Best utf-8 plugins for WordPress
The most popular utf-8 plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Clean Filenames leads with 3K+ active installs, ahead of Full UTF-8 (300+) and Convert WP Database to UTF-8 (200+). All 9 plugins tagged “utf-8” are below, with figures from WordPress.org that update every day.
Installs aren’t everything: a recent release, a “Tested up to” that matches the current WordPress, and support threads that get resolved show a plugin is looked after. Open any plugin for its downloads, rank history and alternatives.
Research this niche or see all plugins.
Top 7 utf-8 plugins
- 1.
Clean FilenamesThe most installed utf-8 plugin, with 3K+ active installs. Rated 4.6 from 8 reviews, last updated 1 year ago. Tested only up to WordPress 6.7.11.
- 2.
Full UTF-8300+ active installs. Rated 5.0 from 6 reviews, last updated 12 years ago. Tested only up to WordPress 4.0.38.
- 3.
Convert WP Database to UTF-8200+ active installs. Only 4 reviews so far, last updated 15 years ago. Tested only up to WordPress 2.8.
- 4.
Content Cleaner30+ active installs. No reviews yet, last updated 9 years ago. Tested only up to WordPress 4.7.39.
- 5.
Strings Sanitizer20+ active installs. Only 1 review so far, last updated 14 years ago. Tested only up to WordPress 3.4.2.
- 6.
HW Feed Cleaner10+ active installs. No reviews yet, last updated 13 years ago. Tested only up to WordPress 3.5.2.
- 7.
WP Clean Characters10+ active installs. No reviews yet, last updated 12 years ago. Tested only up to WordPress 3.0..
All 9 plugins tagged “utf-8”
Clean Filenames
Down in the last 7 days:6#4,183by Samuel Aguilera1 year ago
Removes or replace international or special characters that can make your filenames not compliant with some servers or services.
- Installs
- 3K+
- Rating
- 4.6(8)
- Downloads
- 14/day
Full UTF-8
Down in the last 7 days:7#10,369by Andrea Ercolino12 years ago
Trustfully write anything in your language. Stop worrying about truncated content.
- Installs
- 300+
- Rating
- 5.0(6)
- Downloads
- 0/day
Convert WP Database to UTF-8
Down in the last 7 days:28#11,289by yihui15 years ago
Converts the WordPress database (both tables and columns) to UTF-8 character set.
- Installs
- 200+
- Rating
- 5.0(4)
- Downloads
- 11/day
Content Cleaner
Down in the last 7 days:90#23,275by colin34409 years ago
Automatically removes non-printable characters, including the ETX character, from content, title, and Advanced Custom fields.
- Installs
- 30+
- Rating
- –
- Downloads
- 0/day
Strings Sanitizer
Down in the last 7 days:555#27,129by Prospek Creation14 years ago
Aggressively sanitizes titles for clean, SEO friendly post slugs, and media filenames during upload.
- Installs
- 20+
- Rating
- 5.0(1)
- Downloads
- 0/day
HW Feed Cleaner
Up in the last 7 days:6,722#41,083by Håkan Wennerberg13 years ago
If you ever had trouble with WordPress generating non-valid RSS or Atom feeds, this is the plugin for you.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
WP Clean Characters
Up in the last 7 days:4,253#42,904by prettyboymp12 years ago
This plugin will convert the characters pasted from any character set to a valid UTF-8 entities.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day