diff --git a/app/javascript/src/javascripts/post_tooltips.js b/app/javascript/src/javascripts/post_tooltips.js
index 4be1754ec..dca379fd8 100644
--- a/app/javascript/src/javascripts/post_tooltips.js
+++ b/app/javascript/src/javascripts/post_tooltips.js
@@ -1,28 +1,75 @@
-import CurrentUser from './current_user'
-import Utility from './utility'
-
-require('qtip2');
-require('qtip2/dist/jquery.qtip.css');
+import CurrentUser from './current_user';
+import Utility from './utility';
+import { delegate, hideAll } from 'tippy.js';
+import 'tippy.js/dist/tippy.css';
 
 let PostTooltip = {};
 
-PostTooltip.render_tooltip = async function (event, qtip) {
+PostTooltip.POST_SELECTOR = "*:not(.ui-sortable-handle) > article.post-preview img, .dtext-post-id-link";
+PostTooltip.SHOW_DELAY = 500;
+PostTooltip.HIDE_DELAY = 125;
+PostTooltip.DURATION = 250;
+PostTooltip.MAX_WIDTH = 400;
+
+PostTooltip.initialize = function () {
+  if (PostTooltip.disabled()) {
+    return;
+  }
+
+  delegate("body", {
+    allowHTML: true,
+    appendTo: document.body,
+    delay: [PostTooltip.SHOW_DELAY, PostTooltip.HIDE_DELAY],
+    duration: PostTooltip.DURATION,
+    interactive: true,
+    maxWidth: PostTooltip.MAX_WIDTH,
+    target: PostTooltip.POST_SELECTOR,
+    theme: "post-tooltip",
+    touch: false,
+
+    onCreate: PostTooltip.on_create,
+    onShow: PostTooltip.on_show,
+    onHide: PostTooltip.on_hide,
+  });
+
+  $(document).on("click.danbooru.postTooltip", ".post-tooltip-disable", PostTooltip.on_disable_tooltips);
+};
+
+PostTooltip.on_create = function (instance) {
+  let title = instance.reference.getAttribute("title");
+
+  if (title) {
+    instance.reference.setAttribute("data-title", title);
+    instance.reference.setAttribute("title", "");
+  }
+};
+
+PostTooltip.on_show = async function (instance) {
   let post_id = null;
   let preview = false;
+  let $target = $(instance.reference);
+  let $tooltip = $(instance.popper);
 
-  if ($(this).is(".dtext-post-id-link")) {
+  // skip if tooltip has already been rendered.
+  if ($tooltip.has(".post-tooltip-body").length) {
+    return;
+  }
+
+  if ($target.is(".dtext-post-id-link")) {
     preview = true;
-    post_id = /\/posts\/(\d+)/.exec($(this).attr("href"))[1];
+    post_id = /\/posts\/(\d+)/.exec($target.attr("href"))[1];
   } else {
-    post_id = $(this).parents("[data-id]").data("id");
+    post_id = $target.parents("[data-id]").data("id");
   }
 
   try {
-    qtip.cache.request = $.get(`/posts/${post_id}`, { variant: "tooltip", preview: preview });
-    let html = await qtip.cache.request;
+    $tooltip.addClass("post-tooltip-loading");
 
-    qtip.set("content.text", html);
-    qtip.elements.tooltip.removeClass("post-tooltip-loading");
+    instance._request = $.get(`/posts/${post_id}`, { variant: "tooltip", preview: preview });
+    let html = await instance._request;
+    instance.setContent(html);
+
+    $tooltip.removeClass("post-tooltip-loading");
   } catch (error) {
     if (error.status !== 0 && error.statusText !== "abort") {
       Utility.error(`Error displaying tooltip for post #${post_id} (error: ${error.status} ${error.statusText})`);
@@ -30,98 +77,19 @@ PostTooltip.render_tooltip = async function (event, qtip) {
   }
 };
 
