Favicon-ready across browsers and OS
The 16×16, 32×32 and 48×48 sizes packed into one .ico match exactly what Chrome, Firefox, Safari, Edge and Windows shortcuts request.
PNG to ICO Converter
Free PNG to ICO converter that builds one multi-size favicon with 16×16, 32×32 and 48×48 icons. Preserve transparency and download your ICO instantly.
- Favicon-ready across browsers and OS
- Sharp at every requested size
- Your artwork stays private
- Free to build your favicon
Choose your file
Drop files here or click to upload
PNG· up to 20.0 MB per file
Files are private and deleted after conversion
Anonymous files: 20 MB. Free accounts: 50 MB and batches of 5. Paid accounts: 200 MB and batches of 100.
Why use this PNG to ICO Converter?
Free PNG to ICO converter that builds one multi-size favicon with 16×16, 32×32 and 48×48 icons. Preserve transparency and download your ICO instantly.
Sharp at every requested size
Each size is rendered separately from your canvas-fit source instead of crudely scaling one bitmap, so small sizes stay legible.
Your artwork stays private
Uploads use HTTPS, converted .ico files are auto-deleted within 24 hours, and uploaded PNGs are removed within 6–24 hours.
Free to build your favicon
Anonymous visitors get 1 free server conversion up to 20 MB; a free account adds 3 conversions every 30 days at 50 MB with batches of 5.
How to use the PNG to ICO Converter
- 01
Upload your PNG
Best results come from a square PNG with transparency, 48×48 pixels or larger — up to 20 MB anonymous, 50 MB free account, or 200 MB paid.
- 02
Automatic square canvas fit
Non-square images are centered on a transparent square canvas so the icon shapes come out consistent, even if your source PNG is a rectangle.
- 03
Multi-size .ico generation
16×16, 32×32 and 48×48 versions are rendered from the canvas and packed into a single .ico — the fixed set browsers and Windows expect for favicons.
- 04
Download your favicon-ready ICO
Grab the .ico via a signed download link — ready to drop into your site. It is auto-deleted within 24 hours, and the uploaded PNG within 6–24 hours.
Best source settings for the PNG to ICO Converter
Choose settings that match the result you need.
↔ Swipe sideways to view every column.
| Need | Recommended setting | Best for |
|---|---|---|
| Multi-size output (16/32/48, fixed) | No options to set. Your PNG is fit onto a square transparent canvas, then 16×16, 32×32 and 48×48 versions are generated and packed into a single .ico — the standard set Windows and browsers use for favicons. | No options to set. Your PNG is fit onto a square transparent canvas, then 16×16, 32×32 and 48×48 versions are generated and packed into a single .ico — the standard set Windows and browsers use for favicons. |
- Upload your PNG
- Best results come from a square PNG with transparency, 48×48 pixels or larger — up to 20 MB anonymous, 50 MB free account, or 200 MB paid.
- Automatic square canvas fit
- Non-square images are centered on a transparent square canvas so the icon shapes come out consistent, even if your source PNG is a rectangle.
PNG to ICO Converter input and output
Review what the tool accepts, how it processes the file, and what it produces.
↔ Swipe sideways to view every column.
| Feature | PNG | ICO |
|---|---|---|
| Format | PNG | ICO |
| Processing | Secure cloud processing | Secure cloud processing |
| Result | Free PNG to ICO converter that builds one multi-size favicon with 16×16, 32×32 and 48×48 icons. Preserve transparency and download your ICO instantly. | Free PNG to ICO converter that builds one multi-size favicon with 16×16, 32×32 and 48×48 icons. Preserve transparency and download your ICO instantly. |
Where to use files from the PNG to ICO Converter
The output is ready for common workflows supported by its format.
- Favicon-ready across browsers and OS
- The 16×16, 32×32 and 48×48 sizes packed into one .ico match exactly what Chrome, Firefox, Safari, Edge and Windows shortcuts request.
