diff --git a/src/lib/components/hero.svelte b/src/lib/components/hero.svelte
index 108e45e..70dd613 100644
--- a/src/lib/components/hero.svelte
+++ b/src/lib/components/hero.svelte
@@ -24,7 +24,7 @@
                 <img class="bg1" style="right: {(current - 3) * 100}%;" src="/screenshots/heaventaker/heaventaker.webp" alt="">
                 <img class="bg2" style="right: {(current - 2) * 100}%;" src="/screenshots/animasher.webp" alt="">
                 <img class="bg3" style="right: {(current - 1) * 100}%;" src="/screenshots/tictactoe.png" alt="">
-                <img class="bg4" style="right: {(current - 0) * 100}%;" src="/screenshots/mangadex.png" alt="">
+                <img class="bg4" style="right: {(current - 0) * 100}%;" src="/screenshots/mangadex.webp" alt="">
             {/if}
         </div>
     {/each}
diff --git a/src/lib/components/home/projects.svelte b/src/lib/components/home/projects.svelte
index 36a3679..af08c4e 100644
--- a/src/lib/components/home/projects.svelte
+++ b/src/lib/components/home/projects.svelte
@@ -54,7 +54,7 @@
         <div class="pad"></div>
         <Project
             link="https://manga.danbulant.eu"
-            image="/screenshots/mangadex.png"
+            image="/screenshots/mangadex.webp"
             grayscale={appTypeHover && appTypeHover !== "websites"}
             width={803}
             height={382}
diff --git a/src/lib/components/home/technologyList.svelte b/src/lib/components/home/technologyList.svelte
index 772032c..1083513 100644
--- a/src/lib/components/home/technologyList.svelte
+++ b/src/lib/components/home/technologyList.svelte
@@ -21,7 +21,7 @@
                 Rust
             </li>
             <li on:click={() => technologySelected = "x11"} on:keydown={() => technologySelected = "x11"}>
-                <img src="/tech/x11.png" alt="" draggable={false} />
+                <img src="/tech/x11.webp" alt="" draggable={false} />
                 X11
             </li>
             <li on:click={() => technologySelected = "cs"} on:keydown={() => technologySelected = "cs"}>
diff --git a/src/routes/posts/rust-basics/+page.md b/src/routes/posts/rust-basics/+page.md
index 1b21370..baf13c4 100644
--- a/src/routes/posts/rust-basics/+page.md
+++ b/src/routes/posts/rust-basics/+page.md
@@ -3,8 +3,8 @@ title: Rust basics, from the perspective of a high level programmer
 date: 2022-03-17
 author: Daniel Bulant
 authorIcon: /logo.png
-thumbnail: /posts/rust-basics/ferris.jpg
-bigThumbnail: /posts/rust-basics/ferris.jpg
+thumbnail: /posts/rust-basics/ferris.webp
+bigThumbnail: /posts/rust-basics/ferris.webp
 categories: [programming, rust]
 description: Rust is a fast memory-safe low level programming language. And here's how I got started with it.
 ---
diff --git a/src/routes/posts/writing-personal-home-page/+page.md b/src/routes/posts/writing-personal-home-page/+page.md
index a620ecf..7e8e3f2 100644
--- a/src/routes/posts/writing-personal-home-page/+page.md
+++ b/src/routes/posts/writing-personal-home-page/+page.md
@@ -3,7 +3,7 @@ title: Writing my personal home page
 date: 2022-03-11
 author: Daniel Bulant
 authorIcon: /logo.png
-thumbnail: /posts/writing-personal-home-page/2020-website-square.png
+thumbnail: /posts/writing-personal-home-page/2020-website-square.webp
 bigThumbnail: /posts/writing-personal-home-page/2020-website.png
 categories: [programming, svelte]
 description: So I added blog to my personal home page.
diff --git a/static/posts/rust-basics/ferris.webp b/static/posts/rust-basics/ferris.webp
new file mode 100644
index 0000000..9464d24
Binary files /dev/null and b/static/posts/rust-basics/ferris.webp differ
diff --git a/static/posts/writing-personal-home-page/2020-website-square.webp b/static/posts/writing-personal-home-page/2020-website-square.webp
new file mode 100644
index 0000000..0d64847
Binary files /dev/null and b/static/posts/writing-personal-home-page/2020-website-square.webp differ
diff --git a/static/screenshots/mangadex.jfif b/static/screenshots/mangadex.jfif
deleted file mode 100644
index 61046c1..0000000
Binary files a/static/screenshots/mangadex.jfif and /dev/null differ
diff --git a/static/screenshots/mangadex.webp b/static/screenshots/mangadex.webp
index 56be9b7..d773ad6 100644
Binary files a/static/screenshots/mangadex.webp and b/static/screenshots/mangadex.webp differ
diff --git a/static/screenshots/thetutorials.jpg b/static/screenshots/thetutorials.jpg
deleted file mode 100644
index 469cf60..0000000
Binary files a/static/screenshots/thetutorials.jpg and /dev/null differ
diff --git a/static/screenshots/tictactoe.webp b/static/screenshots/tictactoe.webp
new file mode 100644
index 0000000..541f810
Binary files /dev/null and b/static/screenshots/tictactoe.webp differ
diff --git a/static/tech/x11.webp b/static/tech/x11.webp
new file mode 100644
index 0000000..375b8a6
Binary files /dev/null and b/static/tech/x11.webp differ