by Kevin Stover 4.4 (1,397 reviews)

Ninja Forms - Contact Form Builder with Calculators, Quizzes, Signatures & AI Form Builder

Name: Ninja Forms - Contact Form Builder with Calculators, Quizzes, Signatures & AI Form Builder
Rating: 4.4 (1397 reviews)
Author: Kevin Stover

Free WordPress form builder with calculations, signatures, star ratings, unlimited submissions stored on your site, and an AI form builder.

Ninja Forms ranks #114 among WordPress.org plugins with 500,000+ active installations, is #11 of 3,634 in the Communication category, a 4.4/5 rating from 1,397 reviews, and was last updated Oct 26, 2026. Data from WordPress.org, refreshed twice daily — see methodology.

Compatible with WP 7.1

v3.15.7 Current Version v3.15.7

Updated 6 days ago Last Update on 26 Oct, 2026

Refreshed 2 days ago Last Refreshed on

#11 of 3,634 in Communication Top 1% by installs Downloads +248% this week Actively maintained

View on WordPress.org

Rank

#114

— No change

Active Installs

500K+

-16.7%

KW Avg Position

— No change

Downloads

59M

+1,729 today

Support Resolved

60%

— No change

Rating

88%

Review 4.4 out of 5

4.4 (1,397 reviews)

Next Milestone 600K

Total Progress 82.4%

500K+ 600K+

Ranks to Climb

Growth Needed

8,000,000

Active Installs

Pro

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Need 17,648 more installs to reach 600K+

Rank Changes

Current #114

Change

Best #

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Active Installs Growth

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Active Installs 0,000,000+

Growth +0.0%

Peak 0,000,000

Downloads Growth

Downloads

Growth

Peak

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Reviews & Ratings

4.4

1,397 reviews

Overall 88%

1,099 (79%)

67 (5%)

41 (3%)

40 (3%)

150 (11%)

Support Threads Overview

Resolved

Unresolved

Total Threads

Resolved

Unresolved

60%

Resolution Rate

Security History

Source: WPVulnerability

124 known vulnerabilities on record · 32 in the last 24 months · checked 1 week ago

Sep 30, 2026

Ninja Forms – Contact Form Builder with Calculators, Quizzes, Signatures & AI Form Builder [ninja-forms] < 3.15.5

CVE-2026-102385 · Fixed in v3.15.5
Sep 23, 2026

Ninja Forms – Contact Form Builder with Calculators, Quizzes, Signatures & AI Form Builder [ninja-forms] < 3.15.5

CVE-2026-90438 · Fixed in v3.15.5
Sep 22, 2026

Ninja Forms – Contact Form Builder with Calculators, Quizzes, Signatures & AI Form Builder [ninja-forms] < 3.15.4

CVE-2026-92438 · Fixed in v3.15.4
Sep 22, 2026

Ninja Forms – Contact Form Builder with Calculators, Quizzes, Signatures & AI Form Builder [ninja-forms] < 3.15.4

CVE-2026-91827 · Fixed in v3.15.4
Sep 22, 2026

Ninja Forms – Contact Form Builder with Calculators, Quizzes, Signatures & AI Form Builder [ninja-forms] < 3.15.4

CVE-2026-95515 · Fixed in v3.15.4
Sep 8, 2026

Ninja Forms – Contact Form Builder with Calculators, Quizzes, Signatures & AI Form Builder [ninja-forms] < 3.15.4

CVE-2026-94504 · Fixed in v3.15.4
Sep 6, 2026

Ninja Forms – Contact Form Builder with Calculators, Quizzes, Signatures & AI Form Builder [ninja-forms] < 3.15.2

CVE-2026-80437 · Fixed in v3.15.2
Sep 4, 2026

Ninja Forms – Contact Form Builder with Calculators, Quizzes, Signatures & AI Form Builder [ninja-forms] < 3.14.7

CVE-2026-11363 · Fixed in v3.14.7
Sep 4, 2026

Ninja Forms – Contact Form Builder with Calculators, Quizzes, Signatures & AI Form Builder [ninja-forms] < 3.15.2

CVE-2026-80438 · Fixed in v3.15.2
Aug 6, 2026

Ninja Forms – Contact Form Builder with Calculators, Quizzes, Signatures & AI Form Builder [ninja-forms] < 3.14.10

CVE-2026-15256 · Fixed in v3.14.10

Showing the 10 most recent of 124 records.