-// Hide the tooltip the first time it is shown, while we wait on the ajax call to complete.
-PostTooltip.on_show = function (event, qtip) {
-  if (!qtip.cache.hasBeenShown) {
-    qtip.elements.tooltip.addClass("post-tooltip-loading");
-    qtip.cache.hasBeenShown = true;
+PostTooltip.on_hide = function (instance) {
+  if (instance._request?.state() === "pending") {
+    instance._request.abort();
   }
-};
-
-PostTooltip.POST_SELECTOR = "*:not(.ui-sortable-handle) > .post-preview img, .dtext-post-id-link";
-
-// http://qtip2.com/options
-PostTooltip.QTIP_OPTIONS = {
-  style: {
-    classes: "qtip-light post-tooltip",
-    tip: false
-  },
-  content: PostTooltip.render_tooltip,
-  overwrite: false,
-  position: {
-    viewport: true,
-    my: "bottom left",
-    at: "top left",
-    effect: false,
-    adjust: {
-      y: -2,
-      method: "shift",
-    },
-  },
-  show: {
-    solo: true,
-    delay: 750,
-    effect: false,
-    ready: true,
-    event: "mouseenter",
-  },
-  hide: {
-    delay: 250,
-    fixed: true,
-    effect: false,
-    event: "unfocus click mouseleave",
-  },
-  events: {
-    show: PostTooltip.on_show,
-  },
-};
-
-PostTooltip.initialize = function () {
-  $(document).on("mouseenter.danbooru.postTooltip", PostTooltip.POST_SELECTOR, function (event) {
-    if (PostTooltip.disabled()) {
-      $(this).qtip("disable");
-    } else {
-      $(this).qtip(PostTooltip.QTIP_OPTIONS, event);
-    }
-  });
-
-  // Cancel pending ajax requests when we mouse out of the thumbnail.
-  $(document).on("mouseleave.danbooru.postTooltip", PostTooltip.POST_SELECTOR, function (event) {
-    let qtip = $(event.target).qtip("api");
-
-    if (qtip && qtip.cache && qtip.cache.request && qtip.cache.request.state() === "pending") {
-      qtip.cache.request.abort();
-    }
-  });
-
-  $(document).on("click.danbooru.postTooltip", ".post-tooltip-disable", PostTooltip.on_disable_tooltips);
-
-  // Hide tooltips when pressing keys or clicking thumbnails.
-  $(document).on("keydown.danbooru.postTooltip", PostTooltip.hide);
-  $(document).on("click.danbooru.postTooltip", PostTooltip.POST_SELECTOR, PostTooltip.hide);
-
-  // Disable tooltips on touch devices. https://developer.mozilla.org/en-US/docs/Web/API/Touch_events/Supporting_both_TouchEvent_and_MouseEvent
-  PostTooltip.isTouching = false;
-  $(document).on("touchstart.danbooru.postTooltip", function (event) { PostTooltip.isTouching = true; });
-  $(document).on("touchend.danbooru.postTooltip",   function (event) { PostTooltip.isTouching = false; });
-};
-
-PostTooltip.hide = function (event) {
-  // Hide on any key except control (user may be control-clicking link inside tooltip).
-  if (event.type === "keydown" && event.ctrlKey === true) {
-    return;
-  }
-
-  $(".post-tooltip:visible").qtip("hide");
-};
+}
 
 PostTooltip.disabled = function (event) {
-  return PostTooltip.isTouching || CurrentUser.data("disable-post-tooltips");
+  return CurrentUser.data("disable-post-tooltips");
 };
 
 PostTooltip.on_disable_tooltips = async function (event) {
   event.preventDefault();
-  $(event.target).parents(".qtip").qtip("hide");
+  hideAll();
 
   if (CurrentUser.data("is-anonymous")) {
     Utility.notice('You must <a href="/session/new">login</a> to disable tooltips');
diff --git a/app/javascript/src/styles/base/040_colors.css b/app/javascript/src/styles/base/040_colors.css
index ab97b39f3..561f86e60 100644
--- a/app/javascript/src/styles/base/040_colors.css
+++ b/app/javascript/src/styles/base/040_colors.css
@@ -72,7 +72,8 @@
   --comment-sticky-background-color: var(--subnav-menu-background-color);
 
