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View a ELF file online, free

Open and read .ELF files online. View source, logs and text with syntax highlighting, search and line numbers, free.

Drop your .ELF file here

Opens your .ELF file right here.

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Up to 50 MB · 160+ text and code extensions
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What you get for a .ELF file

We don't have a dedicated viewer for this format, so we identify and inspect it instead — honestly, only what can be read from the file.

01

Drop your .ELF file

Choose it or drag it in. It's read right here in your browser.

02

We identify it

We read the magic bytes to tell what the file really is, its MIME type, and whether the name matches the contents.

03

See the details

Any metadata we can extract (dimensions, EXIF/GPS, document author and dates), a hex view, plus readable text and strings found inside.

What is a .ELF file?

Plain text that programs, servers and people write every day.

An ELF file is an executable data format developed by Unix System Laboratories. These files typically contain binary code and data used by Unix and Linux operating systems. They can be opened or executed using various platforms and emulators, including Dolphin, NetBSD, NeutrinoSX2, PS2emu, and Linux-based environments.

Programs that open .ELF files

Windows
Dolphin (GameCube/Wii emulator), Ghidra, PCSX2 (PlayStation 2 emulator)
macOS
Ghidra
Linux
Ghidra, Linux (run it), objdump (GNU binutils), readelf (GNU binutils)
.ELF format details
Full nameExecutable and Linkable Format
DeveloperUnix System Laboratories (AT&T); now an open System V / TIS standard
First released1989 (Unix System V Release 4); adopted as the TIS/System V ABI standard
CategoryText & Code
MIME typeapplication/x-elf
Signature7F 45 4C 46 "\x7FELF" - 0x7F then ASCII "ELF"

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Frequently asked questions

Is my .ELF file uploaded anywhere?

No. The file is read and highlighted for you.

Why do some characters look wrong (é, ł)?

That usually means the file was saved in one encoding and opened in another. We detect UTF-8, UTF-16 and the Windows-1250/1252 code pages automatically and show which one was used.

Can it handle huge log files?

Yes, up to 50 MB. Only the lines on screen are drawn, so scrolling stays smooth. Syntax colours are switched off for files over 1.5 MB to keep things fast.

How do the log level filters work?

We find levels like ERROR, WARN, INFO and DEBUG on each line. Lines without a level, such as stack traces, stay with the entry above them, so filtering to errors keeps the full trace.

Can I edit the file?

This is a viewer. To change code, download it or copy it into your editor. Converting encodings and line endings is planned.

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