Image & Photo

Image Converter

Convert HEIC, JPG, PNG, WebP, GIF, BMP, and AVIF photos to any format. Batch up to 25 files at once — your images never leave your device.

Drop images here

or click to browse — HEIC, JPG, PNG, WebP, GIF, BMP, AVIF up to 50 MB each

Private by design. Files are decoded and re-encoded entirely in your browser using the Canvas API and (for HEIC) heic2any. Nothing is uploaded.

What is an image converter?

An image converter changes a picture from one file format to another — for example, the HEIC photos your iPhone produces into a JPG you can email or upload anywhere. Different formats trade off file size, image quality, transparency support, and how widely they are read by other software. JPG and WebP are great for photos, PNG preserves crisp text and transparency, and HEIC is Apple's compact modern format that many older tools still cannot open. This converter handles HEIC, JPG, PNG, WebP, GIF, BMP, and AVIF input, and outputs JPG, PNG, or WebP. It runs entirely in your browser using the Canvas API, with HEIC decoded by the open-source heic2any library, so no file ever leaves your device.

How to convert images

1
Drop in your files
Drag one or more images onto the upload area, or click to pick from your device. You can mix formats — drop HEIC photos and PNG screenshots together. Up to 25 files per batch, each up to 50 MB.
2
Pick the output format
Use JPG for the broadest compatibility (any device, any app, any decade). Use WebP for the smallest file at the same visible quality. Use PNG when you need lossless output or a transparent background.
3
Tune the quality slider
Quality 90 is a strong default for photos — high quality with a meaningful size win. Lower values shrink files more aggressively. Quality has no effect on PNG output, which is always lossless.
4
Convert and download
Click Convert all to process the queue. Each file shows its before and after size as it finishes. Download files individually, or use Download all to grab the entire batch.
5
Test on a different app or device
If you converted HEIC to JPG specifically to share with a Windows or Android user, test that the output opens correctly on their side before deleting your originals.

How browser image conversion works

1. Detect the input format from the file's MIME type and extension.
2. For HEIC/HEIF, decode via the heic2any WebAssembly library to a PNG blob.
3. For all other formats, decode directly with createImageBitmap().
4. Draw the bitmap onto a 2D canvas at its native dimensions.
5. For JPG output, paint a white background first to flatten any transparency.
6. Call canvas.toBlob(format, quality) to re-encode using the browser's codec.

Modern browsers ship native decoders and encoders for JPG, PNG, WebP, GIF, BMP, and on most platforms AVIF. The Canvas API exposes those codecs through createImageBitmap() and canvas.toBlob() — drawing one and reading the other is effectively a format conversion. HEIC is the exception: Apple's container is not natively decoded by Chromium or Firefox, so heic2any (a Wasm port of libheif) handles HEIC input on the client side. The result is identical to a server-side conversion, but with zero upload and zero retained copies.

Reference: MDN — HTMLCanvasElement.toBlob()

Common conversions

Input	Best output
iPhone HEIC photo	Convert to JPG at quality 90 — opens on every device, sharable by email, typically a similar file size to the original. The classic 'why won't Windows open this?' fix.
PNG screenshot of a UI	Keep PNG. Converting to JPG would soften the text edges; converting to WebP gives a cleaner, smaller result if size matters. Avoid lossy formats on text and line art.
WebP product photo from a CMS	Convert to JPG when you need to embed the photo in a tool that does not support WebP (some legacy email clients, older PDF generators). Compatibility win, slight size hit.
Animated GIF	Conversion produces a single still frame (the first frame). Use a dedicated GIF tool if you need to preserve animation. Edge case — animation is dropped.

When to use an image converter

Convert iPhone HEIC photos to JPG so Windows, Android, and older email clients can open them.
Re-encode a folder of PNG screenshots to WebP to cut the size of a docs site or knowledge base.
Flatten a PNG with transparency to JPG for a CMS that rejects transparent backgrounds.
Modernize legacy BMP or GIF assets to compact JPG or WebP without firing up Photoshop.
Prepare social media uploads where the platform restricts to JPG or PNG.
Strip EXIF metadata (GPS, camera serials, timestamps) by re-encoding through canvas.
Standardize a mixed batch of phone, screenshot, and download images to one consistent format.

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Frequently asked questions

Are my photos uploaded anywhere?

No. Every conversion happens locally in your browser. Standard formats use the browser's built-in Canvas codecs; HEIC is decoded by the open-source heic2any library running as WebAssembly in the page. You can verify this in your browser's network tab — there is no upload after the page loads.

