Skip to content

Encoder / Decoder

Base64, URL, HTML, Unicode and Hex both ways.

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

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

Encoder / Decoder

Side panel

Base64

Ready01 / 04

01Features

What it does

  1. 01Base64
  2. 02URL
  3. 03HTML entities
  4. 04Unicode escapes
  5. 05Hex

02Use cases

When you'll reach for it

Decode a Base64 header
Escape HTML for a code sample

How to open it

  1. 1

    Side panel

    Click the One Panel icon in the toolbar and search for “Encoder / Decoder”.

  2. 2

    Command palette

    Press Ctrl + Shift + Space on any page and type its name.

  3. 3

    Right-click menu

    Right-click selected text, then choose One Panel → Encoder / Decoder.

Privacy

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

Keep going

Pairs well with

Security

Hash Toolkit

SHA and MD5 hashing plus HMAC, all computed locally.

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 Encoder / Decoder 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)