---
title: TYPO3 Extension Customization Services
url: "https://t3planet.de/en/customization-typo3-extensions"
description: "Do you use a TYPO3 extension from T3Planet? Need customization? We would be delighted to help you with T3Planet's TYPO3 Extension Customisation Service."
date: 2024-01-10
modified: 2026-02-26
lastUpdated: 2026-03-10
---
# TYPO3 Extension Customization Services
1. [Home](https://t3planet.de/en/)
2. [Our Services](https://t3planet.de/en/typo3-support-products)
3. [For Support Products](https://t3planet.de/en/typo3-support-products)
4. Our Extensions
Customization of Our Extensions
===============================
Do you already have a free or premium [TYPO3 Extension(s)](https://t3planet.de/en/typo3-extensions) from T3Planet? If so, are you seeking customization tailored to your requirements? We would be delighted to help you with T3Planet's TYPO3 Extension Customisation Service.
Our expert team specialises in **customising your TYPO3 Extension** to match your business and marketing requirements. Enhance and personalise your TYPO3-powered website by tweaking its appearance and functionality to suit your unique brand perfectly with T3Planet's customization services.
[ Overview ](#c5794) [ Services ](#c5063) [ Approach ](#c5209) [ Pricing ](#c5410) [ Reviews ](#c6395) [ FAQs ](#c5038)
[ Free Consulting ](https://calendly.com/t3planet_de) [ Starting at €299 ](#c5410)
Best Selling TYPO3 Extensions
-------------------------------
[
### CKEditor Pack
Experience the official open-source CKEditor for TYPO3 with 40+ features, AI tools, real-time collaboration, and full GDPR compliance.
**€349** Get Now
](https://t3planet.de/en/ckeditor-pack "CKEditor Pack")
[
### AI Assistant
A Complete TYPO3 Extension to Generate AI Content and Start Making Content in Minutes, Helping You Create Content Faster.
**€349** Get Now
](https://t3planet.de/en/t3ai-typo3-extension "AI Assistant")
[
### Slider Revolution
World's most popular WordPress slider revolution now in TYPO3 too!
**€249** Get Now
](https://t3planet.de/en/typo3-slider-revolution-extension "Slider Revolution")
[
### News Comment
Powerful comment function for your favorite news extension!
**€249** Get Now
](https://t3planet.de/en/typo3-news-comment-extension "News Comment")
[
### Backup Plus
All-in-One Backup Solution for TYPO3 Websites
**€249** Get Now
](https://t3planet.de/en/typo3-backup-extension "Backup Plus")
[
### Site Kit by Google
The popular Site Kit plugin from Google is now available for the users of TYPO3 too.
**€249** Get Now
](https://t3planet.de/en/sitekit-by-google-for-typo3 "Site Kit by Google")
[
### Web Accessibility
Make Your TYPO3 Website Fully Accessible and Compliant
Know More
](https://t3planet.de/en/typo3-accessibility-extension "Web Accessibility")
[#### Explore
55
Free and Premium TYPO3 Extensions
](https://t3planet.de/en/typo3-extensions)
What's Included in Service?
-----------------------------
#### Custom TYPO3 Frontend Plugin
We create frontend plugins that seamlessly integrate into your TYPO3 extension, enhancing your website's user experience and functionality.
#### Extend TYPO3 Backend Module
Create a custom or extend existing TYPO3 backend module by enhancing the extension for the administrator and editor-level backend users.
#### Adapt Brand and UI/UX Design
Transform your TYPO3 extension’s appearance to reflect your brand identity and provide a top-tier user experience.
#### Installation, Configuration & Updation
We handle the extension’s TYPO3 installation, configuration, regular updates, and security while you focus on your website's content and functionality.
#### Adaption to Existing Functionality
We specialize in fine-tuning and modifying your TYPO3 extension's functionality to align with your evolving requirements.
#### API Integration & Development
Enhancing your extension’s functionality by integrating APIs and developing custom solutions.
#### Check Your Custom Code Quality
Ensuring the quality and reliability of your custom code with thorough code reviews and testing.
