SFFE3.3

Make Safari easier to read with your own fonts.

SFFE lets you change website fonts in Safari to match your personal style.
Register fonts and create groups in the app, then quickly apply them per site in Safari.

Key Features

- Import TTF, OTF, WOFF, and WOFF2 fonts
- Apply font groups by website
- Language-based font settings
(Korean, English, Japanese, Chinese Simplified/Traditional)
- Preview before applying
(numbers/symbols, your language first, multilingual paragraph samples)
- Light and Dark mode support

How to Use

- Enable SFFE in Settings > Safari > Extensions.
- Open Safari and tap the puzzle icon next to the address bar.
- Select the font group you want for each site.

Notes

- Large font files may take longer on first load.
- Support: sffe@blueat.me

Version History Improved font application and update reliability in Safari.

- More reliable preservation of saved fonts, groups, and site settings during updates.
- Improved font application in new tabs and pages that are already open.
- Font group changes and site/global switches now update pages without reloading.
- More consistent language and font-weight mappings and previews.
- Improved large font imports, progress reporting, and cancellation, along with other bug fixes. 3.3 Sep 10 Sharper Font Mapping, More Reliable Import

- Improved per-language style mapping
- Better preview/apply consistency
- More reliable large-font conversion and cancel flow
- Fixed preview/delete-related bugs 3.2 Apr 1 This update focuses on core improvements to font import and management.

- Added multi-font import
- Improved import progress and cancellation reliability
- Better font/group reordering (drag to sort)
- Improved character preview and mapping accuracy 3.1 Mar 28 This update makes font customization smoother and easier to use.

- Improved font registration and management flow
- Better per-site font group selection experience
- Improved accuracy for language-based font mapping
- Enhanced preview experience
(numbers/symbols first, your language first, paragraph-focused preview)
- Refined UI polish with better Dark Mode quality
- Overall stability and performance improvements 3.0 Mar 23 Faster font loading and increased storage capacity
New option to enable/disable features per website 2.0 12/07/2025 "Improve font application stability" 1.14 11/19/2024 "Fix font upload issues again" 1.13 11/18/2024 "Fix font upload issues" 1.12 11/15/2024 "Fix font loading issues on specific sites"
"Improve font storage performance, need to reapply font" 1.11 11/15/2024 "Fix font loading issues on specific sites"
"Improve font storage performance, need to reapply font" 1.10 11/14/2024 "Fix font loading issues on specific sites"
"Improve font storage performance, need to reapply font" 1.9 11/12/2024 "Handling special character font exceptions on specific sites" 1.8 04/12/2023 "Handling special character font exceptions on specific sites" 1.7 01/26/2023 "Handling special character font exceptions on specific sites" 1.6 10/19/2022 "Bug fix" 1.5 09/09/2022 "Fixed the limit message was displayed as 3MB"
"Fixed the font could not be changed in iOS 15.4" 1.4 02/12/2022 "Font loading speed is a little bit faster"
"Changed font size limit to 4MB" 1.3 01/28/2022 "Reduced font loading on unnecessary pages" 1.2 01/21/2022 "Add how to set up extensions" 1.1 11/01/2021 1.0 10/13/2021