# apphelp tool profile
name: Base64 Encoder and Decoder
tool: tool-base64
domain: base64.apphelp.net
canonical: https://base64.apphelp.net/en
summary: Encode Unicode text to Base64 and decode Base64 strings locally with invalid-input feedback.
inputs: Unicode text, Base64 strings, whitespace-wrapped Base64, or short encoded snippets.
outputs: Base64 encoded text, decoded UTF-8 text, and invalid Base64 feedback.
use-cases: API payload checks; encoded text inspection; clipboard-safe encoding; browser-local text conversion
keywords: base64 encoder, base64 decoder, decode base64 online, encode text base64
languages: en, zh-CN, zh-TW, ar, de, fr
seo: locale-routed, canonical, hreflang, sitemap, robots, JSON-LD
geo: llm.txt profile, concise task summary, input/output contract, use-case list, local-first privacy notes
privacy: browser-local processing, no upload by default
analytics: Microsoft Clarity and Google Analytics (opt-in)
no-login: true