Encode Text
Decode Text
About the Toolzify Base64 Text Encoder/Decoder
This tool converts plain text to Base64 and back without bloated interfaces or ads. We built it for developers, marketers, and support teams who need a reliable way to encode snippets for transport, storage, or embedding. Whether you are preparing a basic auth header, dropping content into a data URI, or quickly decoding user reports, Toolzify keeps the process simple and private.
What problem it solves
Encoding mistakes lead to broken payloads and confusing errors. Many online converters add hidden characters, mishandle Unicode, or cache your inputs. Toolzify processes everything in-browser, preserving UTF-8 characters and avoiding data retention. That means you can safely convert customer names, keys, or short messages without leaking them to third parties.
How it works
When you click Encode, your text is converted to a byte array and Base64-encoded using a standards-compliant encoder. Decode reverses the process and surfaces errors if the input is malformed. No network calls are made; everything runs client-side so you keep control over your content and enjoy instant responses even on slow connections.
Step-by-step usage
- Paste or type your plain text in the left panel and choose Encode to get Base64 output.
- Paste an existing Base64 string in the right panel and choose Decode to get readable text.
- Use the copy button to move results into API calls, documentation, or log files.
- If you see an error, check for whitespace, missing padding, or characters outside the Base64 alphabet.
Common use cases
- Generating Authorization headers for basic auth when testing APIs.
- Embedding small text payloads inside HTML or CSS via data URIs.
- Decoding customer-provided tokens or error payloads from mobile apps.
- Encoding secrets in environment variables before transport (remember to secure them later).
- Teaching newcomers how binary-to-text encoding works without installing tooling.
Benefits and limits
Toolzify keeps processing local for privacy, and we include clear error messaging to prevent silent corruption. Large bodies of text work best when kept under a few hundred kilobytes for browser performance. Base64 is not encryption; do not treat encoded strings as secret. If you need encryption, pair this workflow with proper cryptography rather than simple encoding.
FAQs
Do you store my text? No. Encoding and decoding are performed in your browser; nothing is saved or logged.
Why does my string fail to decode? Ensure padding characters (=) are intact and remove line breaks or spaces that may have been added by email clients.
Is Base64 secure? Base64 is an encoding, not encryption. Use it for transport, not secrecy.
Can I decode binary files? For text-focused use, yes. For large binaries, prefer the Base64 Image tool or a local script to avoid browser memory strain.
Will Unicode characters be preserved? Yes. Toolzify handles UTF-8 safely so non-English characters stay intact.