diff --git a/assets/apple-touch-icon.png b/assets/apple-touch-icon.png
index ed7e14368c..f03fde92f7 100644
Binary files a/assets/apple-touch-icon.png and b/assets/apple-touch-icon.png differ
diff --git a/assets/favicon.ico b/assets/favicon.ico
deleted file mode 100644
index 5b61e8a592..0000000000
Binary files a/assets/favicon.ico and /dev/null differ
diff --git a/assets/favicon.png b/assets/favicon.png
new file mode 100644
index 0000000000..a266a45796
Binary files /dev/null and b/assets/favicon.png differ
diff --git a/assets/favicon/favicon.png b/assets/favicon/favicon.png
deleted file mode 100644
index 88ed86cc3a..0000000000
Binary files a/assets/favicon/favicon.png and /dev/null differ
diff --git a/assets/favicon/favicon.svg b/assets/favicon/favicon.svg
deleted file mode 100644
index b0ff390676..0000000000
--- a/assets/favicon/favicon.svg
+++ /dev/null
@@ -1,53 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<svg
-   xmlns:dc="http://purl.org/dc/elements/1.1/"
-   xmlns:cc="http://creativecommons.org/ns#"
-   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
-   xmlns:svg="http://www.w3.org/2000/svg"
-   xmlns="http://www.w3.org/2000/svg"
-   id="svg8"
-   version="1.1"
-   viewBox="0 0 135.46667 135.46667"
-   height="512"
-   width="512">
-  <defs
-     id="defs2" />
-  <metadata
-     id="metadata5">
-    <rdf:RDF>
-      <cc:Work
-         rdf:about="">
-        <dc:format>image/svg+xml</dc:format>
-        <dc:type
-           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
-        <dc:title></dc:title>
-      </cc:Work>
-    </rdf:RDF>
-  </metadata>
-  <g
-     style="fill:#2fa3bc;fill-opacity:1"
-     transform="translate(-30.809093,-111.78601)"
-     id="layer1">
-    <g
-       style="fill:#2fa3bc;fill-opacity:1"
-       transform="matrix(1.096096,0,0,1.096096,-2.960633,-44.023579)"
-       id="g4502">
-      <g
-         id="g5125"
-         transform="translate(-1.3333333e-6,-1.3439941e-6)"
-         style="fill:#2fa3bc;fill-opacity:1">
-        <g
-           aria-label="Mi"
-           style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:141.03404236px;line-height:476.69509888px;font-family:'OTADESIGN Rounded';-inkscape-font-specification:'OTADESIGN Rounded';letter-spacing:0px;word-spacing:0px;fill:#2fa3bc;fill-opacity:1;stroke:none;stroke-width:0.28950602px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
-           id="text4489"
-           transform="matrix(0.91391326,0,0,0.91391326,7.9719907,17.595761)">
-          <path
-             id="path5210"
-             transform="matrix(0.26412464,0,0,0.26412464,24.988264,136.28626)"
-             d="m 62.474609,76.585938 c -7.47555,0 -14.595784,1.246427 -21.359375,3.738281 C 29.011968,84.595952 19.044417,92.249798 11.212891,103.28516 3.7373405,113.96451 0,125.88934 0,139.06055 v 233.8789 c 0,17.08697 6.0510264,31.85913 18.154297,44.31836 12.459246,12.10327 27.233346,18.15625 44.320312,18.15625 17.442947,0 32.215089,-6.05298 44.318361,-18.15625 12.45925,-12.45923 18.68945,-27.23139 18.68945,-44.31836 V 330.4082 c 0.13441,-9.21122 9.6225,-6.79429 14.41797,0 8.98111,15.55395 28.02226,28.91242 50.19141,28.83594 22.16915,-0.0764 40.58194,-11.03699 50.19336,-28.83594 3.63981,-4.29263 13.89902,-11.60675 14.95117,0 v 42.53125 c 0,17.08697 6.05102,31.85913 18.15429,44.31836 12.45923,12.10327 27.23335,18.15625 44.32032,18.15625 17.44294,0 32.21509,-6.05298 44.31836,-18.15625 12.45923,-12.45923 18.68945,-27.23139 18.68945,-44.31836 