   --post-tooltip-background-color: var(--body-background-color);
-  --post-tooltip-border-color: #767676;
+  --post-tooltip-border-color: hsla(210, 100%, 3%, 0.15);
+  --post-tooltip-box-shadow: 0 4px 14px -2px hsla(210, 100%, 3%, 0.10);
   --post-tooltip-header-background-color: var(--subnav-menu-background-color);
   --post-tooltip-info-color: #555;
   --post-tooltip-scrollbar-background: #999999;
diff --git a/app/javascript/src/styles/specific/post_tooltips.scss b/app/javascript/src/styles/specific/post_tooltips.scss
index 2a98dfc1c..fa843763a 100644
--- a/app/javascript/src/styles/specific/post_tooltips.scss
+++ b/app/javascript/src/styles/specific/post_tooltips.scss
@@ -1,6 +1,5 @@
 $tooltip-line-height: 16px;
-$tooltip-body-height: $tooltip-line-height * 6; // 6 lines high.
-$tooltip-width: 164px * 3 - 10; // 3 thumbnails wide.
+$tooltip-body-height: $tooltip-line-height * 4; // 4 lines high.
 
 @mixin thin-scrollbar {
   &::-webkit-scrollbar {
@@ -46,16 +45,20 @@ $tooltip-width: 164px * 3 - 10; // 3 thumbnails wide.
   }
 }
 
-.post-tooltip {
-  max-width: $tooltip-width;
-  min-width: $tooltip-width;
+.tippy-box[data-theme~="post-tooltip"] {
+  min-width: 200px;
   box-sizing: border-box;
   font-size: 11px;
   line-height: $tooltip-line-height;
-  border-color: var(--post-tooltip-border-color);
-  background-color: var(--post-tooltip-background-color);
 
-  .qtip-content {
+  border: 1px solid var(--post-tooltip-border-color);
+  border-radius: 4px;
+
+  background-color: var(--post-tooltip-background-color);
+  background-clip: padding-box;
+  box-shadow: var(--post-tooltip-box-shadow);
+
+  .tippy-content {
     padding: 0;
 
     > * {
@@ -116,7 +119,43 @@ $tooltip-width: 164px * 3 - 10; // 3 thumbnails wide.
     }
   }
 
