How do I convert ICO to HDR?

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

Is it safe to convert ICO to HDR here?

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

Is the ICO to HDR 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 ICO to HDR reduce quality?

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

Can I convert multiple ICO 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 HDR back to ICO?

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

HDR→ICO ICO→PNG PNG→HDR ICO→JPG JPG→HDR ICO→WebP WebP→HDR ICO→JPEG HEIC→HDR ICO→PDF JPEG→HDR ICO→GIF ICO→AVIF ICO→TIFF ICO→BMP ICO→PSD ICO→EPS ICO→JXL ICO→TGA ICO→DDS ICO→EXR ICO→JP2 ICO→CUR ICO→PPM ICO→QOI ICO→PCX ICO→PGM ICO→PBM ICO→PNM ICO→XPM GIF→HDR AVIF→HDR SVG→HDR TIFF→HDR BMP→HDR HEIF→HDR PSD→HDR EPS→HDR AI→HDR JXL→HDR CR2→HDR NEF→HDR DNG→HDR CR3→HDR ARW→HDR TGA→HDR DDS→HDR EXR→HDR RAF→HDR 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 PNG→ICO JPG→ICO 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

ICOHDR

Convert ICO to HDR

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

Runs in your browser
No watermark
Batch & ZIP download

How to convert ICO to HDR

1
Add your ICO files
Drag and drop ICO files onto the converter, paste them, or click to browse. You can add several at once.
2
Choose HDR
HDR 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 HDR
Download each HDR file, or everything at once as a ZIP.

ICO vs HDR

From

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 →

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 →

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

ICO to HDR: frequently asked questions

Free, private and in your browser