#### … Anything You Wish to Customize
If you have specific customization needs, we're here to make it happen—no request is too big or small.
Why T3Planet ?
---------------
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### Quality of Work
We take pride in delivering high-quality work that meets your expectations and requirements, ensuring your satisfaction.
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### On-time Agreed Delivery
All our developers are trained & certified in TYPO3 with the dedication to deliver outstanding work on time with excellence.
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### Ticket Support System
We provide an efficient ticket support system for prompt assistance with any issues or inquiries.
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### Hours Tracking Report
We keep a track of the hours dedicated to your project with our comprehensive tracking report.
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### Extend TYPO3 Template
Create a child TYPO3 template extension for effortlessly integrating upcoming updates, thereby avoiding overrides.
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### Free Project Management
It comes with a Project Manager to ensure your requirements are communicated and executed well.
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### Free Support
Get 25 days of ongoing support and maintenance services for addressing future issues or updates.
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### Technical Documentation
It comes with clear and precise documentation for any Technical changes to your Website.
4 Steps Approach
-------------------
### Step - 01
#### Define Your Needs
Start by outlining your specific customization requirements and objectives. Clearly state the changes you want to make or feature requests to your TYPO3 extension, along with its detailed functionalities and features.
### Step - 02
#### Choose Your Pricing Plan
Choose the pricing plan that best suits your project’s scope and budget. Whatever it is, a predefined package or custom, we offer flexible options to meet your business needs.
### Step - 03
#### Provide Your TYPO3 Access
We will need access to your TYPO3 Instance or extension code to get going and allow us to integrate the same.
### Step - 04
#### Delivery & Deployment
Once the customization work is completed, we will thoroughly test and review the changes to ensure they meet your expectations. On approval, we will deploy the same to your TYPO3 environment to increase the features of your TYPO3 instance.
Certified TYPO3 Agency
-------------------------
[  ](https://t3planet.de/en/typo3-community-participation "TYPO3 Award Winning")
[  ](https://t3planet.de/en/typo3-community-participation "TYPO3 Certified Developers")
[  ](https://t3planet.de/en/typo3-community-participation "TYPO3 Certified Integrator")
Hours Packages
--------------
T3Planet's extensions customization services will assist you in modifications to features and functionality, such as,
- Custom TYPO3 Frontend Plugin
- Installation, Configuration & Updation
- Extend TYPO3 Backend Module
- Adaption to Existing Functionality
- Adapt Brand and UI/UX Design
- … Anything You Wish to Customize!
PRICING
-------
- 5 Hours €299
- 10 Hours €569 (5% Off)
- 20 Hours €1079 (10% Off)
- 40 Hours €2049 (15% Off)
- Custom
### Avail Service
#### What's Included in 5 Hours Pack?
- 2 days of reaction time\*
- Project Manager Included
- Normal Support
- 25 Days Support period
- German CEST Timezone\*
[Buy 5 Hours Pack](https://t3planet.shop/subscribe/62d63a071876db7e3f7895f4/5-hours-extension)
### Avail Service
#### What's Included in 10 Hours Pack?
- 2 days of reaction time\*
- Project Manager Included
- Normal Support
- 25 Days Support period
- German CEST Timezone\*
[Buy 10 Hours Pack](https://t3planet.shop/subscribe/62d63a3d1876db7e3f789600/10-hours-extension)
### Avail Service
#### What's Included in 20 Hours Pack?
- 2 days of reaction time\*
- Project Manager Included
- Normal Support
- 25 Days Support period
- German CEST Timezone\*
[Buy 20 Hours Pack](https://t3planet.shop/subscribe/62d63a671876db7e3f789651/20-hours-extension)
### Avail Service
#### What's Included in 40 Hours Pack?
- 2 days of reaction time\*
- Project Manager Included
- Normal Support
- 25 Days Support period
- German CEST Timezone\*
[Buy 40 Hours Pack](https://t3planet.shop/subscribe/62d63abb1876db7e3f789668/40-hours-extension)
### Custom
#### What's Included in Custom Pack?
- 2 days of reaction time\*
- Project Manager Included
- Normal Support
- 25 Days Support period
- German CEST Timezone\*
[Buy Custom Pack](https://t3planet.de/en/contact)
### 230
Customization Request
### 90
Extensions Customized
### 45
Templates Developed
### 14
Years of Experience
Happy Customers
----------------
Customers Review
----------------
2500+ Premium customers from beginners to industry leaders love T3Planet!
