Convert Images to PDF — Free Online Tool

let _imgs=[]; function ev(e){e.preventDefault();} function handleImgs(fs){ _imgs.push(...Array.from(fs).filter(f=>f.type.startsWith('image/'))); renderImgs(); } function renderImgs(){ document.getElementById('fl3').innerHTML=_imgs.map((f,i)=>``).join(''); document.getElementById('opts3').style.display=_imgs.length>0?'flex':'none'; document.getElementById('act3').style.display=_imgs.length>0?'flex':'none'; } function rmImg(i){_imgs.splice(i,1);renderImgs();} function resetI2P(){_imgs=[];renderImgs();document.getElementById('res3').classList.remove('show');document.getElementById('prog3').style.display='none';} async function imagesToPDF(){ if(!_imgs.length)return; const btn=document.getElementById('i2pbtn');btn.disabled=true; document.getElementById('prog3').style.display='block'; const setP=(p,t)=>{document.getElementById('pf3').style.width=p+'%';document.getElementById('pl3').textContent=t;}; const papers={a4:[595,842],letter:[612,792]}; const doc=await PDFLib.PDFDocument.create(); for(let i=0;i<_imgs.length;i++){ setP(Math.round(5+(i/_imgs.length)*90),`Adding image ${i+1}/${_imgs.length}...`); const f=_imgs[i]; const ab=await f.arrayBuffer(); let img; try{img=f.type==='image/png'?await doc.embedPng(ab):await doc.embedJpg(ab);} catch{const c=document.createElement('canvas');const im=await new Promise(r=>{const x=new Image();x.onload=()=>r(x);x.src=URL.createObjectURL(f);});c.width=im.width;c.height=im.height;c.getContext('2d').drawImage(im,0,0);const d=c.toDataURL('image/jpeg',.92).split(',')[1];const b=Uint8Array.from(atob(d),c=>c.charCodeAt(0));img=await doc.embedJpg(b);} const ps=document.getElementById('ps3').value; let pw=img.width,ph=img.height; if(ps!=='fit'){[pw,ph]=papers[ps]||[595,842];} const pg=doc.addPage([pw,ph]); const sc=Math.min(pw/img.width,ph/img.height); const dw=img.width*sc,dh=img.height*sc; pg.drawImage(img,{x:(pw-dw)/2,y:(ph-dh)/2,width:dw,height:dh}); } setP(98,'Saving...'); const out=await doc.save({useObjectStreams:true}); setP(100,'Done!'); document.getElementById('r3pg').textContent=_imgs.length; document.getElementById('r3sz').textContent=fmtSize(out.byteLength); document.getElementById('res3').classList.add('show'); const name=document.getElementById('pname3').value||'images-to-pdf.pdf'; const blob=new Blob([out],{type:'application/pdf'}); const url=URL.createObjectURL(blob); document.getElementById('i2pdl').onclick=()=>{const a=document.createElement('a');a.href=url;a.download=name;a.click();}; btn.disabled=false; setTimeout(()=>{document.getElementById('prog3').style.display='none';},800); }