Free Online Image Converter

Convert, compress, and resize images instantly in your browser. No upload. No registration. Your files stay on your device.

100% private — all processing happens locally in your browser

Image Conversion Tools

PNG to JPG

Convert PNG images to JPG for smaller file sizes. Transparent areas are filled with white.
JPG to PNG

Convert JPG images to lossless PNG. Ideal for editing or when you need a lossless copy.
PNG to WebP

Convert PNG to WebP for 25–35% smaller files. Transparency is fully preserved.
WebP to PNG

Convert WebP to PNG for universal compatibility. Transparency preserved.
JPG to WebP

Convert JPG to WebP for better compression and faster page loads. Recommended for web.
WebP to JPG

Convert WebP to JPG for maximum compatibility with older devices and software.
Image Compressor

Reduce image file size with a quality slider. Supports JPG, PNG, and WebP output.
Resize Image

Resize images to exact pixel dimensions. Keep aspect ratio automatically.
PNG to AVIF

Convert PNG to AVIF for up to 50% smaller files. Transparency preserved.
JPG to AVIF

Convert JPG to next-gen AVIF for dramatically smaller web images.
AVIF to PNG

Convert AVIF to PNG for universal software compatibility. Lossless output.
AVIF to JPG

Convert AVIF to JPG for maximum device and software compatibility.
BMP to JPG

Reduce enormous BMP file sizes to compact JPG. 90–97% size reduction.
BMP to PNG

Convert BMP to PNG for lossless compression and smaller files.
JPG to BMP

Create uncompressed BMP files for legacy Windows applications.
PNG to ICO

Generate website favicons in 16×16, 32×32, and 48×48 sizes from any PNG.
JPG to ICO

Convert JPG to ICO favicon. Creates multi-size ICO for all browsers.
ICO to PNG

Extract ICO icon images to PNG for editing in any image editor.
TIFF to JPG

Convert large TIFF files to web-ready JPG. Supports uncompressed and PackBits TIFF.
TIFF to PNG

Convert TIFF to PNG for lossless quality and universal compatibility.

What FreeImageConvert Is For

FreeImageConvert is built for practical image jobs that come up every day: making files lighter for upload, switching formats for compatibility, preparing web assets, and resizing graphics to exact pixel targets. These are not heavy desktop-editing tasks. They are the quick conversions people need to finish and move on from.

Why Local Processing Is the Core Idea

Every tool on this site runs in your browser using standard web APIs such as Canvas and createImageBitmap. Your files are processed on your device instead of being uploaded to a conversion server. That matters for speed, privacy, and day-to-day trust, especially when the images are internal drafts, client work, or screenshots you would rather not send to a third party.

  • Private by default: source files stay on your device during conversion.
  • Fast for one-off tasks: no server queue and no account setup.
  • Useful for repeated production work: batch conversion, compression, and resizing are built into the workflow.
  • Focused tools instead of a bloated editor: each page solves a specific format or output problem.

How to Choose the Right Tool Quickly

PNG to JPG

Use this when a PNG is heavier than it needs to be and transparency is not required. It is a common fix for uploads, email attachments, and photo sharing.

JPG to PNG

Use this when you want a lossless working copy for editing or when a workflow prefers PNG. It does not restore lost JPG detail, but it prevents more loss from repeated saves.

PNG or JPG to WebP

Use WebP when you are preparing assets for modern websites and want better file efficiency than PNG or JPG, especially for web delivery.

Compression

Use the compressor when the format is mostly fine and the real problem is file weight. The quality mode is fast for visual tuning, while target size mode is better when an upload cap matters.

Resize

Use the resizer when the destination needs exact dimensions, like 1200 x 630 preview cards, 1080 x 1080 social posts, thumbnails, avatars, banners, or product images.

What These Tools Are Best At

This site is strongest at clean, browser-native tasks: single conversions, quick batches, delivery format changes, and routine image preparation. If you need masking, retouching, background removal, multi-layer editing, or AI enhancement, a dedicated editor is still the better tool. For fast format work, though, staying in the browser is often enough.