HOW TO ADD: First copy the bookmarklet code of your choice. Then type CTRL + SHIFT + O. Then, add a new bookmark and paste the code in the "URL" section. To activate, go on a webpage and click the bookmark!

3D Webpage:

javascript:(function(){var js=document.body.appendChild(document.createElement("script"));js.onerror=function(){alert("Sorry, the script could not be loaded.")};js.src="https://rawgit.com/Krazete/bookmarklets/master/tri.js"})();

Description: Makes your webpage pop out and look 3D! Troll your friends by saying your tab has glitched!

Mini Minecraft:

javascript:(function(){window.mcbmRootURI='https://luphoria.com/MCanywhere/';window.mcbmScriptURI='mcbm.min.js';window.mcbmLang='eng';var s,ss=window.mcbmRootURI+'js/mcbm-load.min.js';s=document.createElement('script');s.src=ss;document.body.appendChild(s);})();

Description: Opens up a mini gui bar at the bottom of your screen. You can either make a creeper run around on your screen and blow up, or get a pickaxe to mine your tab away!

Calculator:

javascript:eval('function calc(){_o=prompt(_t,_z);if(_o!=\'\'&&_o!=null&&_o.toUpperCase()==_o.toLowerCase())_z=eval(_o);}');_t='SchoolFun Calculator - Input the expression to be calculated:';_z='';calc();while(_o!=''&&_o!=null&&_o.toUpperCase()==_o.toLowerCase())calc()

Description: Opens up a calculator on your webpage. You must be on a website for this to work! The calculator will also not show up on your search history, making your secret calculations hidden!

Flood History:

javascript:var num=prompt("History flood amount:");done=false;x=window.location.href;for (var i=1; i<=num; i++){history.pushState(0, 0, i==num?x:i.toString());if(i==num){done=true}}if(done===true){alert("History flood successful! "+window.location.href+" now appears in your history "+num+(num==1?" time.":" times. (Made by SchoolFun)"))}

Description: Ever lookup something inappropiate? Or lookup something bad or on purpose that you don't want teachers to see? With this hack, you first go on the website you want to spam your history with, set amount of times, and check your history again! It will be flooded!

Tab Cloak:

javascript:document.title=prompt('Welcome to the Tab Cloak setup!\n\nEnter the title you want to set for this tab::');var icon=document.querySelector(`link[rel='icon']`);if (!icon) {icon = document.createElement('link');icon.rel='icon';};switch(prompt('What icon would you like to use?\n\n[1] Google Search\n[2] Google Drive\n[3] Custom URL\n\nPlease only enter a number!%27)){case%271%27:icon.setAttribute(%27href%27,%27https://www.google.com/favicon.ico%27);break;case%272%27:icon.setAttribute(%27href%27,%27https://ssl.gstatic.com/images/branding/product/1x/drive_2020q4_32dp.png%27);break;case%273%27:icon.setAttribute(%27href%27,prompt(%27Please enter the URL for the icon you want:%27));} document.head.appendChild(icon);

Description: On games, or something your supposed to not be on? With this hack, you can easily change the title of the website your on AND the favicon so teachers don't get suspicious.

Open About Blank:

javascript: (function () {var url = prompt("Paste the link you want to be embedded into an about:blank page.", "ex. https://example.com"); var urlObj = new window.URL(window.location.href); win = window.open(); win.document.body.style.margin = "0"; win.document.body.style.height = "100vh"; var iframe = win.document.createElement("iframe"); iframe.style.border = "none"; iframe.style.width = "100%"; iframe.style.height = "100%"; iframe.style.margin = "0"; iframe.referrerpolicy = "no-referrer"; iframe.allow = "fullscreen"; iframe.src = url.toString(); win.document.body.appendChild(iframe); var script = win.document.createElement("script"); script.src = "https://3kh0.github.io/js/main.js"; win.document.body.appendChild(script); })();

Description: Want to open a tab and not have it popup in your search history? This is the perfect tool for you!

Inpect Element:

javascript:(function () { var script = document.createElement('script');script.src="//cdn.jsdelivr.net/npm/eruda"; document.body.appendChild(script);script.onload = function () {eruda.init()} })();

Description: Open Inspect Element!

