Free · Private · No sign-up

Every file tool you need, freshly brewed

Compress, convert, resize and edit images and PDFs right in your browser. Your files never leave your device.

Compress ImageShrink JPG, PNG and WebP while keeping quality – even to an exact size in KB. Resize ImageSet new dimensions in pixels or percent, or pick a preset for social media and forms. New!Crop & RotateCrop to any shape or exact size, rotate by 90° and flip your images. JPG to PDFTurn photos and images into one PDF. Reorder pages and pick A4 or Letter. HEIC to JPGConvert iPhone HEIC photos to JPG in bulk – no app needed. Image ConverterConvert between JPG, PNG and WebP in any direction, many files at once. PDF to JPGSave every PDF page, or just the ones you need, as sharp JPG or PNG images. Merge PDFCombine several PDFs into one, in exactly the order you want. New!Compress PDFMake PDFs small enough to email or upload, with text kept sharp. New!2x2 Passport PhotoLine up your face with the guide and get a US passport photo plus a print sheet.

Why people choose ConvertKettle

Your files never leave your device

Most online converters upload your files to their servers. ConvertKettle works differently: every tool runs inside your web browser, so your photos, scans and documents are never uploaded, stored or seen by anyone.

Fast, even with big batches

With nothing to upload or download in between, results are ready almost instantly. Add dozens of files at once and grab them all in a single ZIP.

Free, with no catch

No account, no watermark, no daily limit and no "pro" version. The site is supported by a small number of ads.

Works on any device

Use ConvertKettle on Windows, Mac, Chromebook, Linux, Android, iPhone or iPad. There's nothing to install – just open the tool you need.

Free online image converter, compressor and PDF tools

ConvertKettle brings together the file tools people reach for every week – shrinking a photo for an online application, turning iPhone pictures into JPGs that open on a Windows PC, combining scanned pages into one PDF, or resizing a picture for Instagram. Every tool is free, works in your browser, and keeps your files on your own device.

Image tools

  • Compress Image – reduce JPG, PNG and WebP file size, or hit an exact target like 50 KB or 200 KB for forms and job portals.
  • Resize Image – change dimensions in pixels or percent, with presets for Instagram, YouTube, passport photos and US print sizes.
  • Crop & Rotate – crop to square, 4:5, 16:9 or an exact pixel size, and fix sideways or mirrored photos.
  • HEIC to JPG – convert iPhone and iPad photos so they open everywhere.
  • Image Converter – switch between JPG, PNG and WebP, including WebP to JPG.
  • 2x2 Passport Photo – make a US passport or visa photo at home, plus a 4×6 sheet to print.

PDF tools

  • JPG to PDF – turn photos and scans into one PDF on US Letter or A4 pages.
  • PDF to JPG – save PDF pages as high-quality images.
  • Merge PDF – combine several PDFs into one, in the order you choose.
  • Compress PDF – make PDFs small enough to email or upload while keeping text sharp.

How ConvertKettle keeps your files private

Traditional online converters send your file to a remote server, process it there and send it back. That means your photos, tax forms, IDs and contracts sit – at least for a while – on a computer you know nothing about. ConvertKettle uses the processing power already built into your web browser instead. When you choose a file, it's opened and converted on your own phone or computer, and the result is saved straight back to it. Nothing is uploaded, so there's nothing for anyone else to see, store or lose.

It's also faster: with no upload or download in between, even large batches are ready in seconds, and the tools keep working on slow or limited connections once the page has loaded.

Frequently asked questions

Is ConvertKettle really free?

Yes. Every tool is free to use with no account, no watermark and no daily limit. The site is supported by ads.

Are my files uploaded to a server?

No. All tools run inside your web browser, so your files are processed on your own device and never uploaded, stored or shared.

Is there a file size limit?

There's no fixed limit. Because files are processed on your device, the practical limit depends on your device's memory. Typical photos and PDFs work on any modern phone or computer.

Do I need to install anything?

No. ConvertKettle works in any modern browser, including Chrome, Safari, Edge and Firefox, on Windows, Mac, Chromebook, Android, iPhone and iPad.

Which tool should I use to make a photo smaller for an online form?

Use Compress Image and choose Target size, then enter the limit the form asks for, such as 100 KB. If the form also needs exact dimensions, use Resize Image first.