v -233.8789 c 0,-13.17121 -3.9146,-25.09604 -11.74609,-35.77539 -7.47557,-11.035362 -17.26588,-18.689208 -29.36914,-22.960941 -7.11956,-2.491854 -14.23982,-3.738281 -21.35938,-3.738281 -19.22286,0 -35.41865,7.476649 -48.58984,22.427734 l -63.40235,74.199218 c -1.42391,1.06791 -6.14093,9.23242 -16.16015,9.23242 -10.01923,0 -14.20109,-8.16451 -15.625,-9.23242 L 110.53125,99.013672 C 97.716024,84.062587 81.697447,76.585938 62.474609,76.585938 Z m 395.060551,0 c -14.9511,-10e-7 -27.76596,5.340179 -38.44532,16.019531 -10.32338,10.323381 -15.48437,22.961011 -15.48437,37.912111 0,14.9511 5.16099,27.76596 15.48437,38.44531 10.67936,10.32338 23.49422,15.48633 38.44532,15.48633 14.95109,0 27.76596,-5.16295 38.44531,-15.48633 C 506.65982,158.28354 512,145.46868 512,130.51758 512,115.56648 506.65982,102.92885 495.98047,92.605469 485.30112,81.926117 472.48625,76.585938 457.53516,76.585938 Z m 0.5332,118.541012 c -14.9511,0 -27.76596,5.34018 -38.44531,16.01953 -10.67936,10.67936 -16.01758,23.49422 -16.01758,38.44532 v 131.89062 c 0,14.9511 5.33822,27.76596 16.01758,38.44531 10.67935,10.32339 23.49421,15.48633 38.44531,15.48633 14.9511,0 27.58873,-5.16294 37.91211,-15.48633 C 506.65982,409.24838 512,396.43352 512,381.48242 V 249.5918 c 0,-14.9511 -5.34018,-27.76596 -16.01953,-38.44532 -10.32338,-10.67935 -22.96101,-16.01953 -37.91211,-16.01953 z"
-             style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-family:'OTADESIGN Rounded';-inkscape-font-specification:'OTADESIGN Rounded';fill:#2fa3bc;fill-opacity:1;stroke-width:1.09609616px" />
-        </g>
-      </g>
-    </g>
-  </g>
-</svg>
diff --git a/assets/icons/128.png b/assets/icons/128.png
deleted file mode 100644
index a0682baf69..0000000000
Binary files a/assets/icons/128.png and /dev/null differ
diff --git a/assets/icons/16.png b/assets/icons/16.png
deleted file mode 100644
index 138bb83c5f..0000000000
Binary files a/assets/icons/16.png and /dev/null differ
diff --git a/assets/icons/192.png b/assets/icons/192.png
index c07c112c17..0d4356e64a 100644
Binary files a/assets/icons/192.png and b/assets/icons/192.png differ
diff --git a/assets/icons/256.png b/assets/icons/256.png
deleted file mode 100644
index ed7e14368c..0000000000
Binary files a/assets/icons/256.png and /dev/null differ
diff --git a/assets/icons/32.png b/assets/icons/32.png
deleted file mode 100644
index 54a8da6452..0000000000
Binary files a/assets/icons/32.png and /dev/null differ
diff --git a/assets/icons/512.png b/assets/icons/512.png
index 66abba2d0d..7a659e2b3f 100644
Binary files a/assets/icons/512.png and b/assets/icons/512.png differ
diff --git a/assets/icons/64.png b/assets/icons/64.png
deleted file mode 100644
index d658f0b4e0..0000000000
Binary files a/assets/icons/64.png and /dev/null differ
diff --git a/assets/icons/icon.svg b/assets/icons/icon.svg
deleted file mode 100644
index 842a5a885f..0000000000
--- a/assets/icons/icon.svg
+++ /dev/null
@@ -1,91 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<svg
-   xmlns:dc="http://purl.org/dc/elements/1.1/"
-   xmlns:cc="http://creativecommons.org/ns#"
-   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
-   xmlns:svg="http://www.w3.org/2000/svg"
-   xmlns="http://www.w3.org/2000/svg"
-   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
-   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
-   id="svg8"
-   version="1.1"
-   viewBox="0 0 135.46667 135.46667"
-   height="512"
-   width="512"
-   sodipodi:docname="icon.svg"