### 4.6 / 5
#### Paul Mehler
T3Planet's extension customization service exceeded our expectations in every way. Their expertise in TYPO3 customization is unmatched, and we're extremely satisfied with the results. I highly recommend T3Planet for anyone looking to optimize their TYPO3 environment!
#### Andreas Neudorf
Choosing T3Planet for our TYPO3 extension customization was one of the best decisions we made. Their team's expertise and dedication were evident from the start, and they delivered outstanding results within our timeline. Our TYPO3 environment now functions seamlessly, thanks to their meticulous work!
#### Sophie Beich
T3Planet's extension customization service saved us time and effort. Their solutions streamlined our operations, making our TYPO3 instance more efficient.
#### Stefanie Ostermann
Recently, I purchased an extension from T3Planet and wanted to add more additional features to customize it further. After inquiring about their services and providing my customized requirements, I was pleasantly surprised with the result. The team at T3Planet did an amazing job! I am extremely happy with the service provided by T3Planet. Kudos to the T3Planet team!
#### Erik Beich
Impressed with the professionalism and expertise of T3Planet's team. They customized my TYPO3 extension flawlessly, integrating APIs and ensuring the quality of custom code. looking forward for more projects!
#### Christian Fischer
Choosing T3Planet for my extension customization was a wise decision. They transformed my TYPO3 extension to align perfectly with my website's needs and functionality. I'm thoroughly impressed with their expertise and service.
#### Mario Mueller
Fantastic service from T3Planet! Their team provided excellent customization for my TYPO3 extension, aligning it exactly with my business requirements. They were responsive and professional, making sure everything worked seamlessly.
#### Sabrina Konig
I needed some custom changes for my TYPO3 extension, and T3Planet delivered beyond my expectations. Their team quickly understood my requirements and adjusted the extension to fit my business perfectly. Great service and highly recommended for anyone needing TYPO3 customization!
#### Max Weisz
We wanted a flexible way to display product FAQs and support tickets inside TYPO3. T3Planet developed a custom extension that fits our design system and is very easy to update. Support was knowledgeable and quick to respond.
#### Thorsten Mahler
I was on a tight deadline and needed changes in a TYPO3 extension, but didn’t want to mess with the code. T3Planet Extension Customization handled it quickly and got things working exactly how I needed. It really saved me.
#### Ralph Maur
I reached out to T3Planet for a custom TYPO3 extension, and the experience was outstanding. The team understood our needs right away and delivered a seamless, tailored solution that significantly improved my site’s performance. The entire process was smooth, and the results truly exceeded expectations.
#### Ralph Scholz
Customizing TYPO3 extensions used to take so much time. This service made it easy to tweak and personalize features quickly, saving me hours of work. Now, I focus more on creativity and less on the technical hassle!
#### Paul Gerber
Client asked for a few small TYPO3 changes that were not available by default. I tried Customization TYPO3 Extensions and it saved me from building everything from zero. The changes fit well, and the site worked the way the client wanted without extra fixes later.
#### Luca Müller
We needed custom product FAQ and ticket fields inside TYPO3 that matched our design. T3Planet built exactly that through their extension customization service. The team was responsive and it worked perfectly from day one.
