20+ Best CRO Tools to Improve Conversions in 2025

1. Fibr AI

Fibr is an AI A/B testing tool that helps you fine-tune your websites, landing pages, and marketing campaigns without hitting a paywall. Most A/B testing tools either cap the number of experiments you can run, slow down your site, or come with a hefty price tag—Fibr avoids all three. It brings a combination of flexibility, ease of use, and AI-driven insights.

Easy-to-use visual editor

Fibr comes with a WYSIWYG editor that allows you to create and modify landing page variations with just a few clicks. Change headlines, CTAs, or entire sections without a single line of code.

Advanced targeting

With Fibr, you can segment and target different audience groups based on traffic sources, device types, operating systems, visitor behavior, and even custom events, making your tests more precise with better insights.

Bulk variant creation

Fibr speeds up testing by allowing you to generate multiple variations of landing pages and web pages at once.

AI-powered optimization

Fibr uses AI to generate high-converting variations of your landing pages automatically. Instead of spending hours brainstorming copy and layout changes, the AI system suggests improvements based on data-driven insights.

No performance issues

Fibr ensures fast load times and a seamless user experience without the dreaded Flash of Original Content (FOOC), avoiding the SEO and speed penalties common with other A/B testing tools.

Additional features

• Statistical significance analysis: Results are backed by solid data before you make decisions.
• Campaign scheduling: Set tests to run at specific times to match marketing campaigns or seasonal trends.
• Traffic splitting and allocation: Control how much traffic goes to each variant for precise experimentation.
• Downloadable reports: Export results in .csv format for in-depth analysis and team sharing.

ACT Fibernet, a leading internet service provider, used Fibr to test their CTA messaging and saw a 12% increase in conversions, along with a 25% jump in new customer acquisitions.

2. Optimizely

Optimizely is a versatile digital experience platform that offers designers and marketers a range of tools to optimize the digital experience of the website and enhance the customer experience across all possible touchpoints. It brings together e-commerce, content, and real-time intelligence to help teams drive the right personalization at scale, with an easy interface and customizable setup.

Key features

• Create multiple variations for a page element based on buttons, colors, images, form fields, and content.
• Track which variation works best based on how visitors interact with the various versions.
• Set predefined conversion goals or create tailored ones.

3. VWO (Visual Website Optimizer)

VWO is a leading digital optimization platform that lets you personalize, test, and analyze users' digital experiences. It bundles a strong suite of A/B testing, user analysis, and personalization capabilities that let users make decisions based on data and optimize the user journey across apps and websites. VWO has a robust customer data foundation that integrates across various channels, allowing you to consolidate all data in one place and get a holistic view of your audience.

Key features

• Conduct testing from UI to content, algorithms, and search results under one roof for various marketing elements and products.
• Build selective audience tests with versatile audience selection options, activity-driven user selection, and customizable selection logic.
• Make data-driven decisions based on Bayesian-powered reports.

4. Crazy Egg

Crazy Egg is a powerful website optimization tool that uses heatmaps, scrollmaps, session recordings, and similar tools to bring visual insights into how visitors interact with a website. It lets you identify areas of high engagement and pinpoint elements that are being ignored. Crazy Egg integrates without hassle with platforms like Shopify, WordPress, and Google Analytics, and is widely used by marketers, UX designers, and product managers across eCommerce, education, and retail.

Key features

• Set testing goals to measure the actual result compared to the set goal and the overall impact on the website.
• Conduct both manual and AI-automated split testing.
• Test the webpage via URL or tweak sections with the page editor.

5. Adobe Target

Adobe Target is part of the broader Adobe suite for enterprise and SMBs. It delivers targeted experiences across various digital touchpoints through A/B testing, multivariate testing, automated personalization, and AI-driven recommendations. It uses customer data, machine learning, and behavioral insights to optimize user interactions and improve conversions, retention, and engagement. With real-time decision-making powered by the Adobe Experience Platform Edge Network, Adobe Target provides low-latency delivery of personalized content and integrates with Adobe Analytics for better reporting.

Key features

• Build omnichannel campaigns that satisfy the needs of specific audience segments.
• Deliver consistent and meaningful customer experiences at scale with cross-device targeting and AI-powered recommendations.
• Create impactful user experiences with auto-targeting, geo-targeting, and auto-allocation.

6. Dynamic Yield

Dynamic Yield is an AI-powered experience optimization platform, powered by Mastercard, that provides personalized experiences across all customer touchpoints, including online applications, emails, IoT, and more. It excels in displaying personalized content and digital interactions to each user in real time using powerful algorithms and real-time data analytics, which has proven to bring a big boost in conversion rates, user engagement, and customer retention.