-  &.post-tooltip-loading {
-    visibility: hidden;
+  /* bordered arrow styling; see https://github.com/atomiks/tippyjs/blob/master/src/scss/themes/light-border.scss */
+  &[data-placement^=bottom] {
+    > .tippy-arrow:before {
+      border-bottom-color: var(--post-tooltip-background-color);
+      bottom: 16px;
+    }
+
+    > .tippy-arrow:after {
+      border-bottom-color: var(--post-tooltip-border-color);
+      border-width: 0 7px 7px;
+      top: -8px;
+      left: 1px;
+    }
+  }
+
+  &[data-placement^=top] {
+    > .tippy-arrow:before {
+      border-top-color: var(--post-tooltip-background-color);
+    }
+
+    > .tippy-arrow:after {
+      border-top-color: var(--post-tooltip-border-color);
+      border-width: 7px 7px 0;
+      top: 17px;
+      left: 1px;
+    }
+  }
+
+  > .tippy-arrow:after {
+    border-color: transparent;
+    border-style: solid;
+    content: "";
+    position: absolute;
+    z-index: -1;
   }
 }
+
+div[data-tippy-root].post-tooltip-loading {
+  visibility: hidden !important;
+}
diff --git a/app/views/posts/update.js.erb b/app/views/posts/update.js.erb
index 1da54c638..606380c4a 100644
--- a/app/views/posts/update.js.erb
+++ b/app/views/posts/update.js.erb
@@ -1,8 +1,5 @@
 <% if @post.valid? %>
   var $post = $("#post_<%= @post.id %>");
-  <% if !CurrentUser.disable_post_tooltips %>
-    $post.find("img").qtip("destroy", true);
-  <% end %>
   var $new_post = $("<%= j PostPresenter.preview(@post, show_deleted: true) %>");
   Danbooru.Blacklist.apply_post($new_post.get(0));
   $("#post_<%= @post.id %>").replaceWith($new_post);
diff --git a/package.json b/package.json
index e715e9198..1d7b508c4 100644
--- a/package.json
+++ b/package.json
@@ -10,11 +10,11 @@
     "hammerjs": "^2.0.8",
     "jquery-hotkeys": "^0.2.2",
     "jquery-ui": "^1.12.1",
-    "qtip2": "^3.0.3",
     "rails-erb-loader": "^5.5.0",
     "script-loader": "^0.7.2",
     "spark-md5": "^3.0.0",
     "stupid-table-plugin": "^1.1.3",
+    "tippy.js": "^6.2.3",
     "typeface-anton": "^0.0.72",
     "typeface-archivo-narrow": "^1.0.0",
     "typeface-ibm-plex-mono": "^0.0.61",
diff --git a/yarn.lock b/yarn.lock
index b28f64d11..544a14be1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -830,6 +830,11 @@
     "@nodelib/fs.scandir" "2.1.3"
     fastq "^1.6.0"
 
+"@popperjs/core@^2.3.2":
+  version "2.4.2"
+  resolved "https://registry.yarnpkg.com/@popperjs/core/-/core-2.4.2.tgz#7c6dc4ecef16149fd7a736710baa1b811017fdca"
+  integrity sha512-JlGTGRYHC2QK+DDbePyXdBdooxFq2+noLfWpRqJtkxcb/oYWzOF0kcbfvvbWrwevCC1l6hLUg1wHYT+ona5BWQ==
+
 "@rails/ujs@^6.0.2-1":
   version "6.0.3"
   resolved "https://registry.yarnpkg.com/@rails/ujs/-/ujs-6.0.3.tgz#e68a03278e30daea6a110aac5dfa33c60c53055d"
@@ -3212,11 +3217,6 @@ etag@~1.8.1:
   resolved "https://registry.yarnpkg.com/etag/-/etag-1.8.1.tgz#41ae2eeb65efa62268aebfea83ac7d79299b0887"
   integrity sha1-Qa4u62XvpiJorr/qg6x9eSmbCIc=
 
-ev-emitter@^1.0.0:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/ev-emitter/-/ev-emitter-1.1.1.tgz#8f18b0ce5c76a5d18017f71c0a795c65b9138f2a"
-  integrity sha512-ipiDYhdQSCZ4hSbX4rMW+XzNKMD1prg/sTvoVmSLkuQ1MVlwjJQQA+sW8tMYR3BLUr9KjodFV4pvzunvRhd33Q==
-
 eventemitter3@^4.0.0:
   version "4.0.4"
   resolved "https://registry.yarnpkg.com/eventemitter3/-/eventemitter3-4.0.4.tgz#b5463ace635a083d018bdc7c917b4c5f10a85384"
@@ -4196,13 +4196,6 @@ ignore@^5.1.4, ignore@^5.1.8:
   resolved "https://registry.yarnpkg.com/ignore/-/ignore-5.1.8.tgz#f150a8b50a34289b33e22f5889abd4d8016f0e57"
   integrity sha512-BMpfD7PpiETpBl/A6S498BaIJ6Y/ABT93ETbby2fP00v4EbvPBXWEoaR1UBPKs3iR53pJY7EtZk5KACI57i1Uw==
 
