Skip to main content
ubuntuask.com

Back to all posts

How to Change Letter Case In Url With .Htaccess?

Published on
5 min read
How to Change Letter Case In Url With .Htaccess? image

Best URL Management Tools to Buy in October 2025

1 WeHere 32 Key Lock Box Wall Mount, Smart Key Cabinet with APP Bluetooth/Fixed/Dynamic Password/OTP Share Unlock, Security Lockbox ERP for Valets/Realtors/Office/Hotel Key Management

WeHere 32 Key Lock Box Wall Mount, Smart Key Cabinet with APP Bluetooth/Fixed/Dynamic Password/OTP Share Unlock, Security Lockbox ERP for Valets/Realtors/Office/Hotel Key Management

  • DURABLE STEEL CONSTRUCTION PREVENTS SCRATCHES, RUST, AND PEELING.

  • MULTIPLE ACCESS METHODS: KEY, BLUETOOTH, WIFI, AND APP-GENERATED PASSWORDS.

  • CUSTOMIZABLE GUEST CODES FOR TAILORED ACCESS AND PEACE OF MIND.

BUY & SAVE
$99.99
WeHere 32 Key Lock Box Wall Mount, Smart Key Cabinet with APP Bluetooth/Fixed/Dynamic Password/OTP Share Unlock, Security Lockbox ERP for Valets/Realtors/Office/Hotel Key Management
2 Blogs, Wikis, Podcasts, and Other Powerful Web Tools for Classrooms

Blogs, Wikis, Podcasts, and Other Powerful Web Tools for Classrooms

BUY & SAVE
$12.74 $41.95
Save 70%
Blogs, Wikis, Podcasts, and Other Powerful Web Tools for Classrooms
3 Discharge Planning Guide: Tools for Compliance

Discharge Planning Guide: Tools for Compliance

BUY & SAVE
$189.00
Discharge Planning Guide: Tools for Compliance
4 WeHere 120 Key Lock Box Wall Mount, Smart Security Storage Lockbox, Key Cabinet use APP Bluetooth/Fixed/Dynamic Password/OTP Share Unlock, Key Management for Valets/Realtors/Office

WeHere 120 Key Lock Box Wall Mount, Smart Security Storage Lockbox, Key Cabinet use APP Bluetooth/Fixed/Dynamic Password/OTP Share Unlock, Key Management for Valets/Realtors/Office

  • DURABLE DESIGN: COLD-ROLLED STEEL WITH ANTI-RUST COATING ENSURES LONGEVITY.

  • FLEXIBLE ACCESS: UNLOCK VIA KEY, BLUETOOTH, WIFI, OR APP-SET PASSWORD.

  • ORGANIZED STORAGE: EFFICIENT HOOK LAYOUT PREVENTS OVERLAPPING AND LABELS KEYS EASILY.

BUY & SAVE
$219.99
WeHere 120 Key Lock Box Wall Mount, Smart Security Storage Lockbox, Key Cabinet use APP Bluetooth/Fixed/Dynamic Password/OTP Share Unlock, Key Management for Valets/Realtors/Office
+
ONE MORE?

To change letter case in a URL using .htaccess, you can use the RewriteMap directive with the int:tolower function. This function converts all uppercase characters to lowercase in the URL.

First, create a text file (e.g. mapping.txt) and add the following code: A: a B: b C: c D: d . . . Z: z

Save the file and upload it to your server.

Next, add the following code to your .htaccess file: RewriteMap lc int:tolower RewriteRule ^(.*)$ ${lc:$1} [R=301,L]

This code will convert all uppercase characters in the URL to lowercase. Make sure to replace "mapping.txt" with the correct path to your mapping file.

Save the .htaccess file and upload it to your server. Test the changes by accessing your website with uppercase letters in the URL. The URL should automatically be converted to lowercase.

What is the best practice for handling URL case sensitivity in .htaccess?

The best practice for handling URL case sensitivity in .htaccess is to use the NC flag in the RewriteRule directive, which stands for "no case." This flag tells Apache to ignore the case of the URL when matching against the rule.

For example, if you want to redirect all requests for a specific directory to a lowercase version of the URL, you can use the following RewriteRule in your .htaccess file:

RewriteEngine On RewriteBase / RewriteRule ^Directory/?(.*)$ /directory/$1 [NC,R=301,L]

In this example, requests for /Directory/ will be redirected to /directory/, regardless of the case of the URL. The NC flag ensures that the rule is case-insensitive.

It is important to note that using case-insensitive matching in .htaccess rules can have performance implications, as it requires additional processing by the server. However, in most cases, the impact on performance should be minimal.

What is the significance of preserving URL letter case for brand consistency with .htaccess?

Preserving URL letter case using .htaccess is important for maintaining brand consistency because it ensures that the URLs for a website or web application are displayed in a consistent and recognizable manner. This can help to strengthen the brand identity and provide a more professional and cohesive user experience.

When URLs are displayed consistently in a certain letter case, users are more likely to remember and recognize them, which can increase brand visibility and recognition. Inconsistent URL letter case can lead to confusion and make it more difficult for users to navigate and interact with the website or web application.

By preserving URL letter case with .htaccess, a brand can maintain a consistent and unified appearance across all of its online platforms and communications. This can help to reinforce the brand's image and messaging, and build trust and credibility with users. Additionally, having consistent URL letter case can also have a positive impact on search engine optimization (SEO) efforts, as search engines may prioritize properly formatted URLs.

What is the impact of changing URL letter case on site performance with .htaccess?

Changing URL letter case in .htaccess can have a minimal impact on site performance. The impact would mainly depend on the size and complexity of the website, as well as the number of URLs being affected by the change.

In general, changing URL letter case does not significantly affect site performance because it is a simple redirect rule that the server can handle efficiently. However, if a large number of URLs need to be redirected and the server has to process a high volume of requests, it could potentially slow down the site performance slightly.

It is always recommended to test the changes in a staging environment before implementing them on a live site to ensure that there are no unexpected performance issues.

How to prevent case-sensitive URL issues with .htaccess?

To prevent case-sensitive URL issues with .htaccess, you can use the following directives in your .htaccess file:

  1. Use the "RewriteMap" directive: You can use the "RewriteMap" directive to create a case-insensitive map of URLs. This allows you to redirect all incoming requests to lowercase URLs, preventing any case-sensitive issues. Here's an example of how to use the "RewriteMap" directive:

RewriteEngine On RewriteMap lc int:tolower RewriteCond %{REQUEST_URI} [A-Z] RewriteRule ^(.*)$ ${lc:$1} [R=301,L]

  1. Set the "RewriteBase" directive: You can set the "RewriteBase" directive to specify the base URL for all relative path substitutions. This will ensure that all URLs are resolved correctly regardless of case sensitivity. Here's an example of how to set the "RewriteBase" directive:

RewriteEngine On RewriteBase /

  1. Use the "IgnoreCase" flag: You can use the "NC" (IgnoreCase) flag in your RewriteRule directive to make the URL matching case-insensitive. This will ensure that your rewrite rules work correctly regardless of the case of the requested URLs. Here's an example of how to use the "NC" flag:

RewriteEngine On RewriteRule ^example\.html$ http://www.example.com/ [R=301,NC,L]

By using these directives in your .htaccess file, you can prevent case-sensitive URL issues and ensure that your URLs are redirected correctly regardless of their case.