How do I convert ERF to PNG?

Upload your ERF file above. It is converted to PNG automatically (change the output format or quality in the Settings tab if you need to), then click Download. There is nothing to install.

Does converting ERF to PNG lose quality?

No. Both formats are lossless, so every pixel is kept exactly.

ERF or PNG: which should I use?

Use ERF for adjusting exposure and white balance with maximum latitude. Use PNG for screenshots, logos, text graphics and cut-outs. Keep in mind the main drawback of PNG: large files for photographs.

ERF is the RAW format of the Epson R-D1 rangefinder. It stores the unprocessed sensor data for maximum editing latitude, so most apps can’t show it as a normal picture.

Can I convert ERF to PNG without Photoshop or Lightroom?

Yes. The ERF file is opened on our servers, so you don’t need Photoshop or Lightroom or any other software installed. Upload the file, then download the finished PNG.

Is the ERF to PNG converter free?

Yes. Convert, preview and download a single result without creating an account. Premium adds batch conversion (many files into one ZIP) and larger uploads.

Convert ERF to PNG — Free Online ERF Converter

Convert ERF to PNG online at full resolution. Open camera RAW files without Photoshop or Lightroom; preview one free or batch-convert with Premium.

Drop your ERF file or click to browse

Why convert ERF to PNG?

PNG is supported far more widely than ERF, so the file is easier to open, share and upload.
PNG is made for screenshots, logos, text graphics and cut-outs.
No Photoshop or Lightroom needed: the file is opened on our servers and you download a ready-to-use PNG.

What to expect when converting ERF to PNG

The RAW file is developed at full resolution with your camera’s white balance. Keep the original ERF to re-edit exposure later.
Your original ERF file isn’t changed: you download a new PNG copy.

ERF vs PNG

Функция	ERF	PNG
Полное имя	Epson camera RAW	Portable Network Graphics
Origin	Written by Epson cameras	Published as a W3C standard in 1996
Сжатие	Unprocessed sensor data	Lossless
Transparency	Нет	Yes — smooth, partial transparency
Анимация	Нет	Нет
Цвет	12 to 16 bits per channel from the sensor	Up to 16 bits per channel
Where it opens	RAW editors such as Lightroom; not browsers or most apps	All browsers, phones, computers and image editors
Лучшее для	adjusting exposure and white balance with maximum latitude	screenshots, logos, text graphics and cut-outs
Main drawback	very large files that most apps can’t open	large files for photographs

In short: choose ERF for adjusting exposure and white balance with maximum latitude; choose PNG for screenshots, logos, text graphics and cut-outs.

Frequently asked questions

How do I convert ERF to PNG?: Upload your ERF file above. It is converted to PNG automatically (change the output format or quality in the Settings tab if you need to), then click Download. There is nothing to install.
Does converting ERF to PNG lose quality?: No. Both formats are lossless, so every pixel is kept exactly.
ERF or PNG: which should I use?: Use ERF for adjusting exposure and white balance with maximum latitude. Use PNG for screenshots, logos, text graphics and cut-outs. Keep in mind the main drawback of PNG: large files for photographs.
What is a ERF file?: ERF is the RAW format of the Epson R-D1 rangefinder. It stores the unprocessed sensor data for maximum editing latitude, so most apps can’t show it as a normal picture.
Can I convert ERF to PNG without Photoshop or Lightroom?: Yes. The ERF file is opened on our servers, so you don’t need Photoshop or Lightroom or any other software installed. Upload the file, then download the finished PNG.
Is the ERF to PNG converter free?: Yes. Convert, preview and download a single result without creating an account. Premium adds batch conversion (many files into one ZIP) and larger uploads.

Что можно сделать с помощью ERF в PNG

Прежде чем начать, ознакомьтесь с основными возможностями.

Конвертировать RAW-файлы Epson ERF в PNG без потерь
Сохраняйте все детали с матрицы камеры
Получите стандартные PNG, которые можно просматривать и распространять
Пакетно конвертируйте всю папку файлов ERF
Создавайте стандартные PNG-файлы для поддерживаемых фоторедакторов.

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Справочник по настройкам

Доступные элементы управления для ERF в PNG.

Настройки

Выходной форматВыпадающий список: Chooses the file type you download. The page opens on its own output format; switch to any other format before converting.Параметры: JPGPNGWebPAVIFGIFTIFFBMPICOPDF
КачествоСлайдерДиапазон: 20–100 · По умолчанию: 90: For JPG, WebP, AVIF and image-to-PDF output: higher keeps more detail but makes a bigger file; 60–80 suits most photos. Documents (Publisher, XPS, EPS…) become PDFs with every page and sharp text, with no quality setting.
Режим без потерьВкл / Выкл: For WebP and AVIF output: keeps every pixel exactly (best for logos, graphics and transparency) at the cost of a larger file.
Заливка фонаПипетка цвета: For JPG, BMP and image-to-PDF output, which can’t store transparency: the colour that fills transparent areas (white by default).

Режим

Один файл / ПакетВыпадающий список: Обработка одного файла или пакета с общими настройками. Пакетные результаты загружаются в виде одного ZIP-файла.Параметры: Один файлПакет

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Инструменты для общих следующих шагов после ERF в PNG.

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