Technical Expertise
-------------------
| #### TYPO3 Core Versions | #### LTS & ELTS versions |
|---|---|
| #### TYPO3 Template Standards | #### Fluid, TypoScript, HTML5/CSS3, Bootstrap, SCSS, Vanilla JavaScript |
| #### TYPO3 Extension Standards | #### Extbase, Fluid, TypoScript, TYPO3 Core Hooks & API |
| #### Local TYPO3 Development | #### Docker, DDEV, MAMP, LAMP |
| #### TYPO3 Deployment Platform | #### Git, Auto Deploy CI/CD, Deployer, Manual SSH/SFTP |
| #### TYPO3 Automate Code Lints | #### PHP, TypoScript, Fluid, HTML/CSS, Vanilla JavaScript |
| #### TYPO3 Quality Assurance | #### UI/UX Design, Functionality, Cross-Browsers & Cross-Devices, Usability Testing |
Related Services
----------------
[ All Services ](https://t3planet.de/en/typo3-support-products)
[### Customization of Our Templates
Do you have T3Planet templates and want to extend the features or design of your TYPO3 site?
Starting at €249  ](https://t3planet.de/en/customization-typo3-templates)
[### Customization of Our Extensions
Like T3Planet's extensions? Extend the functionality of extensions for your TYPO3 site.
Starting at €299  ](https://t3planet.de/en/customization-typo3-extensions)
[### Extension Support via TER (extensions.typo3.org)
Avail to optimize and customize TYPO3 Extension Repository (TER) functionalities.
Starting at €299  ](https://t3planet.de/en/support-typo3-extensions-repository)
### Want to add new features or functionalities to our extension?
[Contact us](https://t3planet.de/en/custom-typo3-extension)
Related Blog
------------
[ All Blog ](https://t3planet.de/en/blog/)
 25 Sep 2025 [Anna Scholz](https://t3planet.de/blog/authors/anna-scholz/)
Friendly Captcha – The Best CAPTCHA alternative
 24 Jul 2025 [Anna Scholz](https://t3planet.de/blog/authors/anna-scholz/)
20+ Must Have TYPO3 Extensions for Agencies & Website Owners (Part-1)
 12 Jun 2025 [Stefan Reinhardt](https://t3planet.de/blog/authors/stefan-reinhardt/) [Stefan Reinhardt](https://t3planet.de/blog/authors/stefan-reinhardt/)
Make Your TYPO3 Website Accessible to Everyone: A Complete Guide
Frequently Asked Questions
--------------------------
[ More FAQs ](https://t3planet.de/en/faqs/typo3-extensions)
What is the turnaround time for customization service?
We prepare quotes within one business day and can start building your project on the same day you say “Go!”. The development time depends on and varies from requirement to requirement.
What is support reaction time?
Our standard working hours are 9 am – 6 pm IST, and our reaction time may differ depending on your country's time zone. We work successfully in different time zones, from Asia and the US to German countries without affecting performance and support. We're happy to make additional adjustments to our working hours to facilitate cooperation with you.
Will I have a developer to work on my task?
We will provide a dedicated support manager to monitor and update you on work according to your project’s needs. The developer will work only on your project for the purchased hours.
Is there any Hidden Cost?
Different packages have different costs, and we do not have any hidden costs. Once we agree on the same page, the cost remains the same until the project is handed over to you.
How can I communicate with T3Planet?
T3Planet has the following modes of communication for customization service:
- Email
- Slack
- Skype
- Telephones
- Other instant messaging tools
Is ongoing support provided after extension customization is complete?
Yes, we offer 25 days of ongoing support and maintenance services to address any issues or updates you may need in the future. Our team is committed to ensuring the long-term success of your customized TYPO3 extension.
How do I get started with T3Planet's Extension Customization Service?
To get started, simply contact us to schedule a consultation. During this consultation, we'll discuss your project requirements, goals, and timelines and provide a personalised plan for your extension customization. You can also just buy the Hourly Package for the extension customization.
Is there a warranty or satisfaction guarantee for your extension customization service?
Yes, we offer a satisfaction guarantee. If you are unsatisfied with the extension feature requests, we will work with you to address any concerns and make necessary adjustments to ensure your complete satisfaction. Yes, we offer a satisfaction guarantee. If you are unsatisfied with the extension feature requests, we will work with you to address any concerns and make necessary adjustments to ensure your complete satisfaction.
Do you have any questions?
--------------------------
[ Let’s Connect!](https://t3planet.de/en/contact)