Key features

• Change static pages like call-to-actions, banners, promotional areas, listing pages, and descriptions based on the segment or user.
• Automate content personalization to pitch item banners, carousels, and other relevant data, and sync personalized marketing campaigns with creative libraries and fresh data.
• Route traffic and respond to changing preferences in real time with Affinity Allocation.

7. ConvertBox

ConvertBox's forte is intelligent on-site messaging for lead capture and conversion optimization. The platform creates highly personalized messages based on user behavior and segmentation funnels. It offers A/B testing and multi-step forms, in addition to highly customizable dynamic pop-ups, dynamic text replacement, and countdown timers to stir urgency and engagement. It integrates with popular marketing tools and includes a mobile-responsive editor.

Key features

• Build multiple-choice surveys to segment, tag, and deliver personalized offers specific to the visitor's interests and goals.
• Collect data with custom form fields and pass the data to your ESP/CRM using form automation.
• Show specific steps, pages, or fire pixels based on previously chosen buttons, fields, or overall score.

8. Picreel

Picreel is a pop-up builder tool whose biggest weapon is its exit-intent technology and on-site retargeting. Together, these tools let you intercept abandoning visitors with targeted popups. Unlike generic popup builders, it tracks mouse movements to trigger personalized offers or surveys precisely when users show exit behavior. It also has in-depth integrations with CRMs and A/B testing tools for real-time campaign optimization.

Key features

• Accelerate list growth by displaying lead gen forms that capture email addresses and SMS mobile numbers from qualified visitors.
• Access a ready-to-use library of professionally created popups, offers, sign-up forms, discount offers, capture forms, wheel of fortune, nanobars, exit surveys, and more.
• Trigger popups and overlays at the ideal moment—when your visitor is engaged or about to exit.

9. Google Analytics 4

Google Analytics 4 (GA4) is the latest iteration of Google's analytics platform, designed to provide a more comprehensive and privacy-centric approach to tracking user behavior across websites and apps. Unlike its predecessor Universal Analytics, GA4 uses an event-based data model where every interaction—such as page views, clicks, or purchases—is treated as an event, allowing for more granular insights and cross-platform tracking. GA4 integrates machine learning and predictive analytics to offer actionable metrics like churn probability, purchase likelihood, and revenue forecasts.

Key features

• Get auto-generated behavior reports and real-time reports to understand marketing data.
• Understand the user journey from clicking the ad to buying with funnel analysis, and optimize your conversion cost.
• Run Intelligent Anomaly Detection to find anomalies like a sudden decrease in engagement or a decreased average order value.

10. Hotjar

Hotjar is an intuitive tool for understanding how users interact with your websites. With heatmaps, session recordings, and feedback tools, Hotjar provides both quantitative and qualitative insights and makes it easier to identify areas for improvement. Heatmaps give you a clear picture of which parts of your website are getting the most engagement—revealing whether users are clicking on something that isn't clickable or ignoring your call-to-action button. Hotjar also combines behavioral analytics with user feedback, making it easier to prioritize changes that will have the biggest impact.

Key features

• Visualize user interactions like clicks, taps, and scrolls to identify engagement patterns.
• Watch real user sessions to understand navigation paths, clicks, and hesitations.
• Collect real-time feedback through customizable pop-ups and gather qualitative insights via open-ended or multiple-choice surveys, including exit-intent surveys.

11. Mixpanel

Mixpanel is a product analytics platform that analyzes user interactions with digital products. It excels in event-based tracking, user segmentation, and funnel analysis, enabling businesses to understand user behavior and optimize their products. Its standout event-based tracking lets you monitor every user action, from clicks to purchases, and create custom funnels to see exactly where users drop off.

Key features

• Populate missing event attributes with backfilling when a property emerges in subsequent funnel phases but not in previous ones.
• Automatically create graphs and charts as data pours in for immediate visual insights.
• Create personalized events by merging many events into one, and build funnels with different paths leading to the same destination.

12. Heap

Heap is a powerful product analytics tool that tracks user interactions in real time across all touch points of your product. Heap takes the hassle out of analytics with automatic data capture—you don't need to set up tracking for every event, as it records everything retroactively. Combined with session replays and funnel analysis, Heap tells you not only what users are doing but also why they're doing it (or not doing it).

