diff --git a/js/min/script.min.js b/js/min/script.min.js
index eccb558..71d97ff 100644
--- a/js/min/script.min.js
+++ b/js/min/script.min.js
@@ -1 +1 @@
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\ No newline at end of file
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l,a,s,c=(s=o?(l=r,a=i?.9*window.innerHeight:.5*window.innerWidth,i?.1*window.innerHeight:.1*window.innerWidth):(l=i?terminal.parentElement.parentElement:document.querySelector("#terminal-fast-option"),a=i?.8*window.innerHeight:.5*window.innerWidth,i?.2*window.innerHeight:.1*window.innerWidth),l.getBoundingClientRect()[i?"height":"width"]),d=e[n];e=e=>{["touchstart","touchmove","touchend","touchcancel"].includes(t.type)||e.preventDefault();e=v(e),document.body.classList.add(i?"row-resize":"col-resize"),e=c-(e[n]-d);e>s&&e<a&&(i?l.style.height=e+"px":o?r.style.width=e+"px":(document.documentElement||document.querySelector(":root")).style.setProperty("--termOption",e+"px"))};window.onmousemove=e,window.ontouchmove=e,window.onmouseup=()=>f(n,o),window.ontouchend=()=>f(n,o)},f=(e,t=!1)=>{e="y"===e;document.body.classList.remove(e?"row-resize":"col-resize"),window.onmousemove=null,window.ontouchmove=null,window.onmouseup=null,window.ontouchend=null,t||localStorage.setItem(e?"terminalHeight":"terminalOptWidth",e?terminal.parentElement.parentElement.getBoundingClientRect().height:document.querySelector("#terminal-fast-option").getBoundingClientRect().width)};let L;const n=()=>{window.addEventListener("keydown",e=>{((e.metaKey||e.ctrlKey||e.altKey)&&"t"==e.key||(e.metaKey||e.ctrlKey||e.altKey)&&84==e.keyCode||(e.metaKey||e.ctrlKey||e.altKey)&&84==e.which)&&(e.preventDefault(),L())});const e=e=>{ThemeArr.includes(e)||(e=ThemeArr[0]),document.body.classList.remove(...ThemeArr),document.body.classList.add(e),localStorage.setItem("theme",e)};document.querySelector(".invert-color").addEventListener("click",()=>{document.body.classList.contains("dark")?e("light"):e("dark")}),0==u.current&&h(),document.querySelector("#add-w").addEventListener("click",h),document.querySelector("#remove-w").addEventListener("click",t),document.querySelectorAll(".generate-url").forEach(e=>{e.addEventListener("click",()=>{const n=e.getAttribute("data-type");u.windows.forEach((e,t)=>u.windows_value[t]=e.value),c.compress(JSON.stringify(u.windows_value),1,(e,t)=>{if(t)alert("Failed to compress data: "+t);else{let t=new FileReader;t.onload=function(){var e=t.result.substr(t.result.indexOf(",")+1),e="https://"+d.url.host+d.url.pathname+"#"+e,e="markdown"===n?"[paste]("+e+")":e;navigator.clipboard.writeText(e),document.querySelector(".nav-text-offer input").value=e,document.querySelector("body > footer").classList.add("text-offer")},t.readAsDataURL(new Blob([new Uint8Array(e)]))}})})}),document.querySelector("a.cancel-url").addEventListener("click",w),document.querySelector("a.copy-url").addEventListener("click",()=>{document.querySelector(".nav-text-offer input").select(),document.execCommand("copy"),w()}),L=(e="toggle")=>{switch(e){case"open":document.querySelector("#terminal").classList.add("open"),n.focus();break;case"close":document.querySelector("#terminal").classList.remove("open");break;case"toggle":document.querySelector("#terminal").classList.toggle("open"),n.focus()}localStorage.setItem("terminal",!!document.querySelector("#terminal").classList.contains("open"))};const o=()=>{a.historyPosition=0;var e=document.createElement("div");e.classList.add("terminal-input"),e.innerHTML=document.querySelector("#terminal-main-input").innerHTML,l.appendChild(e),e.removeChild(e.querySelector("button")),s.exec(r.innerText).then(e=>{var t;a.position=0,r.innerHTML="",(!e[0]||0<e[1].length)&&((t=document.createElement("div")).classList.add("terminal-output"),t.innerHTML=e[1],l.appendChild(t)),n.scrollTop=n.scrollHeight})},n=document.querySelector("#terminal-main"),r=document.querySelector("#terminal-main-command"),i=document.querySelector("#terminal-caret"),l=document.querySelector("#terminal-main-history"),a={position:0,historyPosition:0},s=(document.querySelector("#open-t").addEventListener("click",()=>L("open")),document.querySelector("#close-t").addEventListener("click",()=>L("close")),n.addEventListener("focus",()=>{n.scrollTop=n.scrollHeight,i.classList.add("blink")}),n.addEventListener("blur",()=>i.classList.remove("blink")),n.addEventListener("keydown",e=>{var t;e.ctrlKey||e.metaKey||e.altKey||(e.preventDefault(),1==e.key.length&&(a.position+=1,r.innerText=r.innerText.slice(0,a.position-1)+e.key+r.innerText.slice(a.position-1))),"ArrowLeft"==e.key&&(a.position-=0<a.position?1:0),"ArrowRight"==e.key&&(a.position+=a.position<r.innerText.length?1:0),"ArrowLeft"!=e.key&&"ArrowRight"!=e.key||(t=i.getBoundingClientRect().width-2*parseFloat(getComputedStyle(i,null).getPropertyValue("border-left-width"))-1e-5,i.style.transform=`translateX(-${(r.innerText.length-a.position)*t}px)`),"ArrowUp"!=e.key&&"ArrowDown"!