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Plugin Details

Version: 3.15.7
Last Updated: Oct 26, 2026
Requires WP: 6.9+
Tested Up To: 7.1
PHP Version: 7.4 or higher
Author: Kevin Stover

Support & Rating

Rating: ★ ★ ★ ★ ☆ 4.4
Reviews: 1,397
Support Threads: 10
Resolved: 60%

Keywords

Calculator form contact form form builder forms lead form

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TL;DR

AI summary of the plugin's readme

Ninja Forms is aimed at WordPress site owners of any size, from small businesses and nonprofits to universities and large companies, who need to build contact and other web forms without coding. It provides a free, open-source drag-and-drop form builder with optional paid add-ons, letting users start with no cost and add premium features like payments, CRM integrations, and email marketing tools only as needed.

24+ drag-and-drop form fields
Calculations on form fields
Merge tag system for field data
Email notifications on submission
Spam protection via reCAPTCHA & Akismet
Export submissions to CSV
GDPR export & delete data integration
40+ add-ons (Stripe, PayPal, Mailchimp, Salesforce, Zapier)

Frequently Asked Questions

Common questions about Ninja Forms - Contact Form Builder with Calculators, Quizzes, Signatures & AI Form Builder

No. Ninja Forms does not paywall submissions. View, search, edit, and export every submission from Ninja Forms > Submissions with the free plugin, with no limit on how many you collect.

Yes. The core plugin is free and open source, and it is the complete form builder: 31 field types, calculations, signatures, star ratings, repeatable fieldsets, unlimited forms and submissions, email notifications, spam protection, privacy tools, and the AI form builder. Premium features such as conditional logic, file uploads, multi-step forms, payments, and integrations are add-ons you can buy individually or as a membership. See "Which features are add-ons?" below.

All 31 of them: Single Line Text Paragraph Text Number Date and Time Confirm Hidden Single Checkbox Checkbox List Radio List Select Multi-Select Select Image Star Rating First Name Last Name Email Phone Address City US States Country Zip Signature Repeatable Fieldset HTML Divider Submit Anti-Spam reCAPTCHA hCaptcha Cloudflare Turnstile

Yes, all three. Calculations combine field values with formulas for quotes, orders, and quizzes. The Signature field accepts a typed or drawn signature. Star Rating gives you a clickable rating scale. None of them require an add-on.

Two ways. Inside the plugin, the AI form builder drafts a form from a plain-language description and lets you refine it in conversation; it uses the WordPress AI Client with an AI provider you connect, and it can be switched off entirely in Settings. Outside the plugin, an AI assistant connected to your site through the WordPress MCP Adapter can build, edit, and manage forms through Ninja Forms' Abilities API, with 29 abilities available by default and every operation subject to the same permission checks as the dashboard.

Yes. Add the fields you want to collect, and every lead is emailed to you the moment it arrives, stored in your WordPress dashboard, and exportable to CSV, with spam protection built in. Sending leads on to Mailchimp, HubSpot, Zapier, or a CRM is handled by add-ons.

Conditional logic, file uploads, multi-step forms, payments (PayPal Checkout, Stripe, Authorize.net, Elavon, Recurly), save and resume, layout and styling controls, PDF submissions, Excel and scheduled exports, user registration and login, front-end posting, and integrations with email marketing, CRM, messaging, and automation services. Each is sold on its own or in a membership.

Yes. All user submitted data is stored locally on your server only, unless you expressly configure the plugin to send it elsewhere, for example via an email action. We never see or collect any user submitted data, and we do not act as a Data Controller or Data Processor per GDPR Article 4 for any data submitted through the forms you create. Your forms can flag and choose not to store personally identifiable information per field, and you can automate export or delete data requests.

Ninja Forms can be and is used on sites that require HIPAA compliance, but overall compliance depends on factors outside the control of any WordPress form builder.

Yes. Any number of emails can be sent to any number of recipients every time a form is submitted. Each email is customized in the form builder, including how the submission data is presented. Emails can include file attachments (with the File Uploads add-on), be sent conditionally, and carry a PDF copy of the submission.