diff --git a/.github/FUNDING.yml b/.github/FUNDING.yml
new file mode 100644
index 0000000..3ef416e
--- /dev/null
+++ b/.github/FUNDING.yml
@@ -0,0 +1,2 @@
+# Enables the "Sponsor" button on the repository page.
+github: wiltodelta
diff --git a/README.md b/README.md
index de565b0..dc03886 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,10 @@ Remove **visible** and **invisible** AI watermarks from images generated by Goog
 
 Strips SynthID, C2PA Content Credentials, EXIF/XMP "Made with AI" labels, and visible sparkle overlays — all in one command.
 
+[![Sponsor](https://img.shields.io/badge/Sponsor-GitHub-db61a2?logo=githubsponsors&logoColor=white)](https://github.com/sponsors/wiltodelta)
+
+If this tool saves you time, consider [sponsoring its development](https://github.com/sponsors/wiltodelta).
+
 ## Features
 
 - **Visible watermark removal** — Gemini / Nano Banana sparkle logo via reverse alpha blending (fast, offline, deterministic)