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Free HDR Image Converter Online

Convert Radiance HDR images to standard viewable formats

Convert HDR Files

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Convert HDR to Other Formats

Convert your HDR files to 4 different formats

HDR→PNGHDR→JPGHDR→WEBPHDR→PDF

HDR Converter Features

Why choose our HDR converter

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High dynamic range

High dynamic range

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32-bit floating point

32-bit floating point

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Light probe support

Light probe support

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Environmental lighting

Environmental lighting

How to Convert HDR Files

Converting HDR files is quick and easy

Upload Your File

Drag and drop your file or click to browse. We support over 300 file formats. 💡 Pro Tip: You can drag and drop multiple files at once!

Choose Output Format

Select your desired output format from our comprehensive list of options.

Convert Instantly

Our powerful servers process your file in seconds with high quality results.

Download Result

Download your converted file immediately. Files are kept for 24 hours.

About HDR Format

HDR HDR is a image format. Radiance HDR.

HDR Technical Details

  • Full Name: Radiance HDR
  • Developer: Greg Ward
  • Compression: RLE
  • Transparency: Not Supported
  • Animation: Not Supported
  • Lossless: Yes

Common HDR Use Cases

  • 3D rendering
  • Environmental mapping
  • HDR photography

Convert HDR to Any Format

With FreeFast, you can convert HDR files to 4 different formats including PNG, JPG, WEBP, PDF. Each conversion uses settings for the selected output format, with results depending on the source file and target format.

Why use FreeFast for HDR conversion?

FreeFast is a browser-based HDR converter built for practical file jobs. It focuses on clear conversion paths, visible limits, and useful output without installing extra software:

  • Free daily credits and no watermarks: Start with 10 free daily conversions and download output files without branding.
  • Bulk/batch converter support: Upload and convert multiple HDR files within plan, browser, and file-size limits.
  • No signup to start: Start converting files without creating an account for your first file jobs.
  • Quality controls: Conversion settings are chosen for the selected format pair, with results depending on the source file and output type.
  • Encrypted transfer: Uploads and downloads use HTTPS/TLS, and temporary files are cleared after the processing and deletion window.

FreeFast HDR Converter Specification Table

FeatureSpecification Details
Max Upload File Size1 GB (1,000 MB) per conversion
Privacy and Deletion PolicyConfigured result-retention window
File TransferHTTPS/TLS uploads and downloads
Batch & Bulk ProcessingSupported within plan and browser limits
Compatible Operating SystemsWindows, macOS, Linux, iOS, Android, ChromeOS
Account SignupNo signup required for your first file jobs
Watermarks & Visual EditsNone. Output files are clean and unmodified

End-to-End Privacy & File Safety

Files are handled for the conversion you request. Uploads and downloads use HTTPS/TLS, and temporary files are cleared after the processing and deletion window.

Format comparison notes

When choosing between formats, understanding key attributes helps optimize quality and compatibility:

Strengths of HDR

  • Authoritative standard optimized for high compatibility.
  • Exceptional balance between quality and file footprint.
  • Supported out of the box by modern browsers, editors, and OS.

Quality and compression

While converting files, the processor handles scaling, color spaces, metadata, and bitrates where the selected workflow supports them. Review downloaded files before sharing important work.

FreeFast converter link badge

Add a simple link badge to a help article, intranet page, or workflow checklist when readers need a direct HDR conversion shortcut:

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Other Image Formats

pngjpgjpegwebpgifbmptifftificojfif

HDR Converter FAQ

HDR (Radiance HDR) is an image file format. HDR files can be opened by most image viewers and can be converted to other formats using our free online converter.
Upload your HDR file to the converter, select your desired output format (PNG, JPG, WEBP, etc.), and click Convert. The job status appears while the file is processed.
You can start with free daily conversions. Accounts and paid plans are available for higher-volume work, and downloaded files are not watermarked.
You can convert HDR to PNG, JPG, WEBP, GIF, BMP, TIFF, ICO, PDF, AVIF, HEIC, and many more formats.
Yes. You can add multiple HDR files to a batch and process them together within the current file-size and credit limits.

Ready to Convert Your HDR Files?

Start with 10 free daily conversions. No signup required for your first file jobs.

Convert Now