diff --git a/platform/src/components/aws/ssr-site.ts b/platform/src/components/aws/ssr-site.ts
index fe6b53eec..9409d1e1b 100644
--- a/platform/src/components/aws/ssr-site.ts
+++ b/platform/src/components/aws/ssr-site.ts
@@ -20,13 +20,12 @@ import { Input } from "../input.js";
 import { transform, type Prettify, type Transform } from "../component.js";
 import { VisibleError } from "../error.js";
 import { Cron } from "./cron.js";
-import { BaseSiteFileOptions } from "../base/base-site.js";
+import { BaseSiteFileOptions, getContentType } from "../base/base-site.js";
 import { BaseSsrSiteArgs } from "../base/base-ssr-site.js";
 import {
   cloudfront,
   getPartitionOutput,
   getRegionOutput,
-  iam,
   lambda,
   types,
 } from "@pulumi/aws";
@@ -564,51 +563,6 @@ export function createServersAndDistribution(
       });
     }
 
-    function getContentType(filename: string, textEncoding: string) {
-      const ext = filename.endsWith(".well-known/site-association-json")
-        ? ".json"
-        : path.extname(filename);
-      const extensions = {
-        [".txt"]: { mime: "text/plain", isText: true },
-        [".htm"]: { mime: "text/html", isText: true },
-        [".html"]: { mime: "text/html", isText: true },
-        [".xhtml"]: { mime: "application/xhtml+xml", isText: true },
-        [".css"]: { mime: "text/css", isText: true },
-        [".js"]: { mime: "text/javascript", isText: true },
-        [".mjs"]: { mime: "text/javascript", isText: true },
-        [".apng"]: { mime: "image/apng", isText: false },
-        [".avif"]: { mime: "image/avif", isText: false },
-        [".gif"]: { mime: "image/gif", isText: false },
-        [".jpeg"]: { mime: "image/jpeg", isText: false },
-        [".jpg"]: { mime: "image/jpeg", isText: false },
-        [".png"]: { mime: "image/png", isText: false },
-        [".svg"]: { mime: "image/svg+xml", isText: true },
-        [".bmp"]: { mime: "image/bmp", isText: false },
-        [".tiff"]: { mime: "image/tiff", isText: false },
-        [".webp"]: { mime: "image/webp", isText: false },
-        [".ico"]: { mime: "image/vnd.microsoft.icon", isText: false },
-        [".eot"]: { mime: "application/vnd.ms-fontobject", isText: false },
-        [".ttf"]: { mime: "font/ttf", isText: false },
-        [".otf"]: { mime: "font/otf", isText: false },
-        [".woff"]: { mime: "font/woff", isText: false },
-        [".woff2"]: { mime: "font/woff2", isText: false },
-        [".json"]: { mime: "application/json", isText: true },
-        [".jsonld"]: { mime: "application/ld+json", isText: true },
-        [".xml"]: { mime: "application/xml", isText: true },
-        [".pdf"]: { mime: "application/pdf", isText: false },
-        [".zip"]: { mime: "application/zip", isText: false },
-        [".wasm"]: { mime: "application/wasm", isText: false },
-        [".webmanifest"]: { mime: "application/manifest+json", isText: true },
-      };
-      const extensionData = extensions[ext as keyof typeof extensions];
-      const mime = extensionData?.mime ?? "application/octet-stream";
-      const charset =
-        extensionData?.isText && textEncoding !== "none"
-          ? `;charset=${textEncoding}`
-          : "";
-      return `${mime}${charset}`;
-    }
-
     function createEdgeFunctions() {
       const functions: Record<string, Function> = {};
 
diff --git a/platform/src/components/aws/static-site.ts b/platform/src/components/aws/static-site.ts
index 556ce5fd4..9651cf386 100644
--- a/platform/src/components/aws/static-site.ts
+++ b/platform/src/components/aws/static-site.ts
@@ -15,13 +15,14 @@ import { Link } from "../link.js";
 import { Input } from "../input.js";
 import { globSync } from "glob";
 import { BucketFile, BucketFiles } from "./providers/bucket-files.js";
+import { getContentType } from "../base/base-site.js";
 import {
   BaseStaticSiteArgs,
   BaseStaticSiteAssets,
   buildApp,
   prepare,
 } from "../base/base-static-site.js";
-import { cloudfront, iam, s3 } from "@pulumi/aws";
+import { cloudfront, s3 } from "@pulumi/aws";
 import { URL_UNAVAILABLE } from "./linkable.js";
 import { DevArgs } from "../dev.js";
 import { OriginAccessControl } from "./providers/origin-access-control.js";
@@ -775,7 +776,8 @@ export class StaticSite extends Component implements Link.Linkable {
                   key: path.posix.join(assets.path ?? "", file),
                   hash,