Key features

• Get a visual map of every path users take through your product, including numbers and conversion rates for each path and step.
• Build and analyze every user workflow in your product, no matter how complicated.
• Categorize dashboards with the same conventions as Heap's events and charts for continuity.

13. Fullstory

Fullstory is a digital experience (DX) analytics platform that helps you understand your user base and optimize customer interactions across your websites and mobile apps. Session replay is one of its best features, letting you see how users interact with your site or app in real time or retrospectively—revealing "rage clicks" or "dead clicks" and showing you where to improve. Other features include heatmaps, click tracking, full user journey tracking with funnel analysis, and the ability to create custom events to track actions like button clicks and form submissions.

Key features

• Identify issues like JavaScript errors, rage clicks (repeated clicking out of frustration), and dead clicks (clicks with no response).
• Segment your user base based on demographics, behavior, or any other custom criteria.
• Integrate easily with tools like Slack, Jira, and Google Analytics for collaborative workflows across teams.

14. Kissmetrics

Kissmetrics is a person-based analytics platform designed to help you track, analyze, and optimize customer behavior across your digital properties. It tracks user behavior across multiple devices and sessions—from the first visit to conversion and beyond—giving you a holistic view of how customers interact with your site or app, including identifying drop-off points and optimizing user paths. Kissmetrics can also track and compare the behavior of specific user groups over time, which is valuable for understanding the impact of changes in marketing strategies or product updates.

Key features

• Generate personalized reports like Funnel reports, Cohort reports, Revenue reports, and more.
• Track touchpoints across various channels to find out which interactions lead to conversions.
• Create and analyze funnels to understand user behavior through various stages.

15. Qualaroo

Qualaroo collects real-time insights through targeted surveys. Its standout features include sentiment analysis powered by IBM Watson, advanced targeting options, and exit-intent surveys. Its "Nudges" are subtle but effective survey prompts that don't interrupt the user experience. The platform is a popular choice for UX research, customer satisfaction surveys, and website optimization.

Key features

• Get 100+ survey templates to create ready-to-use surveys that can be easily embedded into emails, websites, and apps.
• Create a scored survey to ask questions and grade responses with positive and negative values.
• Use "Nudges" to gather feedback without disrupting the user experience.

16. SurveyMonkey

SurveyMonkey is a popular online survey tool that helps users create and distribute surveys for customer feedback, market research, and employee engagement. It offers customizable templates and advanced logic tools like skip logic and branching. Its AI-powered "SurveyMonkey Genius" feature helps optimize your questions and analyze trends in responses, and the platform integrates with more than 175 business tools.

Key features

• Create and customize multiple forms in seconds with an online form builder.
• Gather responses through multiple channels, manage form submissions, and follow up whenever you want.
• Integrate and automate workflows with more than 175 business tools, like Google Sheets and Mailchimp.

17. Typeform

Typeform is an interactive form-building platform known for its conversational, visually engaging design. It allows users to create surveys, quizzes, and forms with conditional logic, multimedia integration (images/videos), and customizable templates. Typeform's one-question-at-a-time format enhances user engagement and completion rates. It integrates with HubSpot, Slack, and Google Sheets, and logic jumps let you create dynamic forms that adapt to users' answers.

Key features

• Easily integrate with Zapier, Google Analytics, Slack, HubSpot, and other popular CRMs.
• Get pre-defined templates with 20+ question types and create forms within seconds.
• Analyze the collected data and get recommendations on how to optimize the form for a better conversion rate.

18. FormStory

FormStory is a real-time form tracking tool designed to prevent lead loss caused by glitches, reloads, or incomplete submissions. It captures user input as it's entered, helping businesses recover lost leads and improve form performance. Forms are a critical point in the conversion journey—when they fail, so does the opportunity. FormStory guarantees no potential lead is lost and offers clear visibility into user behavior and form health.

Key features

• Captures user input from incomplete or failed forms to help recover lost leads.
• Monitors forms 24/7 and sends instant alerts if something goes wrong.
• Tracks form performance and provides regular summaries to improve conversions.

19. Gravity Forms

Gravity Forms is a versatile WordPress plugin that allows you to build complex forms with easy drag-and-drop functionality. It enables you to create web forms to collect user data, comes with a virtual airlock facility that keeps your data safe and secure, and helps you create forms that are accessible and compliant with WCAG 2.1AA.

Key features

• Create an intuitive form within seconds with drag-and-drop functionality.
• Hide and display fields, pages, and sections based on user responses with conditional logic.
• Build responsive forms that adjust based on the resolution of the device.

