diff --git a/README.md b/README.md
index ab4c54b..2269610 100644
--- a/README.md
+++ b/README.md
@@ -18,6 +18,7 @@
- [Hello example](https://nlepage.github.io/go-wasm-http-server/hello) ([sources](https://github.com/nlepage/go-wasm-http-server/tree/master/docs/hello))
- [Hello example with state](https://nlepage.github.io/go-wasm-http-server/hello-state) ([sources](https://github.com/nlepage/go-wasm-http-server/tree/master/docs/hello-state))
- [Hello example with state and keepalive](https://nlepage.github.io/go-wasm-http-server/hello-state-keepalive) ([sources](https://github.com/nlepage/go-wasm-http-server/tree/master/docs/hello-state-keepalive))
+ - [Simulate large file](https://nlepage.github.io/go-wasm-http-server/simulate-large-file) ([sources](https://github.com/nlepage/go-wasm-http-server/tree/master/docs/simulate-large-file))
- [😺 Catption generator example](https://nlepage.github.io/catption/wasm) ([sources](https://github.com/nlepage/catption/tree/wasm))
- [Random password generator web server](https://nlepage.github.io/random-password-please/) ([sources](https://github.com/nlepage/random-password-please) forked from [jbarham/random-password-please](https://github.com/jbarham/random-password-please))
diff --git a/docs/simulate-large-file/api.go b/docs/simulate-large-file/api.go
new file mode 100644
index 0000000..0efc173
--- /dev/null
+++ b/docs/simulate-large-file/api.go
@@ -0,0 +1,50 @@
+package main
+
+import (
+ "net/http"
+ "strconv"
+
+ wasmhttp "github.com/nlepage/go-wasm-http-server"
+)
+
+func main() {
+
+ one_kb := ""
+ for i := 0; i < 1024; i++ {
+ one_kb += "0"
+ }
+
+ http.HandleFunc("/create-file-by-size", func(res http.ResponseWriter, req *http.Request) {
+ vars := req.URL.Query()
+ size, ok := vars["size"]
+ if !ok {
+ res.WriteHeader(http.StatusBadRequest)
+ res.Write([]byte("URL must have size parameter."))
+ return
+ }
+
+ targetSize, err := strconv.ParseInt(size[0], 0, 0)
+
+ if err != nil {
+ res.WriteHeader(http.StatusBadRequest)
+ res.Write([]byte("Size must be 0 or a positive integer."))
+ return
+ }
+
+ if targetSize < 0 || targetSize > 300 {
+ res.WriteHeader(http.StatusBadRequest)
+ res.Write([]byte("Size must be >= 0 and <= 300."))
+ return
+ }
+
+ res.Header().Set("Content-Type", "application/octet-stream")
+ res.Header().Set("Content-Disposition", "attachment;filename=size-file")
+ for i := int64(1); i <= 1024*targetSize; i++ {
+ res.Write([]byte(one_kb))
+ }
+ })
+
+ wasmhttp.Serve(nil)
+
+ select {}
+}
diff --git a/docs/simulate-large-file/api.wasm b/docs/simulate-large-file/api.wasm
new file mode 100755
index 0000000..78cfd34
Binary files /dev/null and b/docs/simulate-large-file/api.wasm differ
diff --git a/docs/simulate-large-file/index.html b/docs/simulate-large-file/index.html
new file mode 100644
index 0000000..2618ff8
--- /dev/null
+++ b/docs/simulate-large-file/index.html
@@ -0,0 +1,48 @@
+
+
+
+
+
+ go-wasm-http-server: simulate large file
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/docs/simulate-large-file/sw.js b/docs/simulate-large-file/sw.js
new file mode 100644
index 0000000..4c2064a
--- /dev/null
+++ b/docs/simulate-large-file/sw.js
@@ -0,0 +1,11 @@
+importScripts('https://cdn.jsdelivr.net/gh/nlepage/go-wasm-http-server@v1.0.0/sw.js')
+
+addEventListener('install', (event) => {
+ event.waitUntil(skipWaiting())
+})
+
+addEventListener('activate', event => {
+ event.waitUntil(clients.claim())
+})
+
+registerWasmHTTPListener('api.wasm', { base: 'api' })
\ No newline at end of file