                   cacheControl: fileOption.cacheControl,
-                  contentType: getContentType(file, "UTF-8"),
+                  contentType:
+                    fileOption.contentType ?? getContentType(file, "UTF-8"),
                 };
               }),
             )),
@@ -795,50 +797,6 @@ export class StaticSite extends Component implements Link.Linkable {
       });
     }
 
-    function getContentType(filename: string, textEncoding: string) {
-      const ext = filename.endsWith(".well-known/site-association-json")
-        ? ".json"
-        : path.extname(filename);
-      const extensions = {
-        [".txt"]: { mime: "text/plain", isText: true },
-        [".htm"]: { mime: "text/html", isText: true },
-        [".html"]: { mime: "text/html", isText: true },
-        [".xhtml"]: { mime: "application/xhtml+xml", isText: true },
-        [".css"]: { mime: "text/css", isText: true },
-        [".js"]: { mime: "text/javascript", isText: true },
-        [".mjs"]: { mime: "text/javascript", isText: true },
-        [".apng"]: { mime: "image/apng", isText: false },
-        [".avif"]: { mime: "image/avif", isText: false },
-        [".gif"]: { mime: "image/gif", isText: false },
-        [".jpeg"]: { mime: "image/jpeg", isText: false },
-        [".jpg"]: { mime: "image/jpeg", isText: false },
-        [".png"]: { mime: "image/png", isText: false },
-        [".svg"]: { mime: "image/svg+xml", isText: true },
-        [".bmp"]: { mime: "image/bmp", isText: false },
-        [".tiff"]: { mime: "image/tiff", isText: false },
-        [".webp"]: { mime: "image/webp", isText: false },
-        [".ico"]: { mime: "image/vnd.microsoft.icon", isText: false },
-        [".eot"]: { mime: "application/vnd.ms-fontobject", isText: false },
-        [".ttf"]: { mime: "font/ttf", isText: false },
-        [".otf"]: { mime: "font/otf", isText: false },
-        [".woff"]: { mime: "font/woff", isText: false },
-        [".woff2"]: { mime: "font/woff2", isText: false },
-        [".json"]: { mime: "application/json", isText: true },
-        [".jsonld"]: { mime: "application/ld+json", isText: true },
-        [".xml"]: { mime: "application/xml", isText: true },
-        [".pdf"]: { mime: "application/pdf", isText: false },
-        [".zip"]: { mime: "application/zip", isText: false },
-        [".wasm"]: { mime: "application/wasm", isText: false },
-      };
-      const extensionData = extensions[ext as keyof typeof extensions];
-      const mime = extensionData?.mime ?? "application/octet-stream";
-      const charset =
-        extensionData?.isText && textEncoding !== "none"
-          ? `;charset=${textEncoding}`
-          : "";
-      return `${mime}${charset}`;
-    }
-
     function createDistribution() {
       return new Cdn(
         ...transform(
diff --git a/platform/src/components/base/base-site.ts b/platform/src/components/base/base-site.ts
index 076ad6df9..abb77a63c 100644
--- a/platform/src/components/base/base-site.ts
+++ b/platform/src/components/base/base-site.ts
@@ -1,3 +1,4 @@
+import path from "path";
 import { Semaphore } from "../../util/semaphore";
 
 export interface BaseSiteFileOptions {
@@ -23,3 +24,48 @@ export interface BaseSiteFileOptions {
 export const limiter = new Semaphore(
   parseInt(process.env.SST_SITE_BUILD_CONCURRENCY || "4"),
 );
+
+export function getContentType(filename: string, textEncoding: string) {
+  const ext = filename.endsWith(".well-known/site-association-json")
+    ? ".json"
+    : path.extname(filename);
+  const extensions = {
+    [".txt"]: { mime: "text/plain", isText: true },
+    [".htm"]: { mime: "text/html", isText: true },
+    [".html"]: { mime: "text/html", isText: true },
+    [".xhtml"]: { mime: "application/xhtml+xml", isText: true },
+    [".css"]: { mime: "text/css", isText: true },
+    [".js"]: { mime: "text/javascript", isText: true },
+    [".mjs"]: { mime: "text/javascript", isText: true },
+    [".apng"]: { mime: "image/apng", isText: false },
+    [".avif"]: { mime: "image/avif", isText: false },
+    [".gif"]: { mime: "image/gif", isText: false },
+    [".jpeg"]: { mime: "image/jpeg", isText: false },
+    [".jpg"]: { mime: "image/jpeg", isText: false },
+    [".png"]: { mime: "image/png", isText: false },
+    [".svg"]: { mime: "image/svg+xml", isText: true },
+    [".bmp"]: { mime: "image/bmp", isText: false },
