Encode and decode UTF-8 text strings, JSON snippets, and Data URIs to and from Base64 locally in your browser.
Replaces:
Base64 Encode DecodeInstalling a separate browser extension just for base64 encoder / decoder bloats Chrome memory, adds permission risk, and clutters your toolbar. OmniDev integrates Base64 Encoder / Decoder natively alongside 53 other frontend and QA tools.
Encode and decode UTF-8 text strings, JSON snippets, and Data URIs to and from Base64 locally in your browser.
Runs inside an isolated Shadow DOM panel so host page styles never break or leak
Zero background RAM overhead when idle — lazy-loaded on demand in milliseconds
Replaces standalone Base64 Encode Decode extensions inside a single 54-in-1 toolkit
Shadow-DOM isolated • Zero host-page CSS leakage
STEP 01
Install OmniDev from the Chrome Web Store and open the popup or press your custom shortcut.
STEP 02
Select "Base64 Encoder / Decoder" under the Utilities category (or search "Base64 Encoder / Decoder" in the launcher).
STEP 03
Inspect, capture, or export results directly on the live page — 100% locally in your browser.
Detailed side-by-side comparisons against standalone Chrome extensions:
Yes. Base64 Encoder / Decoder and all 54 tools in OmniDev are 100% free to use with no account signup or paywall.
No. Base64 Encoder / Decoder runs locally inside your browser tab. OmniDev is architected local-first and never uploads your DOM, storage, or network payloads to a Jambo backend.
Base64 Encoder / Decoder replaces single-purpose extensions such as Base64 Encode Decode, saving browser RAM and reducing extension permission sprawl.
Every tool below is included in the same single Chrome extension install.
Explore All 54 Tools
Make any text on the live webpage directly editable to test copywriting, localization length, and headline overflow.
Discovers, previews, filters, and bulk-downloads all images, inline SVGs, icons, and CSS background assets on the page.
Click any element on any website to convert its computed CSS styles into clean Tailwind CSS utility classes.
Point-and-click visual DOM scraper to extract repeating lists, tables, and structured data into CSV or JSON.
Resizes the actual browser window to exact mobile, tablet, and desktop presets and restores your original window size in one click.
Force toggle dark, light, dim, or sepia color schemes and `prefers-color-scheme` themes on any website.
Stop cluttering Chrome with dozens of single-purpose extensions. Install OmniDev free and run everything locally.
Install OmniDev for Free