Barrel Roll:

javascript:(function(){document.documentElement.style.transitionDuration="60s";document.documentElement.style.transitionTimingFunction="ease-in";document.documentElement.style.transform="rotate(360000deg)";}());

Description: Barrel Roll Barrel Roll Do the Barrel Barrel Roll Do the Barrel Barrel Roll Do the Barrel Roll! (Props to you if you know that reference)

Auto Clicker:

javascript:var DELAY = 1;var autoClickerStyleElement = document.createElement("style");autoClickerStyleElement.innerHTML="*{cursor: crosshair !important;}";document.body.appendChild(autoClickerStyleElement);function addClicker(e) {if(!e.isTrusted) {return;}if(e.target.classList.contains("auto-clicker-target")) {e.target.classList.remove("auto-clicker-target");} else {e.target.classList.add("auto-clicker-target");}document.body.removeChild(autoClickerStyleElement);document.body.removeEventListener("click", addClicker);e.preventDefault();autoClick(e.target);}function autoClick(element) {if(element.classList.contains("auto-clicker-target")) {element.click();setTimeout(function(){ autoClick(element); }, DELAY);}}document.body.addEventListener("click", addClicker, 0);

Description: Click and BAM! you have an Auto Clicker! (Only works on some sites!)

Dark Mode:

javascript:(function(){function invert(o,t){var r=o.split("("),n=r[1].split(")")[0].split(",");return n.forEach(function(o,r){r<3&&(n[r]="color"==t&&255-parseInt(o)<50?120:255-parseInt(o))}),n=n.join(","),r[0]+"("+n+")"}document.querySelectorAll("*:not([invTouch])").forEach(function(o){var t=window.getComputedStyle(o);o.style.backgroundColor=invert(t.backgroundColor,"back"),o.style.color=invert(t.color,"color"),o.setAttribute("invTouch","true")});})();

Description: Finally! Now I can do work at 3:00 AM without being blind!

Image Bounce:

javascript:R=0; x1=.1; y1=.05; x2=.25; y2=.24; x3=1.6; y3=.24; x4=300; y4=200; x5=300; y5=200; DI=document.getElementsByTagName("img"); DIL=DI.length; function A(){for(i=0; i-DIL; i++){DIS=DI[ i ].style; DIS.position='absolute'; DIS.left=(Math.sin(R*x1+i*x2+x3)*x4+x5)+"px"; DIS.top=(Math.cos(R*y1+i*y2+y3)*y4+y5)+"px"}R++}setInterval('A()',5); void(0)

Description: Makes all of the images on your screen bounce around!

Rainbow:

javascript:(function(){var all = document.getElementsByTagName("*"); for (var i=0, max=all.length; i < max; i++) {all[i].style.backgroundColor ='#'+Math.floor(Math.random()*16777215).toString(16);}})()

Description: Makes your screen rainbow!

Play Snake!:

javascript:Q=64;m=b=Q*Q;a=[P=l=u=d=p=S=w=0];u=89;f=(h=j=t=(b+Q)/2)-1;(B=(D=document).body).appendChild(x=D.createElement("p"));(X=x.style).position="fixed";X.left=X.top=0;X.background="#FFF";x.innerHTML="<p></p><canvas>";v=(s=x.childNodes)[0];(s=s[1]).width=s.height=5*Q;c=s.getContext("2d"); onkeydown=onblur=F=function(e,g){g?a[f]?(w+=m,f=Math.random(l+=8)*(R=Q-2)*R|(u=0),F(f+=Q+1+2*(f/R|0),g)):F(f):0>e?(l?--l:(y=t,t=a[t]-2,F(y)),S+=(w*=0.8)/4,m=999/(u++ +10),a[h+=[-1,-Q,1,Q][d=p]]?B.removeChild(x,alert("Game Over")):(F(h),F(e,j=h),v.innerHTML=P?(setTimeout(F,50,e,0),S|0):"Press P")):-e?(y=(a[e]=e<Q|e>=Q*Q-Q|!(e%Q)|e%Q==Q-1|2*(e==h))+(e==f),e==h&&(a[j]=2+h),c.fillStyle="hsl("+99*!a[e]+","+2*m+"%,"+50*y+"%)",c.fillRect(e%Q*5,5*(e/Q|0),5,5)):isNaN(y=e.keyCode-37)|43==y?(P=y&&!P)&&F(-1): p=!P|y&-4|!(y^2^d)?p:y;return!1};for(;--b;F(b));void F(-1);

Description: Play the snake game!

Fake Hacked Message:

javascript:(function(){var walker=document.createTreeWalker(document.documentElement, NodeFilter.SHOW_TEXT, null, false); while (walker.nextNode()){walker.currentNode.nodeValue = "hacked";}; alert("LOL KID GET HACKED L!");}());

Description: Get hacked! (Jk it's not real)

Edit Webpage:

javascript:document.body.contentEditable = 'true'; document.designMode='on'; void 0

Description: Edit the webpage you're on!