+    [".tiff"]: { mime: "image/tiff", isText: false },
+    [".webp"]: { mime: "image/webp", isText: false },
+    [".ico"]: { mime: "image/vnd.microsoft.icon", isText: false },
+    [".eot"]: { mime: "application/vnd.ms-fontobject", isText: false },
+    [".ttf"]: { mime: "font/ttf", isText: false },
+    [".otf"]: { mime: "font/otf", isText: false },
+    [".woff"]: { mime: "font/woff", isText: false },
+    [".woff2"]: { mime: "font/woff2", isText: false },
+    [".json"]: { mime: "application/json", isText: true },
+    [".jsonld"]: { mime: "application/ld+json", isText: true },
+    [".xml"]: { mime: "application/xml", isText: true },
+    [".pdf"]: { mime: "application/pdf", isText: false },
+    [".zip"]: { mime: "application/zip", isText: false },
+    [".wasm"]: { mime: "application/wasm", isText: false },
+    [".webmanifest"]: { mime: "application/manifest+json", isText: true },
+  };
+  const extensionData = extensions[ext as keyof typeof extensions];
+  const mime = extensionData?.mime ?? "application/octet-stream";
+  const charset =
+    extensionData?.isText && textEncoding !== "none"
+      ? `;charset=${textEncoding}`
+      : "";
+  return `${mime}${charset}`;
+}
diff --git a/platform/src/components/cloudflare/ssr-site.ts b/platform/src/components/cloudflare/ssr-site.ts
index b0c2ed147..9b29bdf02 100644
--- a/platform/src/components/cloudflare/ssr-site.ts
+++ b/platform/src/components/cloudflare/ssr-site.ts
@@ -6,7 +6,7 @@ import { Output, Unwrap, output, all, ComponentResource } from "@pulumi/pulumi";
 import { Input } from "../input.js";
 import { transform, type Transform } from "../component.js";
 import { VisibleError } from "../error.js";
-import { BaseSiteFileOptions } from "../base/base-site.js";
+import { BaseSiteFileOptions, getContentType } from "../base/base-site.js";
 import { BaseSsrSiteArgs } from "../base/base-ssr-site.js";
 import { Kv, KvArgs } from "./kv.js";
 import { Worker, WorkerArgs } from "./worker.js";
@@ -142,7 +142,8 @@ export function createRouter(
                     key: path.posix.join(copy.to, file),
                     hash,
                     cacheControl: fileOption.cacheControl,
-                    contentType: getContentType(file, "UTF-8"),
+                    contentType:
+                      fileOption.contentType ?? getContentType(file, "UTF-8"),
                   };
                 }),
               )),
@@ -173,50 +174,6 @@ export function createRouter(
       );
     }
 
-    function getContentType(filename: string, textEncoding: string) {
-      const ext = filename.endsWith(".well-known/site-association-json")
-        ? ".json"
-        : path.extname(filename);
-      const extensions = {
-        [".txt"]: { mime: "text/plain", isText: true },
-        [".htm"]: { mime: "text/html", isText: true },
-        [".html"]: { mime: "text/html", isText: true },
-        [".xhtml"]: { mime: "application/xhtml+xml", isText: true },
-        [".css"]: { mime: "text/css", isText: true },
-        [".js"]: { mime: "text/javascript", isText: true },
-        [".mjs"]: { mime: "text/javascript", isText: true },
-        [".apng"]: { mime: "image/apng", isText: false },
-        [".avif"]: { mime: "image/avif", isText: false },
-        [".gif"]: { mime: "image/gif", isText: false },
-        [".jpeg"]: { mime: "image/jpeg", isText: false },
-        [".jpg"]: { mime: "image/jpeg", isText: false },
-        [".png"]: { mime: "image/png", isText: false },
-        [".svg"]: { mime: "image/svg+xml", isText: true },
-        [".bmp"]: { mime: "image/bmp", isText: false },
-        [".tiff"]: { mime: "image/tiff", isText: false },
-        [".webp"]: { mime: "image/webp", isText: false },
-        [".ico"]: { mime: "image/vnd.microsoft.icon", isText: false },
-        [".eot"]: { mime: "application/vnd.ms-fontobject", isText: false },
-        [".ttf"]: { mime: "font/ttf", isText: false },
-        [".otf"]: { mime: "font/otf", isText: false },
-        [".woff"]: { mime: "font/woff", isText: false },
-        [".woff2"]: { mime: "font/woff2", isText: false },
-        [".json"]: { mime: "application/json", isText: true },
-        [".jsonld"]: { mime: "application/ld+json", isText: true },
-        [".xml"]: { mime: "application/xml", isText: true },
-        [".pdf"]: { mime: "application/pdf", isText: false },
-        [".zip"]: { mime: "application/zip", isText: false },