-   inkscape:version="0.92.4 (5da689c313, 2019-01-14)"
-   inkscape:export-filename="H:\misskey\assets\icons\512.png"
-   inkscape:export-xdpi="96"
-   inkscape:export-ydpi="96">
-  <sodipodi:namedview
-     pagecolor="#ffffff"
-     bordercolor="#666666"
-     borderopacity="1"
-     objecttolerance="10"
-     gridtolerance="10"
-     guidetolerance="10"
-     inkscape:pageopacity="0"
-     inkscape:pageshadow="2"
-     inkscape:window-width="1920"
-     inkscape:window-height="965"
-     id="namedview10"
-     showgrid="false"
-     inkscape:snap-bbox="true"
-     inkscape:bbox-nodes="true"
-     inkscape:snap-page="true"
-     inkscape:zoom="0.921875"
-     inkscape:cx="219.9952"
-     inkscape:cy="361.00053"
-     inkscape:window-x="-8"
-     inkscape:window-y="-8"
-     inkscape:window-maximized="1"
-     inkscape:current-layer="svg8" />
-  <defs
-     id="defs2" />
-  <metadata
-     id="metadata5">
-    <rdf:RDF>
-      <cc:Work
-         rdf:about="">
-        <dc:format>image/svg+xml</dc:format>
-        <dc:type
-           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
-        <dc:title></dc:title>
-      </cc:Work>
-    </rdf:RDF>
-  </metadata>
-  <rect
-     style="opacity:1;fill:#2ba3bc;fill-opacity:1;fill-rule:nonzero;stroke:none;stroke-width:1.32291675;stroke-linecap:square;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;paint-order:normal"
-     id="rect828"
-     width="135.46667"
-     height="135.46667"
-     x="1.896631e-16"
-     y="0" />
-  <g
-     transform="matrix(0.57430748,0,0,0.57430748,11.070705,-35.453717)"
-     id="layer1"
-     style="stroke-width:1.74122751;fill:#ffffff;fill-opacity:1">
-    <g
-       transform="matrix(1.096096,0,0,1.096096,-2.960633,-44.023579)"
-       id="g4502"
-       style="stroke-width:1.74122751;fill:#ffffff;fill-opacity:1">
-      <g
-         id="g5125"
-         transform="translate(-1.3333333e-6,-1.3439941e-6)"
-         style="fill:#ffffff;fill-opacity:1;stroke-width:1.74122751">
-        <g
-           aria-label="Mi"
-           style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:141.03404236px;line-height:476.69509888px;font-family:'OTADESIGN Rounded';-inkscape-font-specification:'OTADESIGN Rounded';letter-spacing:0px;word-spacing:0px;fill:#ffffff;fill-opacity:1;stroke:none;stroke-width:0.50409585px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
-           id="text4489"
-           transform="matrix(0.91391326,0,0,0.91391326,7.9719907,17.595761)">
-          <path
-             id="path5210"
-             transform="matrix(0.26412464,0,0,0.26412464,24.988264,136.28626)"
-             d="m 62.474609,76.585938 c -7.47555,0 -14.595784,1.246427 -21.359375,3.738281 C 29.011968,84.595952 19.044417,92.249798 11.212891,103.28516 3.7373405,113.96451 0,125.88934 0,139.06055 v 233.8789 c 0,17.08697 6.0510264,31.85913 18.154297,44.31836 12.459246,12.10327 27.233346,18.15625 44.320312,18.15625 17.442947,0 32.215089,-6.05298 44.318361,-18.15625 12.45925,-12.45923 18.68945,-27.23139 18.68945,-44.31836 V 330.4082 c 0.13441,-9.21122 9.6225,-6.79429 14.41797,0 8.98111,15.55395 28.02226,28.91242 50.19141,28.83594 22.16915,-0.0764 40.58194,-11.03699 50.19336,-28.83594 3.63981,-4.29263 13.89902,-11.60675 14.95117,0 v 42.53125 c 0,17.08697 6.05102,31.85913 18.15429,44.31836 12.45923,12.10327 27.23335,18.15625 44.32032,18.15625 17.44294,0 32.21509,-6.05298 44.31836,-18.15625 12.45923,-12.45923 18.68945,-27.23139 18.68945,-44.31836 