20. HubSpot Forms

HubSpot Forms is a versatile and user-friendly tool for form creation. With its drag-and-drop interface, you can create custom forms without any coding knowledge, from simple contact forms to complex lead generation forms. Forms integrate easily with HubSpot CRM—all captured data is automatically stored and ready for use in marketing, sales, or customer service workflows. A standout feature is progressive profiling, which allows businesses to gather more information about returning visitors over time by dynamically adjusting the form fields displayed.

Key features

• Easily create custom forms without any coding knowledge.
• Adjust form fields dynamically to collect additional information from returning visitors.
• Break long forms into multiple steps to improve user experience and completion rates.

21. Woorise

Woorise is a popular platform for designing and creating interactive content like giveaways, surveys, and lead-generating landing pages. Its drag-and-drop builder and impressive template library handle many campaign types with ease. Woorise is effective for targeted marketing because it includes geo-targeting and fraud detection features, and it works easily with most payment gateways and email marketing tools, allowing you to convert leads into customers directly within the platform.

Key features

• Create functional, high-converting landing pages without needing extensive code.
• Build powerful online forms to collect data, sign-ups, subscribers, and calculations, and automate your workflows.
• Build viral giveaways, contests, and competitions to engage with your goals.

22. Semrush

Semrush is a comprehensive digital marketing suite with an all-in-one approach to keyword research, competitor analysis, content marketing, and advertising. Tools like the Keyword Magic Tool and Keyword Gap analysis provide deep insights into search engine rankings and growth opportunities. Semrush also includes site audits, backlink analysis, and PPC campaign optimization.

Key features

• Track your SERP positions on a daily basis and run deep technical SEO audits.
• Reveal millions of national and local keywords and analyze the backlink profile of any domain.
• Track and analyze competitor websites and marketing strategies, and create and track your PPC campaigns.

23. Buzzsumo

Buzzsumo is a media database useful for outreach, discovery, marketing, and market research. Its biggest draw is content intelligence that analyzes billions of social and search data points to identify trending topics, high-performing content formats, and influential creators. The platform does cross-platform trend tracking across Facebook, TikTok, and YouTube, and features like question analysis and forum monitoring uncover niche audience queries and provide actionable insights competitors often miss.

Key features

• Explore high-demand keywords and analyze the subheadings, structure, and content of top-ranking headlines.
• Understand the popularity and use of keywords to identify topics with high demand.
• Combine keywords with BuzzSumo's content, questions, and influencer data to create impactful content.

24. Subjectline.com

Subjectline.com is a free, ready-to-use email subject line testing and grading tool. With over 15 million subject lines tested and over 200,000 marketers using the platform, it evaluates subject lines based on over 900 unique rules and tweaks them for deliverability and marketability. The platform maximizes email open rates through data-backed subject line creation, tapping into urgency, curiosity, and personalization.

Key features

• Utilize data from billions of email messages to get recommendations rooted in industry best practices.
• Compare different subject lines with A/B testing to identify which performs best with your target audience.
• Get a mobile app for Android and iOS to test subject lines on the go.

25. Airtable

Airtable combines the simplicity of spreadsheets with the power of databases, making it an exceptional tool for project management and data organization. It is an AI-powered app through which you can handle product operations, marketing, portfolio project management, sales, CRM, and finance. Airtable is very flexible; you can create custom workflows with automation and relational database features, with support for multiple views like Kanban boards, calendars, and galleries.

Key features

• Manage and govern apps at scale—standardize processes on top of shared data sets and centrally control data access and AI usage.
• Automate campaign creation and execution that drives sales and improves brand loyalty.
• Create and develop apps instantly with AI, drag-and-drop interfaces, and automation.

26. ClickUp

ClickUp is a project management and productivity tool for teams to collaborate, track progress, and manage workflows efficiently. Beyond core project management, it includes CRO features: with ClickUp Goals and Dashboards, you can manage campaign objectives, timelines, and targets and automatically track progress. You get more than 15 views to oversee your marketing funnel, team schedule, and workload management. ClickUp Brain, its in-house AI system, integrates directly into the platform and lets you brainstorm ideas, generate content, and conduct analyses without switching between tools.

Key features

• Plan and execute CRO campaigns with Gantt charts, time tracking, task dependencies, and custom views.
• Use dedicated CRO templates like the Display Ads KPI Tracking Template to track metrics like CTR, CPA, and ROAS.
• Generate CTAs, optimize landing pages, and create conversion-focused email marketing campaigns with ClickUp Brain.