_source=wprepo&utm_medium=link&utm_campaign=fileuploadtyes&utm_content=readme" title="common WordPress error" rel="friend nofollow ugc">common WordPress error</a> <code>Sorry, this file type is not permitted for security reasons</code> message.
It can be frustrating if you’ve <a href="https://wpforms.com/how-to-create-a-file-upload-form-in-wordpress/?utm_source=wprepo&utm_medium=link&utm_campaign=fileuploadtypes&utm_content=readme" rel="friend" title="
created a file upload form">created a file upload form</a> in WordPress but the file type you want to accept is a file extension that’s not allowed.
This plugin lets your website upload more file types beyond the limited file extension types that WordPress allows by default.
<h4>How does the File Upload Types plugin work?</h4>
The File Upload Types plugin works by letting you adjust the internal file whitelist, letting you manually control which types of file extensions your WordPress website can upload.
This way, you can accept any file type through your website and/or any contact form plugin like <a href="https://www.wpforms.com/?utm_source=wprepo&utm_medium=link&utm_campaign=fileuploadtypes&utm_content=readme" title="WPForms" rel="friend nofollow ugc">WPForms</a>.
<h4>What file types can I upload to WordPress with this plugin?</h4>
The File Upload Types plugin lets you allow uploads of any file extension, including custom file types.
Some common file extension types this plugin lets you add that WordPress doesn’t support natively include:
.ai 
.zip 
.xml 
.svg 
.csv 
.mobi 
.cad 
.dwg 
.dxf
…and any other file extensions that exist, including custom file types.
We hope that you find the File Upload Types plugin helpful!
<h3>Credits</h3>
This plugin was created by the team behind <a href="https://wpforms.com/?utm_source=wprepo&utm_medium=link&utm_campaign=fileuploadtyes&utm_content=readme" rel="friend nofollow ugc">WPForms</a> – the best drag & drop form builder for WordPress.
<h3>What’s Next</h3>
If you like this plugin, then consider checking out our other projects:
<ul>
<li><a href="https://wpforms.com/?utm_source=wprepo&utm_medium=link&utm_campaign=fileuploadtyes&utm_content=readme" title="OptinMonster" rel="friend nofollow ugc">WPForms</a> – The best WordPress Contact Form Plugin.</li>
<li><a href="https://optinmonster.com/?utm_source=wprepo&utm_medium=link&utm_campaign=fileuploadtyes&utm_content=readme" title="OptinMonster" rel="friend nofollow ugc">OptinMonster</a> – Get more email subscribers with the most popular conversion optimization plugin for WordPress.</li>
<li><a href="https://www.monsterinsights.com/?utm_source=wprepo&utm_medium=link&utm_campaign=fileuploadtyes&utm_content=readme" title="MonsterInsights" rel="friend nofollow ugc">MonsterInsights</a> – See the stats that matter and grow your business with confidence. Best Google Analytics plugin for WordPress.</li>
<li><a href="https://www.seedprod.com/?utm_source=wprepo&utm_medium=link&utm_campaign=fileuploadtyes&utm_content=readme" title="SeedProd" rel="friend nofollow ugc">SeedProd</a> – Jumpstart your website with the #1 Coming Soon & Maintenance Mode plugin for WordPress.</li>
<li><a href="https://wpmailsmtp.com/?utm_source=wprepo&utm_medium=link&utm_campaign=fileuploadtyes&utm_content=readme" rel="nofollow ugc">WP Mail SMTP</a> – Improve email deliverability for your contact form with the most popular SMTP plugin for WordPress.</li>
<li><a href="https://rafflepress.com/?utm_source=wprepo&utm_medium=link&utm_campaign=fileuploadtyes&utm_content=readme" rel="nofollow ugc">RafflePress</a> – The Best WordPress giveaway and contest plugin.</li>
</ul>
Visit <a href="http://www.wpbeginner.com/?utm_source=wprepo&utm_medium=link&utm_campaign=fileuploadtyes&utm_content=readme" title="WPBeginner" rel="friend nofollow ugc">WPBeginner</a> to learn from our <a href="http://www.wpbeginner.com/category/wp-tutorials/?utm_source=wprepo&utm_medium=link&utm_campaign=fileuploadtyes&utm_content=readme" title="WordPress Tutorials" rel="friend nofollow ugc">WordPress tutorials</a> and find out about other <a href="http://www.wpbeginner.com/category/plugins/?utm_source=wprepo&utm_medium=link&utm_campaign=fileuploadtyes&utm_content=readme" title="Best WordPress plugins" rel="friend nofollow ugc">best WordPress plugins</a>.

File Upload Types by WPForms

I got it to allow ePub uploads easy. I just had to get the mine type right, which I bet can sometimes be a bit tricky and texhnical. But the plugin dies it’s best to make that as simple as possible.

Thanks!

Worked great

Easily allow WordPress to accept and upload any file type extension or MIME type, including custom file types.

Sobi Forms vs File Upload Types by WPForms