FileOz

PNG to ICO

Image tools

Pick 16, 32, 48, 64, 128 and 256 px, keep transparency, and download a single .ico that browsers and Windows both read.

Drop in a file, pick a format, download. No account needed to start.

Drag files here, or click to select

PNGJPGWebPBMP

Max 100MB per file · 100% local processing

Files never leave your device

Icon sizes

One .ico file holds every size you pick. 16/32/48 covers favicons; 256 is the Windows app icon size.

Non-square images are centre-cropped to a square — icons are always square.

Add this to your HTML head<link rel="icon" href="/favicon.ico" sizes="16x16 32x32 48x48">

Unlimited conversions · Always free · Files never leave your device

  • Files never leave your device
  • Free and unlimited
  • No sign-up, no watermark

Frequently asked questions

Is this tool free?

Yes — free and unlimited. No account, no watermark, no per-file charge.

Which formats are supported?

Each tool lists the formats it accepts under the drop area. Image tools take JPG, PNG and WebP; PDF tools take PDF files, while JPG to PDF accepts JPG, PNG, WebP and HEIC.

Can I process several files at once?

Image compression, resizing and JPG to PDF take up to 50 files per batch and download together as a ZIP. Splitting, deleting pages, merging and extracting work on the files shown in the panel — one PDF at a time where the tool is single-document.

Are my files uploaded anywhere?

No. Every step runs in your browser, so files never leave your device — you can verify it in the network panel.

Will compression reduce quality?

Compression re-encodes JPG and WebP at the quality you choose, so some loss is expected below 100%; PNG stays lossless. Merged, split and page-deleted PDFs keep their original content, and PDF tools that render or re-encode images say so in the result panel.

Which sizes should I pick?

16, 32 and 48 px cover browser tabs and bookmarks; add 256 px for Windows app icons. All chosen sizes live in one .ico file, so a single link tag is enough.

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