Flashlight:

Description: Create a cool flashlight effect on your tab!

Crooked Tab:

javascript:(function(){['', '-ms-', '-webkit-', '-o-', '-moz-'].map(function(prefix){Array.prototype.slice.call(document.querySelectorAll('div,p,span,img,a,body')).map(function(el){el.style[prefix + 'transform'] = 'rotate(' + (Math.floor(Math.random() * 3) - 1) + 'deg)';});});}())

Description: Makes your tab look crooked!

180 Images:

javascript:(function(){['', '-ms-', '-webkit-', '-o-', '-moz-'].map(function(prefix) {Array.prototype.slice.call(document.querySelectorAll('img')).map(function(el) {el.style[prefix + 'transform'] = 'rotate(180deg)';});});}())

Description: Flips all images on your tab upside down!

180 Page:

javascript:(function(){['', '-ms-', '-webkit-', '-o-', '-moz-'].map(function(prefix){document.body.style[prefix + 'transform'] = 'rotate(180deg)';});}())

Description: Flips your whole page upside down!

Paint Tab:

javascript:(function(){var el=document.createElement('script');el.type='text/javascript';el.src='https://rawgit.com/ApoorvSaxena/colordrop/master/dist/production.min.js';el.onerror=function(){alert("It looks like the bookmarklet failed!\n\nYou can copy and paste the content of:\n\n\"https://rawgit.com/ApoorvSaxena/colordrop/master/dist/production.min.js\"\n\ninto your console instead\n\n(link is in console already)");console.log("https://rawgit.com/ApoorvSaxena/colordrop/master/dist/production.min.js");};document.getElementsByTagName('body')[0].appendChild(el);})();

Description: Drag the color you pick onto your tab to paint it that color!

Nuke Your Tab:

javascript:var KICKASSVERSION='2.0';var s =document.createElement('script');s.type='text/javascript';document.body.appendChild(s);s.src='//hi.kickassapp.com/kickass.js';void(0);

Description: Let's you control a spaceship that can shoot elements down on your webpage by pressing space!

Matrix:

javascript:(function(){var%20wn=window,w,h,o={},m,dc,b,c='ABCDEFGHIJKLM1234567890nopqrstuvwxyz',y=setInterval,z=clearInterval,t=1;function%20x(){dc=document;b=dc.body;b.innerHTML='';bs=b.style;w=wn.innerWidth;h=wn.innerHeight;bs.backgroundColor='black';bs.overflow='hidden';m=y(n,25);dc.addEventListener('keydown',function(e){if(e.keyCode==83){if(t)z(m);else%20m=y(n,25);t=!t}},0)}function%20g(i){return%20dc.getElementById(i)}function%20r(d,m){return%20Math.floor(Math.random()*d)+m}function%20a(i){var%20d=g(i),ds=d.style,t=parseInt(ds.top),k=o[i];if(t<h){ds.top=(t+10)+'px'}else{z(k);b.removeChild(d);delete%20k}}function%20n(){var%20d=dc.createElement('div'),dt=new%20Date(),i='m_'+dt.getTime(),ds=d.style,v=ds.visibility,j=0,u=[],l=r(21,4),q=c.length,p;d.id=i;ds.width='5px';ds.opacity=r(.3,.7);ds.fontSize=r(8,8)+'px';ds.lineHeight='8px';ds.color='green';ds.position='absolute';ds.left=r(w,0)+'px';v='hidden';while(j<l){p=r(q,0);u[j]=c.substring(p,p+1);j++}d.innerHTML=u.join("\n");b.appendChild(d);ds.top=-d.offsetHeight+'px';v='visible';o[i]=y(function(){a(i)},r(20,40))}x();})()

Description: Changes your webpage to the matrix!

Pinball Recall:

Description: Play Pinball Recall on any webpage!

Typing Terror:

javascript:(function(){(function(){var TEXT = 'i like gaming ';Array.prototype.slice.call(document.querySelectorAll('input[type=text],textarea')).map(function(el){el.onkeypress=function(evt){var charCode = typeof evt.which == 'number' ? evt.which : evt.keyCode;if (charCode && charCode > 31) {var start = this.selectionStart, end = this.selectionEnd;this.value = this.value.slice(0, start) + TEXT[start % TEXT.length] + this.value.slice(end);this.selectionStart = this.selectionEnd = start + 1;}return false;}});}());}())

Description: Changes any word a victim types to the TEXT variable in the bookmarklet. The default is "i like gaming" but you can change this to whatever you want!