How do I convert HDR to ICO?

Drop your HDR file onto the converter above, make sure ICO is selected, and click Convert. When it's done, download the ICO file — it usually takes a few seconds.

Is it safe to convert HDR to ICO here?

Yes. HDR to ICO conversion happens entirely inside your browser using WebAssembly, so your file is never uploaded to any server.

Is the HDR to ICO converter free?

Yes — free with no watermark. Signed-out visitors can convert 25 files a day, and a free account raises that to 250.

Will converting HDR to ICO reduce quality?

No — ICO preserves the content of your HDR file as faithfully as the format allows.

Can I convert multiple HDR files at once?

Yes. Add up to 5 files at a time without an account, 10 with a free account and up to 500 on paid plans, then download them individually or as a single ZIP.

Can I convert ICO back to HDR?

Yes — use our ICO to HDR converter. Note that converting back and forth between formats can't recover detail lost to lossy compression.

ICO→HDR HDR→PNG PNG→ICO HDR→JPG JPG→ICO HDR→WebP WebP→ICO HDR→JPEG HEIC→ICO HDR→PDF JPEG→ICO HDR→GIF HDR→AVIF HDR→TIFF HDR→BMP HDR→PSD HDR→EPS HDR→JXL HDR→TGA HDR→DDS HDR→EXR HDR→JP2 HDR→CUR HDR→PPM HDR→QOI HDR→PCX HDR→PGM HDR→PBM HDR→PNM HDR→XPM GIF→ICO AVIF→ICO SVG→ICO TIFF→ICO BMP→ICO HEIF→ICO PSD→ICO EPS→ICO AI→ICO JXL→ICO CR2→ICO NEF→ICO DNG→ICO CR3→ICO ARW→ICO TGA→ICO DDS→ICO EXR→ICO RAF→ICO PNG→JPG JPG→PNG PNG→WebP JPG→WebP WebP→PNG WebP→JPG HEIC→PNG HEIC→JPG MP4→MP3 PNG→JPEG JPG→JPEG JPEG→PNG JPEG→JPG PNG→PDF JPG→PDF PDF→PNG PDF→JPG HEIC→WebP MP4→WebP PDF→DOCX DOCX→PDF JPEG→WebP WebP→JPEG PNG→GIF JPG→GIF GIF→PNG GIF→JPG MP4→MOV MOV→MP4 WebP→PDF HEIC→JPEG WebP→GIF GIF→WebP HEIC→PDF MP3→WAV WAV→MP3 JPEG→PDF PDF→JPEG SVG→PNG SVG→JPG HEIC→GIF MOV→MP3 MP4→GIF GIF→MP4 JPEG→GIF GIF→JPEG PNG→AVIF JPG→AVIF AVIF→PNG AVIF→JPG MP3→M4A M4A→MP3 GIF→PDF SVG→PDF PNG→SVG JPG→SVG PDF→SVG SVG→WebP MOV→WebP MP4→WAV MP4→WebM WebM→MP4 WebP→AVIF AVIF→WebP WebP→SVG SVG→JPEG MP4→MKV MKV→MP4 HEIC→AVIF MP4→M4A JPEG→AVIF AVIF→JPEG JPEG→SVG MOV→GIF GIF→MOV WebM→MP3 AVIF→PDF MP3→FLAC FLAC→MP3 MP4→AVI AVI→MP4 MKV→MP3 GIF→AVIF AVIF→GIF SVG→GIF GIF→SVG WebM→WebP MOV→WAV XLSX→PDF CSV→PDF EPUB→PDF PDF→EPUB MOV→WebM WebM→MOV MKV→WebP ICO→PNG ICO→JPG MP3→AAC WAV→M4A AAC→MP3 M4A→WAV MP4→FLAC AVI→MP3 MOV→MKV MKV→MOV MOV→M4A DOCX→EPUB EPUB→DOCX CSV→DOCX PDF→TXT DOC→PDF

HDRICO

Convert HDR to ICO

Free, fast and private. Your HDR files are converted right in your browser — nothing is uploaded.

Runs in your browser
No watermark
Batch & ZIP download

How to convert HDR to ICO

1
Add your HDR files
Drag and drop HDR files onto the converter, paste them, or click to browse. You can add several at once.
2
Choose ICO
ICO is already selected. Open Options if you want to change quality, size or metadata.
3
Convert
Click Convert. Your files are converted right in your browser in seconds.
4
Download your ICO
Download each ICO file, or everything at once as a ZIP.

HDR vs ICO

From

HDR · Radiance HDR

Radiance HDR (RGBE) stores high-dynamic-range images and is widely used for environment maps and image-based lighting.

Type: Image
Extension: .hdr
MIME: image/vnd.radiance
Best for: HDRI environment maps in 3D software

HDR

All HDR conversions →

ICO · Windows Icon

ICO is the Windows icon format. A single ICO can hold several sizes of the same icon, which is why it's still used for website favicons.

Type: Image
Extension: .ico
MIME: image/x-icon
Best for: favicons and Windows application icons

Transparency

All ICO conversions →

Need it the other way around? Convert ICO to HDR.

HDR to ICO: frequently asked questions

Free, private and in your browser