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Hash Toolkit

SHA, MD5 and HMAC computed locally.

SHA and MD5 hashing plus HMAC, all computed locally.

  • Side panel
  • Right-click menu
Add to Chrome(opens the Chrome Web Store in a new tab)or pressCtrlShiftSpace
One Panel Search tools

Hash Toolkit

Side panel

SHA-1 / 256 / 384 / 512

Ready01 / 04

01Features

What it does

  1. 01SHA-1 / 256 / 384 / 512
  2. 02MD5 (legacy)
  3. 03HMAC
  4. 04Web Crypto

02Use cases

When you'll reach for it

Verify a download checksum
Sign a webhook payload

How to open it

  1. 1

    Side panel

    Click the One Panel icon in the toolbar and search for “Hash Toolkit”.

  2. 2

    Right-click menu

    Right-click selected text, then choose One Panel → Hash Toolkit.

Privacy

  • Runs entirely inside your browser. No account, no analytics, no remote code.

Keep going

Pairs well with

Security

Encoder / Decoder

Base64, URL, HTML, Unicode and Hex encoding and decoding.

Security

JWT Toolkit

Decode and inspect JSON Web Tokens: header, payload, claims and expiry.

Security

Password Generator

Generate cryptographically random passwords with charset options.

Security

2FA Authenticator

Generate time-based one-time passwords (TOTP) from stored secrets — computed locally.

Security

Random Generator

Cryptographically random numbers, strings, hex, UUIDs and NanoIDs.

Privacy

Ad Blocker

Block ads and trackers on websites and YouTube. Per-site allowlist and filter lists.

Get Hash Toolkit and 80 more

One install adds every tool to your side panel. No account, nothing to configure.

Add to Chrome(opens the Chrome Web Store in a new tab)