How do I convert HDR to PPM?

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

Is it safe to convert HDR to PPM here?

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

Is the HDR to PPM 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 PPM reduce quality?

No — PPM 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 PPM back to HDR?

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

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

HDRPPM

Convert HDR to PPM

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 PPM

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 PPM
PPM 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 PPM
Download each PPM file, or everything at once as a ZIP.

HDR vs PPM

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 →

PPM · Portable Pixmap

PPM is a deliberately simple uncompressed RGB format from the Netpbm toolkit, popular for image processing pipelines.

Type: Image
Extension: .ppm
MIME: image/x-portable-pixmap
Best for: image processing and computer vision tooling

Lossless

All PPM conversions →

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

HDR to PPM: frequently asked questions

Free, private and in your browser