-imagesloaded@>=3.0.0:
-  version "4.1.4"
-  resolved "https://registry.yarnpkg.com/imagesloaded/-/imagesloaded-4.1.4.tgz#1376efcd162bb768c34c3727ac89cc04051f3cc7"
-  integrity sha512-ltiBVcYpc/TYTF5nolkMNsnREHW+ICvfQ3Yla2Sgr71YFwQ86bDwV9hgpFhFtrGPuwEx5+LqOHIrdXBdoWwwsA==
-  dependencies:
-    ev-emitter "^1.0.0"
-
 import-cwd@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/import-cwd/-/import-cwd-2.1.0.tgz#aa6cf36e722761285cb371ec6519f53e2435b0a9"
@@ -4718,11 +4711,6 @@ jquery-ui@^1.12.1:
   resolved "https://registry.yarnpkg.com/jquery-ui/-/jquery-ui-1.12.1.tgz#bcb4045c8dd0539c134bc1488cdd3e768a7a9e51"
   integrity sha1-vLQEXI3QU5wTS8FIjN0+dop6nlE=
 
-jquery@>=1.6.0:
-  version "3.5.1"
-  resolved "https://registry.yarnpkg.com/jquery/-/jquery-3.5.1.tgz#d7b4d08e1bfdb86ad2f1a3d039ea17304717abb5"
-  integrity sha512-XwIBPqcMn57FxfT+Go5pzySnm4KWkT1Tv7gjrpT1srtf8Weynl6R273VJ5GjkRb51IzMp5nbaPjJXMWeju2MKg==
-
 js-base64@^2.1.8:
   version "2.6.2"
   resolved "https://registry.yarnpkg.com/js-base64/-/js-base64-2.6.2.tgz#cf9301bc5cc756892a9a6c8d7138322e5944fb0d"
@@ -7020,14 +7008,6 @@ qs@~6.5.2:
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.5.2.tgz#cb3ae806e8740444584ef154ce8ee98d403f3e36"
   integrity sha512-N5ZAX4/LxJmF+7wN74pUD6qAh9/wnvdQcjq9TZjevvXzSUo7bfmw91saqMjzGS2xq91/odN2dW/WOl7qQHNDGA==
 
-qtip2@^3.0.3:
-  version "3.0.3"
-  resolved "https://registry.yarnpkg.com/qtip2/-/qtip2-3.0.3.tgz#7df088ae4412c24a4064de69e824cb3cf76210dc"
-  integrity sha1-ffCIrkQSwkpAZN5p6CTLPPdiENw=
-  dependencies:
-    imagesloaded ">=3.0.0"
-    jquery ">=1.6.0"
-
 query-string@^4.1.0:
   version "4.3.4"
   resolved "https://registry.yarnpkg.com/query-string/-/query-string-4.3.4.tgz#bbb693b9ca915c232515b228b1a02b609043dbeb"
@@ -8529,6 +8509,13 @@ timsort@^0.3.0:
   resolved "https://registry.yarnpkg.com/timsort/-/timsort-0.3.0.tgz#405411a8e7e6339fe64db9a234de11dc31e02bd4"
   integrity sha1-QFQRqOfmM5/mTbmiNN4R3DHgK9Q=
 
+tippy.js@^6.2.3:
+  version "6.2.3"
+  resolved "https://registry.yarnpkg.com/tippy.js/-/tippy.js-6.2.3.tgz#0a5db67dc6bd9129233b26052b7ae2b2047fd73e"
+  integrity sha512-MzqHMrr2C0IC8ZUnG5kLQPxonWJ7V+Usqiy2W5b+dCvAfousio0mA85h+Ea5wRq94AQGd8mbFGeciRgkP+F+7w==
+  dependencies:
+    "@popperjs/core" "^2.3.2"
+
 to-arraybuffer@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/to-arraybuffer/-/to-arraybuffer-1.0.1.tgz#7d229b1fcc637e466ca081180836a7aabff83f43"