- Sharp at every requested size
- Each size is rendered separately from your canvas-fit source instead of crudely scaling one bitmap, so small sizes stay legible.
- Your artwork stays private
- Uploads use HTTPS, converted .ico files are auto-deleted within 24 hours, and uploaded PNGs are removed within 6–24 hours.
- Free to build your favicon
- Anonymous visitors get 1 free server conversion up to 20 MB; a free account adds 3 conversions every 30 days at 50 MB with batches of 5.
About the formats
PNG
PNG is a lossless raster image format created in the mid-1990s as a patent-free replacement for GIF. It is the standard choice for screenshots, logos, UI graphics, and any image that needs transparency.
PNG preserves every pixel exactly and supports a full 8-bit alpha channel, so text and sharp edges stay crisp. The downside is size: photographs saved as PNG are far larger than the same image as JPG or WebP. Support is universal in browsers and editors, making it a safe default for graphics — just avoid it for large photo collections.
ICO
ICO is the Windows icon format, best known today as the container behind website favicons. A single .ico file can hold the same image at several sizes — commonly 16, 32, and 48 pixels — so the system can pick the right one.
For favicons, ICO still has the broadest compatibility: browsers request /favicon.ico by default, and even very old clients understand it. The format tops out at 256 x 256 pixels and is not meant for photos or general images. Modern sites often add PNG or SVG icons alongside, but shipping a classic ICO remains the safe baseline.
Privacy and file handling
This tool uses secure cloud processing for formats or operations browsers cannot handle reliably.
- Secure transfer
- Files are transferred over HTTPS and used only for the requested operation.
- Automatic deletion
- Inputs are removed within 6–24 hours and generated outputs within 24 hours.
- Private downloads
- Results are delivered with expiring signed download links.
PNG to ICO Converter troubleshooting
- My favicon looks blurry
- Start from a square source image at least 48×48 pixels — larger is better. Small or non-square sources get scaled and padded, which softens the result. Simple, bold shapes survive the 16×16 size best.
- The icon has empty margins around it
- Non-square PNGs are fit onto a square transparent canvas, leaving transparent padding on two sides. Crop your source image to a square before converting to fill the icon completely.
- The icon background isn't transparent
- The converter preserves transparency, but only if the source PNG actually has an alpha channel. Open the PNG in an editor, remove the background so it shows a checkerboard, re-export, and convert again.
FAQ
- What sizes does the ICO contain?
- The output is a multi-size .ico containing 16×16, 32×32 and 48×48 versions of your image — the sizes Windows and browsers expect for favicons. The sizes are fixed.
- What makes a good favicon source image?
- Start from a square PNG with transparency, ideally 48×48 pixels or larger. Non-square images are fit onto a square transparent canvas, which can leave empty margins.
- Is my image kept private?
- Yes. Uploads use HTTPS, converted outputs are auto-deleted within 24 hours, and uploaded inputs are removed within 6–24 hours.
- What are the limits for this tool?
- Anonymous: 20 MB and 1 free server conversion. Free account: 50 MB, 3 conversions per 30 days, batches of 5. Paid: 200 MB and batches of 100.
- Can I choose different icon sizes than 16/32/48?
- Not currently — the .ico always contains this fixed set of three sizes, since it covers the range Windows and browsers actually request for favicons and shortcuts.
- Can I convert multiple PNGs into ICO files at once?
- Yes. Free accounts can batch up to 5 files at a time; paid accounts up to 100.
- Will the favicon work in every browser and on Windows?
- Yes. The multi-size .ico this tool builds follows the standard favicon format that Chrome, Firefox, Safari, Edge and Windows shortcuts all recognize.
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Ready to use the PNG to ICO Converter?
Free PNG to ICO converter that builds one multi-size favicon with 16×16, 32×32 and 48×48 icons. Preserve transparency and download your ICO instantly.
PNG to ICO Converter