-        [".wasm"]: { mime: "application/wasm", isText: false },
-      };
-      const extensionData = extensions[ext as keyof typeof extensions];
-      const mime = extensionData?.mime ?? "application/octet-stream";
-      const charset =
-        extensionData?.isText && textEncoding !== "none"
-          ? `;charset=${textEncoding}`
-          : "";
-      return `${mime}${charset}`;
-    }
-
     function createServerWorker() {
       return new Worker(
         `${name}Server`,
diff --git a/platform/src/components/cloudflare/static-site.ts b/platform/src/components/cloudflare/static-site.ts
index f60617141..2e16d055b 100644
--- a/platform/src/components/cloudflare/static-site.ts
+++ b/platform/src/components/cloudflare/static-site.ts
@@ -1,7 +1,7 @@
 import fs from "fs";
 import path from "path";
 import crypto from "crypto";
-import { ComponentResourceOptions, Output, all } from "@pulumi/pulumi";
+import { ComponentResourceOptions, all } from "@pulumi/pulumi";
 import { Kv, KvArgs } from "./kv.js";
 import { Component, Transform, transform } from "../component.js";
 import { Link } from "../link.js";
@@ -9,6 +9,7 @@ import { Input } from "../input.js";
 import { globSync } from "glob";
 import { KvData } from "./providers/kv-data.js";
 import { Worker } from "./worker.js";
+import { getContentType } from "../base/base-site.js";
 import {
   BaseStaticSiteArgs,
   BaseStaticSiteAssets,
@@ -339,7 +340,8 @@ export class StaticSite extends Component implements Link.Linkable {
                     key: file,
                     hash,
                     cacheControl: fileOption.cacheControl,
-                    contentType: getContentType(file, "UTF-8"),
+                    contentType:
+                      fileOption.contentType ?? getContentType(file, "UTF-8"),
                   };
                 }),
               )),
@@ -371,50 +373,6 @@ export class StaticSite extends Component implements Link.Linkable {
       );
     }
 
-    function getContentType(filename: string, textEncoding: string) {
-      const ext = filename.endsWith(".well-known/site-association-json")
-        ? ".json"
-        : path.extname(filename);
-      const extensions = {
-        [".txt"]: { mime: "text/plain", isText: true },
-        [".htm"]: { mime: "text/html", isText: true },
-        [".html"]: { mime: "text/html", isText: true },
-        [".xhtml"]: { mime: "application/xhtml+xml", isText: true },
-        [".css"]: { mime: "text/css", isText: true },
-        [".js"]: { mime: "text/javascript", isText: true },
-        [".mjs"]: { mime: "text/javascript", isText: true },
-        [".apng"]: { mime: "image/apng", isText: false },
-        [".avif"]: { mime: "image/avif", isText: false },
-        [".gif"]: { mime: "image/gif", isText: false },
-        [".jpeg"]: { mime: "image/jpeg", isText: false },
-        [".jpg"]: { mime: "image/jpeg", isText: false },
-        [".png"]: { mime: "image/png", isText: false },
-        [".svg"]: { mime: "image/svg+xml", isText: true },
-        [".bmp"]: { mime: "image/bmp", isText: false },
-        [".tiff"]: { mime: "image/tiff", isText: false },
-        [".webp"]: { mime: "image/webp", isText: false },
-        [".ico"]: { mime: "image/vnd.microsoft.icon", isText: false },
-        [".eot"]: { mime: "application/vnd.ms-fontobject", isText: false },
-        [".ttf"]: { mime: "font/ttf", isText: false },
-        [".otf"]: { mime: "font/otf", isText: false },
-        [".woff"]: { mime: "font/woff", isText: false },
-        [".woff2"]: { mime: "font/woff2", isText: false },
-        [".json"]: { mime: "application/json", isText: true },
-        [".jsonld"]: { mime: "application/ld+json", isText: true },
-        [".xml"]: { mime: "application/xml", isText: true },
-        [".pdf"]: { mime: "application/pdf", isText: false },
-        [".zip"]: { mime: "application/zip", isText: false },
-        [".wasm"]: { mime: "application/wasm", isText: false },
-      };
-      const extensionData = extensions[ext as keyof typeof extensions];
-      const mime = extensionData?.mime ?? "application/octet-stream";
-      const charset =
-        extensionData?.isText && textEncoding !== "none"
-          ? `;charset=${textEncoding}`
-          : "";
-      return `${mime}${charset}`;
-    }
-
     function createRouter() {
       return new Worker(
         `${name}Router`,