Native, fast and private. $4.99 once.
Tab.Noted includes Hex View, which opens any file as a hex dump, right next to a full text and code editor. No separate app, no plugins, and it works fully offline.
Mac App Store, or download direct with a 14-day free trial · macOS 14 Sonoma or later · Apple silicon
A hex view shows the raw bytes of a file, so you see what's really there instead of what an app chooses to show you. It's useful when you need to:
.pdf that doesn't start with %PDF isn't a PDF.0D 0A) versus Unix ones (0A), or invisible characters that break a script.Common file signatures:
| File type | First bytes (hex) | As text |
|---|---|---|
| PNG image | 89 50 4E 47 0D 0A 1A 0A | .PNG.... |
| JPEG image | FF D8 FF | – |
| PDF document | 25 50 44 46 | %PDF |
| ZIP archive (also .docx, .xlsx, .jar) | 50 4B 03 04 | PK.. |
| gzip archive | 1F 8B | – |
| Binary property list | 62 70 6C 69 73 74 30 30 | bplist00 |
| Mach-O 64-bit executable | CF FA ED FE | – |
| Universal (fat) Mac binary | CA FE BA BE | – |
| Text with a UTF-8 byte order mark | EF BB BF | – |
Hex View is read-only, so you can inspect a file without any risk of changing it.
Hex View is one tool among many. Everything below is built in.
Your files never leave your Mac. Tab.Noted has no account, no analytics and no telemetry, and it works fully offline. The direct-download version goes online only to check its license and look for updates.
Yes. Use Tools → Hex View to open any file and inspect its raw bytes as a hex dump.
No. Hex View is read-only, so you can inspect a file without changing it. Use the text editor for text files.
Yes. Your files never leave your Mac, and Tab.Noted works fully offline. The direct-download version goes online only to check its license and look for updates.
$4.99 once, no subscription and no account. The direct download includes a 14-day free trial with every feature, or get it on the Mac App Store.
Macs with Apple silicon running macOS 14 Sonoma or later.
See everything Tab.Noted can do → · Code editor for Mac → · YARA rule editor for Mac →
A fast, native text and code editor for Mac. $4.99 once, no subscription, no account. Try it free for 14 days with the direct download, or get it on the Mac App Store.