Why convert HEIC to JPG?

HEIC is Apple's modern image format — it stores photos in less than half the size of JPG at the same visible quality. The downside is that older Windows builds, many email clients, some web apps, and most legacy photo viewers cannot open HEIC. Converting to JPG is the safest way to share photos with anyone outside the Apple ecosystem.

Will conversion reduce my image quality?

JPG and WebP are lossy formats, so converting to them at quality 90 introduces a tiny, usually imperceptible loss. PNG output is always lossless. Converting between two lossy formats compounds the loss slightly each time, so always start from your highest-quality original when possible.

What happens to transparency when I convert to JPG?

JPG does not support transparency. Any transparent pixels in the source are flattened against a white background before encoding. If you need to keep the alpha channel, choose PNG or WebP as the output instead.

Why does my converted file look bigger than the original?

This usually means the input was already heavily compressed. JPG at quality 90 cannot magically beat a JPG that was originally saved at quality 70. Try a lower quality, or pick WebP, which typically encodes 25–35% smaller than JPG at the same visible quality.

What about animated GIFs?

The Canvas API only sees the first frame of a multi-frame image, so converting an animated GIF produces a still image. To preserve animation, use a dedicated tool that handles GIF and APNG frame data.

How big can my files be?

Each input file can be up to 50 MB, and you can queue up to 25 files per batch. The browser's per-tab memory limit is the practical ceiling — very large batches of high-resolution images may run out of memory on lower-spec devices. If you hit that wall, process a smaller batch.

Are EXIF tags and GPS coordinates preserved?

No. The canvas pipeline strips all metadata as a side effect of re-encoding the pixels. That means GPS, camera serial, timestamps, and editing history are removed — which is usually what you want when sharing photos publicly. Save the original separately if you need the metadata.

Last updated 2026-04-28

What is an image converter?

How to convert images

Drop in your files

Drag one or more images onto the upload area, or click to pick from your device. You can mix formats — drop HEIC photos and PNG screenshots together. Up to 25 files per batch, each up to 50 MB.

Pick the output format

Use JPG for the broadest compatibility (any device, any app, any decade). Use WebP for the smallest file at the same visible quality. Use PNG when you need lossless output or a transparent background.

Tune the quality slider

Quality 90 is a strong default for photos — high quality with a meaningful size win. Lower values shrink files more aggressively. Quality has no effect on PNG output, which is always lossless.

Convert and download

Click Convert all to process the queue. Each file shows its before and after size as it finishes. Download files individually, or use Download all to grab the entire batch.

Test on a different app or device

If you converted HEIC to JPG specifically to share with a Windows or Android user, test that the output opens correctly on their side before deleting your originals.

How browser image conversion works

1. Detect the input format from the file's MIME type and extension.
2. For HEIC/HEIF, decode via the heic2any WebAssembly library to a PNG blob.
3. For all other formats, decode directly with createImageBitmap().
4. Draw the bitmap onto a 2D canvas at its native dimensions.
5. For JPG output, paint a white background first to flatten any transparency.
6. Call canvas.toBlob(format, quality) to re-encode using the browser's codec.

Common conversions

Input	Best output
iPhone HEIC photo	Convert to JPG at quality 90 — opens on every device, sharable by email, typically a similar file size to the original. The classic 'why won't Windows open this?' fix.
PNG screenshot of a UI	Keep PNG. Converting to JPG would soften the text edges; converting to WebP gives a cleaner, smaller result if size matters. Avoid lossy formats on text and line art.
WebP product photo from a CMS	Convert to JPG when you need to embed the photo in a tool that does not support WebP (some legacy email clients, older PDF generators). Compatibility win, slight size hit.
Animated GIF	Conversion produces a single still frame (the first frame). Use a dedicated GIF tool if you need to preserve animation. Edge case — animation is dropped.

When to use an image converter

Convert iPhone HEIC photos to JPG so Windows, Android, and older email clients can open them.

Re-encode a folder of PNG screenshots to WebP to cut the size of a docs site or knowledge base.

Flatten a PNG with transparency to JPG for a CMS that rejects transparent backgrounds.

Modernize legacy BMP or GIF assets to compact JPG or WebP without firing up Photoshop.

Prepare social media uploads where the platform restricts to JPG or PNG.

Strip EXIF metadata (GPS, camera serials, timestamps) by re-encoding through canvas.

Standardize a mixed batch of phone, screenshot, and download images to one consistent format.