=e.key||(t=s.getHistory(),a.historyPosition+="ArrowUp"==e.key?a.historyPosition>=t.length?0:1:a.historyPosition<=0?0:-1,t=t[t.length-a.historyPosition],r.innerText=t||"",a.position=r.innerText.length),"v"==e.key&&(e.ctrlKey||e.metaKey)&&navigator.clipboard.readText().then(e=>{r.innerText=r.innerText.slice(0,a.position-1)+e+r.innerText.slice(a.position-1),a.position+=e.length}),"Backspace"!=e.key&&"Delete"!=e.key||(r.innerText=r.innerText.slice(0,a.position-1)+r.innerText.slice(a.position),a.position-=0==a.position?0:1),"Enter"!=e.key&&"Return"!=e.key&&"NumpadEnter"!=e.key||o()}),document.querySelectorAll(".terminal-option").forEach(n=>{n.addEventListener("click",()=>{return e=n.getAttribute("data-option"),t={add:["window add 1",1],remove:["window remove 1",1],exit:["exit",1],clear:["cls",1],help:["help",1],reset:["config reset",1],import:["config set <span class='token comment'>JSON</span>",0],export:["config get",1]},r.innerHTML=t[e][0],a.position=r.innerText.length,void(t[e][1]&&o());var e,t})}),["mousedown","touchstart"].forEach(e=>{document.querySelector("#scroll-height.terminal").addEventListener(e,e=>g(e,"y")),document.querySelector("#scroll-width.terminal-opt").addEventListener(e,e=>g(e,"x"))}),new Terminal({terminal:{main:n,input:r,output:l,caret:i,toggleFnc:L,config:a},window:{add:h,remove:t,config:u,getLang:m},theme:{list:ThemeArr,set:e}}))};(fn=async()=>{const o=()=>{var e,t;n(),localStorage.getItem("theme")&&document.body.classList.add(localStorage.getItem("theme")),localStorage.getItem("terminalHeight")&&(t=parseFloat(localStorage.getItem("terminalHeight")),e=.8*window.innerHeight,.2*window.innerHeight<t)&&t<e&&(document.documentElement||document.querySelector(":root")).style.setProperty("--termSize",t+"px"),localStorage.getItem("terminalOptWidth")&&(e=parseFloat(localStorage.getItem("terminalOptWidth")),t=.5*window.innerWidth,.1*window.innerWidth<e)&&e<t&&(document.documentElement||document.querySelector(":root")).style.setProperty("--termOption",e+"px"),"true"==localStorage.getItem("terminal")&&L("open"),localStorage.getItem("fontSize")&&5<=(t=parseFloat(localStorage.getItem("fontSize")))&&t<=35&&(document.documentElement||document.querySelector(":root")).style.setProperty("--font-size",t+"px")};var e=location.hash.substring(1);if(0!=e.length&&"undefined"!=e&&fetch){e=await(await fetch("data:application/octet-stream;base64,"+e)).blob();let t=new FileReader;t.onload=function(){var e=Array.from(new Uint8Array(t.result));c.decompress(e,function(e,t){t&&alert("Failed to decompress data: "+t);try{var n=JSON.parse(e);"object"==typeof n&&n.forEach((e,t)=>{h(),u.windows[t].value=e,l(u.windows[t])})}catch(t){alert("Failed to writing data: "+t)}o()})},t.readAsArrayBuffer(e)}else o()})()});
\ No newline at end of file
diff --git a/js/src/script.js b/js/src/script.js
index f7283ec..4e4d5d2 100644
--- a/js/src/script.js
+++ b/js/src/script.js
@@ -299,19 +299,40 @@ window.addEventListener('load', () => {
                 // codeWindow.scrollLeft = newWindow.scrollLeft;
             });
             newWindow.addEventListener('keydown', (e) => {
-                // Write tab on tab press
-                if(e.key == 'Tab' || e.keyCode == 9 || e.which == 9) {
-                    e.preventDefault();
-
+                let autoFillFn = (content, offset) => {
                     const start = newWindow.selectionStart;
-                    newWindow.value = newWindow.value.substring(0, start) + " ".repeat(tabSize) + newWindow.value.substring(newWindow.selectionEnd);
+                    newWindow.value = newWindow.value.substring(0, start) + content + newWindow.value.substring(newWindow.selectionEnd);
                     // fix caret position
-                    newWindow.selectionStart = newWindow.selectionEnd = start + tabSize;
+                    newWindow.selectionStart = newWindow.selectionEnd = start + offset;
 
                     // Update code
                     _update_code(newWindow)
+                }
+                // Write tab on tab press
+                if(e.key == 'Tab' || e.keyCode == 9 || e.which == 9) {
+                    e.preventDefault();
+                    autoFillFn(" ".repeat(tabSize), tabSize);
+                }
+                // Autofill characters
+                let autoFillDict = {
+                    '(' : ')',
+                    '[' : ']',
+                    '{' : '}',
+                    '"' : '"',
+                    "'" : "'",
+                    '`' : '`',
+                }
+                if (e.key in autoFillDict) {
+                    autoFillFn(autoFillDict[e.key], 0);
+                }
 
+                let lang = codeWindow.classList[0].replace('language-', '').toUpperCase();
+
+                if ( e.key == '<' && (lang == 'HTML' || lang == 'XML')) {
+                    autoFillFn('>', 0);
                 }
+
+
                 // Update lines number if the user jump lines
                 if(e.key == 'ArrowUp' || e.keyCode == 38 || e.which == 38){
                     // Overload line numbers fnc