Your files remain on your device
Processing happens inside the browser tab. Refreshing or closing the tab clears the current file queue.
Developer · Processed on your device
Base64 Encoder & Decoder
Encode text to Base64 or decode Base64 back to text with full UTF-8 support, processed entirely in your browser.
BASE64UTF-8 safe and fully on-device — emoji and non-Latin text round-trip correctly.
HOW IT WORKS
Three clear steps
No hidden queue, upgrade screen or misleading result state.
- 01
Choose encode or decode
- 02
Paste your text or Base64
- 03
Copy the converted result
No Trenith usage price
Device tools and the Trenith interface are free. External providers may separately charge the account associated with your own API key.
FAQ
Common questions
Is Base64 Encoder & Decoder free to use?
Yes. Base64 Encoder & Decoder is free from Trenith with no account, subscription or artificial usage limit. Practical capacity depends on your device's memory, free storage and browser codec support.
Does Base64 Encoder & Decoder upload my files?
No. Processing happens inside your browser tab on your own device. Source files are not sent to Trenith, and refreshing or closing the tab clears the current queue.
How do I use Base64 Encoder & Decoder?
1. Choose encode or decode 2. Paste your text or Base64 3. Copy the converted result No sign-up is required.
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