Hex Editor

A powerful Hex Editor for IntelliJ-based IDEs that allows you to view and edit any file as raw bytes.

✨ Now supports unlimited file sizes — from KB to GB+ with smooth virtual scrolling!

Free Features

• 🚀 Unlimited file size — Handle GB+ files with smooth virtual scrolling (no memory limits)
• 👁️ View files — Classic hex + ASCII layout (16 bytes per line)
• 🔍 Hex + Text search — Find hex patterns with wildcards or text in ASCII/UTF-8
• ⚡ Fast search — Search 1 GB file in ~10 seconds with progress indicator and cancel button
• 🔎 Search navigation — Press Ctrl+F to search, F3/Shift+F3 to navigate between matches
• 📊 Data Inspector — View bytes as Int8/16/32/64, Float, UTF-8, etc. with Little/Big Endian toggle
• 🎯 Go to Offset — Jump to any position (Ctrl+G / Cmd+G) with hex or decimal input
• 📋 Copy As... — Export bytes as Hex String, C Array, Java, Kotlin, Python, Go, Base64
• 🎨 Synchronized highlighting — Hex and ASCII areas stay in sync when selecting
• ⌨️ Full keyboard navigation — Arrow keys, Page Up/Down, Home/End, Shift+selection

Paid Features

• ✏️ Full editing — Edit hex values and ASCII characters directly in place
• ⏪ Undo/Redo — 100 operations history (Ctrl+Z / Ctrl+Shift+Z)
• ⌨️ Layout-independent input — Hex input works with any keyboard layout (Russian, German, etc.)
• 💾 Auto-save — Changes saved automatically like standard editors
• 🔄 External change detection — Conflict dialog when file modified on disk

Structure Viewer

Integrated with the IDE's Structure tool window — view the internal layout of binary files as a navigable tree.

• 10 built-in parsers — PNG, ZIP/JAR, Java .class, PE (exe/dll), ELF, Mach-O, PDF, WebAssembly (.wasm), ISO 9660, Windows Minidump (.dmp)
• Click to navigate — Select any structure element to jump to its bytes and highlight the range
• Color highlighting — Structural ranges are color-coded directly in the hex view
• Free: Top-level structure overview (sections, headers, chunks)
• Paid: Detailed view with all nested fields and attributes

Supported File Types

Built-in file types with icons:

• Executables & libraries: .exe, .dll, .so, .dylib, .obj, .o, .elf, .macho, .sys, .ocx, .scr, .wasm, .efi, .ko
• Binary data & images: .bin, .iso, .img, .rom, .fw, .firmware, .dmp, .dump

Auto-detected as binary (also opens in hex editor): .class, .bundle, .jar, .war, .ear, .apk, .pyc, .pyo, .pyd, and any other binary file.

Usage

Right-click any file → "Open in Hex Editor"