Image Format Converter

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Drop images here, or click to choose

Supports PNG, JPEG, WebP, AVIF, GIF, BMP, HEIC/HEIF — select many at once

Convert a specific format

This is a free online image converter that changes image formats right in your browser. It reads PNG, JPEG, WebP, AVIF, GIF, BMP and iPhone HEIC/HEIF, and writes PNG, JPEG, WebP or AVIF — in batches, with no watermark and no limits. Everything runs locally, so your images never upload to any server. Looking for one specific conversion? Pick it from the links below and go straight to a dedicated page.

How to convert image formats

  1. 1

    Add images

    Drag images into the upload area or click to choose. Add many at once — PNG, JPEG, WebP, AVIF, GIF, BMP, and HEIC/HEIF are all supported.

  2. 2

    Pick format & settings

    Choose an output format (PNG / JPEG / WebP / AVIF), then adjust quality, the JPEG background color, or limit the longest edge to shrink dimensions.

  3. 3

    Convert & download

    Click Convert to encode locally in your browser. Download each image, or grab them all as a ZIP — nothing is ever uploaded.

Key features

Convert popular formats

Convert freely between PNG, JPEG, WebP and AVIF — pick any source, pick any target, and run the whole batch at once.

iPhone HEIC & HEIF input

Turn iPhone HEIC/HEIF photos into universal JPG, PNG, or WebP so Windows, Android, and older software can open them with no fuss.

AVIF for smaller files

AVIF output is typically 30–50% smaller than JPEG at the same quality. The encoder loads on demand on first use, so the page stays fast.

Batch conversion

Drop in dozens of images at once, convert them all to the same target format, and download everything in a single ZIP — no more one-by-one.

Local processing · private

Everything happens inside your browser. Images never upload to a server or pass through any backend, so even sensitive photos stay safe.

Control quality & transparency

Tune quality on lossy formats to balance sharpness and size, set a background color when converting to JPEG, and cap the longest edge to compress dimensions.

Common uses

Speed up a website

Convert photos to WebP or AVIF to cut file size while keeping quality — faster page loads and better SEO and Core Web Vitals.

Standardize iPhone photos

Batch-convert iPhone photos into a universally supported format so they're easy to share and view on Windows, Android, social platforms, or older photo apps.

Meet upload requirements

Some forms, forums, and e-commerce dashboards only accept JPG or PNG. Convert WebP / AVIF / HEIC into the required format in seconds.

When you need transparency or lossless

Switch to a lossless format when you need crisp edges or an alpha channel for icons, or to a compressed one when flat photos need to shrink further.

FAQ

Are my images uploaded to a server?

No. Every conversion runs locally in your browser — images are never uploaded to any server and never pass through a backend. You can even convert already-loaded images offline, so your privacy is fully protected.

Which formats can I convert between?

Output supports PNG, JPEG, WebP and AVIF. For input, those four plus GIF, BMP and iPhone HEIC/HEIF are all accepted. Each common conversion also has its own dedicated page — see the links below.

Can I convert photos from my iPhone?

Yes. Just drag in iPhone HEIC/HEIF photos and choose JPG (or PNG, WebP) as the output format. Decoding also happens locally, and the result opens normally on Windows, Android, and most software.

What's the difference between AVIF and WebP — which should I pick?

Both are more efficient than JPEG. AVIF usually has the best compression and the smallest size at equal quality, but the encoder downloads on first use and conversion is a bit slower. WebP is natively supported by browsers, converts faster, and has wider compatibility. Pick AVIF for the smallest files, WebP for speed and compatibility.

Can I convert several images at once?

Yes — batch is supported. Drop in or select multiple images, convert them all to the same target format, then download each one or click Download ZIP to grab everything at once.

Does converting lose quality? Is there a watermark?

There's no watermark at all. Converting to PNG is lossless; for lossy formats like JPEG / WebP / AVIF you can adjust the quality — higher is closer to the original. Set quality to maximum for a virtually lossless result.

Where did the transparent background go after converting to JPEG?

JPEG doesn't support an alpha channel, so transparent areas are filled with the background color you choose (white by default). To keep transparency, pick PNG, WebP, or AVIF as the output format instead.

Convert your images now

Free, batch, fully in-browser, no upload. Pick a few images and get the format you need in seconds.

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