v -233.8789 c 0,-13.17121 -3.9146,-25.09604 -11.74609,-35.77539 -7.47557,-11.035362 -17.26588,-18.689208 -29.36914,-22.960941 -7.11956,-2.491854 -14.23982,-3.738281 -21.35938,-3.738281 -19.22286,0 -35.41865,7.476649 -48.58984,22.427734 l -63.40235,74.199218 c -1.42391,1.06791 -6.14093,9.23242 -16.16015,9.23242 -10.01923,0 -14.20109,-8.16451 -15.625,-9.23242 L 110.53125,99.013672 C 97.716024,84.062587 81.697447,76.585938 62.474609,76.585938 Z m 395.060551,0 c -14.9511,-10e-7 -27.76596,5.340179 -38.44532,16.019531 -10.32338,10.323381 -15.48437,22.961011 -15.48437,37.912111 0,14.9511 5.16099,27.76596 15.48437,38.44531 10.67936,10.32338 23.49422,15.48633 38.44532,15.48633 14.95109,0 27.76596,-5.16295 38.44531,-15.48633 C 506.65982,158.28354 512,145.46868 512,130.51758 512,115.56648 506.65982,102.92885 495.98047,92.605469 485.30112,81.926117 472.48625,76.585938 457.53516,76.585938 Z m 0.5332,118.541012 c -14.9511,0 -27.76596,5.34018 -38.44531,16.01953 -10.67936,10.67936 -16.01758,23.49422 -16.01758,38.44532 v 131.89062 c 0,14.9511 5.33822,27.76596 16.01758,38.44531 10.67935,10.32339 23.49421,15.48633 38.44531,15.48633 14.9511,0 27.58873,-5.16294 37.91211,-15.48633 C 506.65982,409.24838 512,396.43352 512,381.48242 V 249.5918 c 0,-14.9511 -5.34018,-27.76596 -16.01953,-38.44532 -10.32338,-10.67935 -22.96101,-16.01953 -37.91211,-16.01953 z"
-             style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-family:'OTADESIGN Rounded';-inkscape-font-specification:'OTADESIGN Rounded';fill:#ffffff;fill-opacity:1;stroke-width:1.90855289px"
-             inkscape:connector-curvature="0" />
-        </g>
-      </g>
-    </g>
-  </g>
-</svg>
diff --git a/assets/mi.svg b/assets/mi.svg
deleted file mode 100644
index 8ceb12ad98..0000000000
--- a/assets/mi.svg
+++ /dev/null
@@ -1,51 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<svg
-   xmlns:dc="http://purl.org/dc/elements/1.1/"
-   xmlns:cc="http://creativecommons.org/ns#"
-   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
-   xmlns:svg="http://www.w3.org/2000/svg"
-   xmlns="http://www.w3.org/2000/svg"
-   id="svg8"
-   version="1.1"
-   viewBox="0 0 135.46667 135.46667"
-   height="512"
-   width="512">
-  <defs
-     id="defs2" />
-  <metadata
-     id="metadata5">
-    <rdf:RDF>
-      <cc:Work
-         rdf:about="">
-        <dc:format>image/svg+xml</dc:format>
-        <dc:type
-           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
-        <dc:title></dc:title>
-      </cc:Work>
-    </rdf:RDF>
-  </metadata>
-  <g
-     transform="translate(-30.809093,-111.78601)"
-     id="layer1">
-    <g
-       transform="matrix(1.096096,0,0,1.096096,-2.960633,-44.023579)"
-       id="g4502">
-      <g
-         id="g5125"
-         transform="translate(-1.3333333e-6,-1.3439941e-6)"
-         style="fill:#000000;fill-opacity:1">
-        <g
-           aria-label="Mi"
-           style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:141.03404236px;line-height:476.69509888px;font-family:'OTADESIGN Rounded';-inkscape-font-specification:'OTADESIGN Rounded';letter-spacing:0px;word-spacing:0px;fill:#000000;fill-opacity:1;stroke:none;stroke-width:0.28950602px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
-           id="text4489"
-           transform="matrix(0.91391326,0,0,0.91391326,7.9719907,17.595761)">
-          <path
-             id="path5210"
-             transform="matrix(0.26412464,0,0,0.26412464,24.988264,136.28626)"
