Get Tab.Noted
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A hex viewer built into your Mac text editor

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.

Download free trial Download on the Mac App Store Buy for $4.99

Mac App Store, or download direct with a 14-day free trial · macOS 14 Sonoma or later · Apple silicon

Practical guide

When you need to see a file in hex

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:

Common file signatures:

File typeFirst bytes (hex)As text
PNG image89 50 4E 47 0D 0A 1A 0A.PNG....
JPEG imageFF D8 FF–
PDF document25 50 44 46%PDF
ZIP archive (also .docx, .xlsx, .jar)50 4B 03 04PK..
gzip archive1F 8B–
Binary property list62 70 6C 69 73 74 30 30bplist00
Mach-O 64-bit executableCF FA ED FE–
Universal (fat) Mac binaryCA FE BA BE–
Text with a UTF-8 byte order markEF BB BF–
How to

How to open a file in hex in Tab.Noted

  1. Open the file in Tab.Noted.
  2. Choose Tools → Hex View.
  3. Read the hex dump of the file's raw bytes.

Hex View is read-only, so you can inspect a file without any risk of changing it.

Plus a full editor

Plus a full text and code editor

Hex View is one tool among many. Everything below is built in.

50+ languages, detected automatically from the file extension
Regex search across every open tab or a whole folder
Side-by-side diff to compare two files
JSON tree viewer
Tab Groups: a saved workspace for each project
Remappable keyboard shortcuts
Privacy

Private and offline

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.

Hex editor for Mac: common questions

Can it open any file?

Yes. Use Tools → Hex View to open any file and inspect its raw bytes as a hex dump.

Can I edit bytes in Hex View?

No. Hex View is read-only, so you can inspect a file without changing it. Use the text editor for text files.

Does it work offline?

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.

How much does it cost?

$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.

Which Macs does it run on?

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 →

Get Tab.Noted

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.

Download free trial Download on the Mac App Store Buy for $4.99