Base64 Encode / Decode
Encode UTF-8 text to Base64, or decode Base64 back to text. Everything stays in your browser.
Shortcuts: ⌘/Ctrl+Enter download · ⌘/Ctrl+Shift+C copy · Esc clear
Drop a file or click to browse
or paste data below
How to use Base64 Encode / Decode
Encode text to Base64 or decode Base64 back to UTF-8 text. Follow these steps to get a reliable result in seconds.
- 1
Paste or upload text (or click Load sample).
- 2
Choose Encode or Decode.
- 3
Optionally use Swap to move output into input and flip the mode.
- 4
Copy or download the result. Nothing is uploaded.
Common use cases
Practical ways people use Base64 Encode / Decode on RividTech.
Embed small payloads
Encode text for data URLs, basic auth headers, or config fields that expect Base64.
Inspect encoded data
Decode Base64 blobs back to UTF-8 text without leaving the browser.
Base64 Encode / Decode FAQs
Quick answers about privacy, limits, and how this tool works.
Does Base64 support Unicode?
Yes. Encoding and decoding use UTF-8, so emoji and non-ASCII text round-trip correctly.
Is Base64 Encode / Decode free to use?
Yes. Base64 Encode / Decode on RividTech is free, with no account or signup required.
Is my data uploaded to a server?
No. Processing runs entirely in your browser. RividTech does not upload your file contents for conversion or cleaning.
Is there a file size limit?
Limits depend on your device and browser memory. Very large files may run slowly; try Sample Data or Split CSV for huge datasets.
More site-wide answers on the FAQ page.
Why RividTech?
A simple, private toolkit for everyday structured-data tasks — without signing up or sending files to the cloud.
Private by design
Your files are processed in your browser. RividTech does not upload your CSV, TSV, or JSON content to our servers for conversion.
Fast and free
No account, no install, and no wait for server round-trips. Tools run instantly on your device.
Built for real workflows
Convert formats, generate SQL, preview tables, remove duplicates, and filter data — then copy or download when you are done.
Works anywhere
Use the tools on desktop or laptop with a modern browser. Ideal for quick one-off tasks and everyday data cleanup.
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