-             d="m 62.474609,76.585938 c -7.47555,0 -14.595784,1.246427 -21.359375,3.738281 C 29.011968,84.595952 19.044417,92.249798 11.212891,103.28516 3.7373405,113.96451 0,125.88934 0,139.06055 v 233.8789 c 0,17.08697 6.0510264,31.85913 18.154297,44.31836 12.459246,12.10327 27.233346,18.15625 44.320312,18.15625 17.442947,0 32.215089,-6.05298 44.318361,-18.15625 12.45925,-12.45923 18.68945,-27.23139 18.68945,-44.31836 V 330.4082 c 0.13441,-9.21122 9.6225,-6.79429 14.41797,0 8.98111,15.55395 28.02226,28.91242 50.19141,28.83594 22.16915,-0.0764 40.58194,-11.03699 50.19336,-28.83594 3.63981,-4.29263 13.89902,-11.60675 14.95117,0 v 42.53125 c 0,17.08697 6.05102,31.85913 18.15429,44.31836 12.45923,12.10327 27.23335,18.15625 44.32032,18.15625 17.44294,0 32.21509,-6.05298 44.31836,-18.15625 12.45923,-12.45923 18.68945,-27.23139 18.68945,-44.31836 v -233.8789 c 0,-13.17121 -3.9146,-25.09604 -11.74609,-35.77539 -7.47557,-11.035362 -17.26588,-18.689208 -29.36914,-22.960941 -7.11956,-2.491854 -14.23982,-3.738281 -21.35938,-3.738281 -19.22286,0 -35.41865,7.476649 -48.58984,22.427734 l -63.40235,74.199218 c -1.42391,1.06791 -6.14093,9.23242 -16.16015,9.23242 -10.01923,0 -14.20109,-8.16451 -15.625,-9.23242 L 110.53125,99.013672 C 97.716024,84.062587 81.697447,76.585938 62.474609,76.585938 Z m 395.060551,0 c -14.9511,-10e-7 -27.76596,5.340179 -38.44532,16.019531 -10.32338,10.323381 -15.48437,22.961011 -15.48437,37.912111 0,14.9511 5.16099,27.76596 15.48437,38.44531 10.67936,10.32338 23.49422,15.48633 38.44532,15.48633 14.95109,0 27.76596,-5.16295 38.44531,-15.48633 C 506.65982,158.28354 512,145.46868 512,130.51758 512,115.56648 506.65982,102.92885 495.98047,92.605469 485.30112,81.926117 472.48625,76.585938 457.53516,76.585938 Z m 0.5332,118.541012 c -14.9511,0 -27.76596,5.34018 -38.44531,16.01953 -10.67936,10.67936 -16.01758,23.49422 -16.01758,38.44532 v 131.89062 c 0,14.9511 5.33822,27.76596 16.01758,38.44531 10.67935,10.32339 23.49421,15.48633 38.44531,15.48633 14.9511,0 27.58873,-5.16294 37.91211,-15.48633 C 506.65982,409.24838 512,396.43352 512,381.48242 V 249.5918 c 0,-14.9511 -5.34018,-27.76596 -16.01953,-38.44532 -10.32338,-10.67935 -22.96101,-16.01953 -37.91211,-16.01953 z"
-             style="font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-family:'OTADESIGN Rounded';-inkscape-font-specification:'OTADESIGN Rounded';fill:#000000;fill-opacity:1;stroke-width:1.09609616px" />
-        </g>
-      </g>
-    </g>
-  </g>
-</svg>
diff --git a/src/server/web/index.ts b/src/server/web/index.ts
index 57bcb855a1..a6ba3cbde7 100644
--- a/src/server/web/index.ts
+++ b/src/server/web/index.ts
@@ -37,7 +37,7 @@ app.use(views(__dirname + '/views', {
 }));
 
 // Serve favicon
-app.use(favicon(`${client}/assets/favicon.ico`));
+app.use(favicon(`${client}/assets/favicon.png`));
 
 // Common request handler
 app.use(async (ctx, next) => {
diff --git a/src/server/web/views/base.pug b/src/server/web/views/base.pug
index 43b82a5f05..1fc62c09f2 100644
--- a/src/server/web/views/base.pug
+++ b/src/server/web/views/base.pug
@@ -13,7 +13,7 @@ html
 		meta(name='theme-color' content='#86b300')
 		meta(property='og:site_name' content= instanceName || 'Misskey')
 		meta(name='viewport' content='width=device-width, initial-scale=1')
-		link(rel='icon' href= icon || '/favicon.ico')
+		link(rel='icon' href= icon || '/favicon.png')
 		link(rel='apple-touch-icon' href= icon || '/apple-touch-icon.png')
 		link(rel='manifest' href='/manifest.json')