Free local tool / format conversion

Image Converter — convert JPG, PNG & WebP online

One image converter for the three formats you meet every day. Drop in any JPG, PNG, or WebP — the tool detects what it really is and converts it to the format you need, right in your browser.

JPG · PNG · WebPAuto format detectionNever uploadedFree, no watermark

Local format workbench

3 files · 80MB / 48MP batch budget · decoded and encoded in this tab

Processed locally, never uploaded

Choose JPG, PNG, or WebP images

Export JPG without uploading the source file. Width and height are preserved.

Drop, browse, or paste an image

STEP BY STEP

How to convert an image

  1. Add any image

    Drag in your file. The converter reads its actual format — even when the file extension lies, which happens more than you’d think.

  2. Pick the output format

    JPG for small universal files, PNG for lossless quality and transparency, WebP for the modern web.

  3. Adjust if needed

    Lossy outputs get a quality slider; images with transparency going to JPG get a background color choice.

  4. Download

    Same picture, new format, converted on your own device.

REAL-WORLD USES

One converter, many little emergencies

“This file type isn’t supported”

Whatever a form, app, or colleague requires, converting between JPG, PNG, and WebP resolves the standoff in seconds.

Mystery files

Got an image that claims to be .jpg but won’t open? The auto-detection identifies what it really is and converts it properly.

Preparing one image for several destinations

The same graphic might need to be a WebP for your site, a JPG for a newsletter, and a PNG for a slide deck. Convert copies as needed.

WHAT YOU GET

Why use this image converter

Detects the truth

The converter identifies the file by its actual contents. Misnamed files get converted correctly instead of failing mysteriously.

Sensible per-format controls

Quality control where the format is lossy, transparency fill where it must be flattened — only the choices that apply.

Nothing to install, nothing uploaded

Runs entirely in the browser tab. Your image never travels to a server, ours or anyone else’s.

Guides you to the right specialist

For direction-specific advice — like HEIC from an iPhone or transparency decisions — the dedicated pages below go deeper.

01 / FIELD NOTE

Which format should you convert to?

Converting an iPhone photo? HEIC needs a different decoder, so it has its own dedicated tool: HEIC to JPG — equally free and local.

ChooseWhenTrade-off
JPGPhotos to share, upload, or email; maximum compatibilitySmall files, but each save loses a little quality; no transparency
PNGLogos, screenshots, graphics, anything mid-editPerfect quality and transparency, but large for photos
WebPImages published on your own websiteSmallest files; a few older desktop apps still can’t open it

NEXT / WORKFLOW

QUESTIONS & ANSWERS

Image converter FAQ

Which formats does this image converter support?

JPG, PNG, and WebP in both directions — the three formats that cover almost all everyday image work. HEIC (iPhone) has its own dedicated converter, and PDFs are handled by Image to PDF and PDF to Image.

Is converting an image free? Any watermark?

Completely free, no watermark, no ads. Single images don’t even need an account; a free sign-in only unlocks bigger batches.

Does converting change my image’s size or quality?

Width and height never change. Quality depends on direction: converting to PNG is lossless; converting to JPG or WebP applies compression you control with the quality slider.

Why does the converter refuse to convert JPG to JPG?

Because that would just re-compress your image and lose quality for nothing. If your goal is a smaller JPG, that’s a compression job — the Image Compressor does it properly.