100% Free Online Image Format Converter — Convert 12 Formats Privately

Transcode up to 100 images simultaneously between JPG, PNG, WebP, AVIF, ICO, GIF, BMP, TIFF, JFIF, APNG, and CUR formats. Preserve alpha transparency and multi-resolution favicons with zero server uploads. Free & unlimited.

Drop images here to transcode formats instantly in your browser

Max 20 MB per file · Instant WebAssembly transcoding · 100% Private local session

JPGJPEGPNGWEBPAVIFICOGIFBMPTIFFJFIFAPNGCUR

Auto-compress on upload

12-Format Transcoding Engine Alpha Channel Transparency Favicon & Cursor Creator 100% Private Client-Side

Universal Image Transcoding Suite — Multi-Format WebAssembly Engine

The ImageVixo Format Converter is a client-side transcoding studio engineered to seamlessly convert graphics between 12 raster and bitmap image extensions: JPG, JPEG, PNG, WEBP, AVIF, ICO, CUR, GIF, BMP, TIFF, JFIF, and APNG. Powered by WebAssembly (WASM) compiled C/C++ codecs, ImageVixo preserves alpha channel transparency, multi-resolution Favicon structures, and bit-depth fidelity 100% locally inside your browser RAM with zero server uploads.

Keyboard Shortcuts for Power Users

Optimize your batch image conversion workflow using native key bindings. All transcoding commands execute strictly inside local browser memory.

Select All Ctrl + A

Deselect All / Close Esc

Delete Selected Backspace

Download Selected Ctrl + D

Apply / Compress Ctrl + Enter

12 Universal Format Extensions

Convert any source photo or graphic into modern web publishing formats (WebP, AVIF), legacy web extensions (JPG, PNG, GIF), developer icons (ICO, CUR), or print graphics (TIFF, BMP, JFIF).

Alpha Channel Transparency

Retain full 8-bit alpha transparency when converting PNG, WebP, AVIF, and APNG files. Prevent ugly black background artifacts during web image conversions.

Favicon (.ICO) Multi-Resolution Package

Generate multi-size Windows Favicons (.ICO) containing up to 10 standard square icon resolutions (16x16, 32x32, 48x48, up to 256x256) inside a single container file.

Windows Cursor (.CUR) Hotspot Targeting

Transcode images to custom Windows Cursor (.CUR) pointer files with pixel-exact X/Y click hotspot positioning (Top-Left, Center, or Custom coordinates).

Next-Gen AVIF & WebP Adoption

Convert legacy JPEGs and PNGs into next-generation AVIF and WebP streams to boost page load speed, lower server bandwidth, and pass Google PageSpeed Insights audits.

Zero Server Uploads & 100% Privacy

All binary header stream parsing, color depth transformations, and quantization passes occur inside local browser RAM. Ideal for confidential design work and personal photos.

Popular Image Transcoding Pathways & Technical Benefits

Review common format conversion goals and technical advantages:

Conversion Pathway	Alpha Transparency	Avg. Size Reduction	Primary Web Advantage	Recommended Use Case
PNG → WebP	Full 8-bit Alpha	60% – 85%	Massive payload reduction while preserving crisp transparency	Website Logos, Product Portfolios, UI Graphics
JPG → AVIF	No Alpha	75% – 95%	Next-gen AV1 intra compression with superior color gradient fidelity	Hero Banners, Blog Thumbnails, E-commerce Photography
PNG / JPG → Favicon (.ICO)	Full Alpha Support	N/A (Multi-Icon)	Packages 10 square icon resolutions (16x16 to 256x256) into 1 file	Browser Address Bar Icons, App Shortcuts
BMP / TIFF → JPG / PNG	Optional Alpha	50% – 90%	Converts uncompressed print bitmaps into lightweight web-ready files	Archival Scans, Digital Photography Pre-Press
GIF → APNG / WebP	Full Alpha Support	30% – 70%	Replaces 256-color palette limits with true 24-bit animated graphics	UI Animations, Transparent Logos

How to Convert Image Formats Online with ImageVixo

Follow these four simple steps to convert photos and graphics between 12 supported formats:

Upload / Drop Files

Drag & drop up to 100 images (JPG, PNG, WebP, AVIF, ICO, GIF, BMP, TIFF, JFIF, APNG, CUR) or select a local folder.

Configure Parameters

Select Smart Auto mode or adjust quality sliders, compression effort, target sizes (KB/MB), or output format conversions.

Enhance & Watermark

Crop to 32+ aspect ratios, pad canvas bounds, tune 25 tone sliders, apply 65+ filters, stamp watermarks, and build EXIF profiles.

Audit & Export ZIP

Inspect magic-byte file signatures in the Validator panel, compare quality with the side-by-side slider, and download a ZIP package.

Frequently Asked Questions (FAQ)

Common questions regarding image format conversions, alpha transparency, and favicons:

How does converting PNG to WebP or AVIF maintain transparency?

Next-generation formats like WebP and AVIF feature full 8-bit alpha channel support. When transcoding transparent PNGs to WebP or AVIF, ImageVixo preserves alpha transparency pixel-for-pixel while reducing file size by up to 80%.

How does the Favicon (.ICO) generator work?

The Favicon converter takes any source graphic and packages it into a multi-resolution Windows Favicon (.ICO) file containing up to 10 standard square icon sizes (16x16, 32x32, 48x48, up to 256x256).

Are my files stored or uploaded to any server during conversion?

No. All 12 image conversions execute locally inside your web browser RAM using WebAssembly compiled C/C++ codecs. Your image data never leaves your device.