Base64 decode & copy

Copy on Select

Select some text and it will be instantly copied to the clipboard! Paste it with one click! 🟢Select any text in a web page and it will be automatically copied to the clipboard (hold Ctrl to bypass, ⌘ on Mac). 🟢You can also quickly paste the copied text by clicking on the mouse wheel, or by double clicking the left mouse button while keeping the Ctrl key pressed (⌘ on Mac). 🟢If you keep the Shift key ⬆ pressed while pasting, the field into which you are pasting will be emptied of all already existing text before pasting. 🟢Bypass the auto copy functionality in input fields (needs to be activated in the options page) 🟢Automatically add text before or after the copied text (needs to be activated in the options page) 🟢Automatically add the webpage URL to the copied text (needs to be activated in the options page) 🚨IMPORTANT🚨: please reload Chrome after installing the extension, in order to activate it. - Click on the extension button to turn the extension on/off. - Right click on the button to open the options page or the user guide. 🔎NOTE: - The extension does not work on the New Tab page (the page that opens when you click on the + sign in Chrome). This is standard behaviour for all extensions. - The extension does not work on pages whose URL starts with the word "chrome", for example chrome://extensions/ or chrome://settings/.

base64 en- and decoder

Encode and decode text to/from base64 right in your browser. A Chrome extension for encoding and decoding text to/from base64 — right in your browser, no external tools needed. - Live preview as you type - Switching modes carries the result over as the new input - Full Unicode support (emoji, accented characters, etc.) - Handles multi-line text correctly - Copy button appears when there's output to copy

Base 64 Encoder-Decoder

This extension allows the user to handle Base-64 encoding and decoding for String. This extension solves The "Unicode Problem" for base-64 encoding/decoding. However, other chrome extensions don't provide a solution to this problem. This extension allows the user to save encoded or decode value for future reference at your local chrome storage. Additionally, you can remove the encoded or decoded value from the saved list. Remember, 1-This extension can work offline. 2-everything saved locally. Nothing stored on a server.

BitShell - Binary, Hex & Base64 Converter

Binary, hex, decimal, text, Base64 & IP converter with IPv4/IPv6/CIDR support, smart format detection, history, and one-click copy. BitShell is a fast, fully offline conversion tool for developers, security researchers, students, and system administrators who work with encodings and number systems daily. No websites. No tracking. No data ever leaves your machine. Universal Conversion - Binary (0b) - Hexadecimal (0x) - Decimal (ints and floats) - UTF-8 text - Base64 encode/decode - IPv4 and IPv6 support - IPv4 subnet / CIDR calculator Smart Detection - Auto-detects IPv4 and IPv6 addresses and switches to IP mode - Auto-detects CIDR notation (e.g. 14.12.72.8/24) and switches to subnet mode - Real-time validation with helpful error messages and format suggestions - Character and byte counters Blazing Fast and Private - Instant conversions as you type - Handles up to 100,000 characters - No server calls — 100% offline - No tracking, analytics, or data collection Copy and History Tools - One-click copy for any format - Copy all formats at once - Visual copy confirmation - History of your last 50 conversions, including subnet calculations Keyboard Shortcuts - Ctrl/Cmd + K — Clear input - Ctrl/Cmd + Enter — Copy all - Ctrl/Cmd + H — Toggle history - Ctrl/Cmd + , — Settings - Escape — Close sidebars Terminal-Inspired UI - Clean, distraction-free layout - Solarized dark theme - Smooth transitions and professional monospace fonts Perfect For - Developers - Security researchers - Students learning binary, hex, and networking - Sysadmins and network engineers - Reverse engineers and protocol analysts Common Use Cases - Calculate subnet ranges, host counts, and network addresses from CIDR notation - Convert IP addresses between binary, hex, and decimal formats - Decode Base64 strings - Convert hex color codes - Analyze packet capture data - Switch between number bases for coding - Encode/decode text for web development Recent Updates (v1.0.7) - New: Dedicated IP tab for IPv4, IPv6, and CIDR — select IP mode directly or let auto-detection switch to it as you type - Auto-detection now switches to the IP tab when an IPv4, IPv6, or CIDR address is entered from any other tab - Invalid IP input shows a clear error with format suggestions, matching the behavior of all other input types - CIDR auto-detection now also activates the IP tab correctly - Version bump and description update to reflect IP conversion support Previous Updates (v1.0.6) - New: IPv4 subnet / CIDR calculator — type any CIDR address (e.g. 200.107.16.17/18) to instantly see IP in binary, subnet mask, network address, broadcast address, first/last host, address count, and max hosts - CIDR is auto-detected as you type — no extra tab or button needed - CIDR results fully supported in copy, copy all, and history - Fixed hex prefix display for multi-byte binary and decimal inputs - Fixed leading zeros on space-separated decimal-to-binary conversion - Improved bit and byte counter accuracy for decimal and fractional binary inputs - Fixed decimal float text conversion to show clear error instead of silent output - Code cleanup and performance improvements - Added a pop-out button for a resizable window Why BitShell? Most online converters require internet access and track your data. BitShell is different: - Offline anywhere - Zero data collection - Instant performance - Professional-grade tools - Clean, focused interface Support and Feedback Found a bug or want a new feature? Reach out through the support link. BitShell improves with your feedback. Privacy BitShell does not collect personal data, track usage, send data to servers, or use analytics. All settings and history stay on your device only.