Example preset
The default text encodes to Base64; switch to decode and paste Base64 text to recover the UTF-8 value.
Encoding
Browser utilityEncode or decode UTF-8 text without sending the text to a server.
Local tool
Load the example, edit the snippet and run the transformation in this browser session.
Use the mode switch for quick Base64 encoding or decoding of text snippets.
The default text encodes to Base64; switch to decode and paste Base64 text to recover the UTF-8 value.
Run the example or paste a redacted snippet. Results appear here and stay in the browser.
Support
Use the result first. Support and promotional areas stay separate from the useful result.
The default text encodes to Base64; switch to decode and paste Base64 text to recover the UTF-8 value.
Decode mode expects valid Base64. Whitespace is ignored, but malformed padding or non-Base64 characters will fail locally.
The free tool uses browser processing when supported and keeps entered snippets out of product APIs.
Each utility exposes a focused transformation, visible limits and a short result that can be copied or inspected before any paid feature exists.
The free browser surface is designed for snippets and small files. Saved team areas, batch jobs, larger files and API automation are follow-on account options.
Move to nearby utilities without leaving the local-first tool set.
No. DevUtility Lab does not use account storage, localStorage, sessionStorage or a product API in the free tool.
Avoid pasting secrets. The tool processes locally, but safe handling still means redacting keys, tokens and confidential data.