Investigate large files
Open GB+ binaries with virtual scrolling, search hexadecimal patterns with wildcards, or find ASCII and UTF-8 text.
Open and search GB+ files with virtual scrolling, inspect binary structures, decode selected bytes, and upgrade to Pro when you need safe in-place editing.
Pro is currently $2/month or $20/year for individuals.
Select a byte to inspect integer, floating-point, binary, octal, ASCII, and UTF-8 interpretations. Navigate parsed structures and jump directly to the corresponding byte range.

Open GB+ binaries with virtual scrolling, search hexadecimal patterns with wildcards, or find ASCII and UTF-8 text.
Explore PNG, ZIP/JAR, Java class, PE, ELF, Mach-O, PDF, WebAssembly, ISO 9660, and Windows Minidump structures.
Pro adds direct hex and ASCII editing, IDE-native Undo/Redo, paste preview, save lifecycle integration, and external-change handling.
Work with files from a few kilobytes to multiple gigabytes without loading the entire file into memory.
Search bytes with patterns such as FF ?? CD, cancel long searches, and move through matches with F3.
Interpret selected bytes as signed and unsigned integers, floats, text, binary, and octal in either endianness.
Use the IDE's Compare Files workflow with aligned changed, inserted, and deleted byte ranges.
Export selected bytes as a hex string, Base64, or ready-to-use C, Java, Kotlin, Python, and Go arrays.
Jump directly to hexadecimal or decimal offsets and keep hex and ASCII selections synchronized.
Install the viewer for free. Start the verified 7-day trial when your workflow needs editing and deeper structure inspection.
| Capability | Free | Pro |
|---|---|---|
| Open and navigate GB+ files | ✓ | ✓ |
| Hex, ASCII, and UTF-8 search | ✓ | ✓ |
| Data Inspector and Copy As | ✓ | ✓ |
| Top-level file structure | ✓ | ✓ |
| Detailed nested structure fields | — | ✓ |
| Direct hex and ASCII editing | — | ✓ |
| IDE-native Undo/Redo | — | ✓ |
| Paste preview and external-change handling | — | ✓ |
Available for IntelliJ IDEA, Android Studio, and 14 more compatible IntelliJ-based IDEs. Right-click a file and choose Open in Hex Editor.
Supported binaries include executables, libraries, firmware, disk images, dumps, Java archives, Android packages, WebAssembly, and more.
Yes. The free tier includes GB+ file viewing, hex and text search, Data Inspector, Go to Offset, Copy As exports, keyboard navigation, and a top-level structure overview.
Pro adds direct hex and ASCII editing, IDE-native Undo/Redo, auto-save and IDE save integration, paste preview, external-change conflict handling, and detailed nested fields in Structure Viewer.
JetBrains Marketplace currently provides a 7-day trial with access to the paid Hex Editor features.
The current individual price on JetBrains Marketplace is $2 per month or $20 per year. Marketplace shows the current regional, organizational, and discounted pricing before purchase.
Structure Viewer includes parsers for PNG, ZIP and JAR, Java class files, PE, ELF, Mach-O, PDF, WebAssembly, ISO 9660, and Windows Minidump files. Other binary files can still be opened in the hex view.
Start with the free viewer. Try every Pro editing feature free for 7 days.
Install Free & Start 7-Day Pro Trial