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Base64 एनकोडर और डिकोडर ऑनलाइन, मुफ़्त

टेक्स्ट और फ़ाइलों को Base64 में एनकोड करें, या Base64 स्ट्रिंग्स को प्लेनटेक्स्ट में डिकोड करें।

  • आपके ब्राउज़र में चलता है — कोई अपलोड नहीं
  • मुफ़्त, बिना साइन-अप, बिना वॉटरमार्क
Base64 एनकोडर और डिकोडर का उपयोग कैसे करें · Base64 एनकोडर और डिकोडर — अक्सर पूछे जाने वाले सवाल

Base64 एनकोडर और डिकोडर का उपयोग कैसे करें

  1. 1

    Add your file

    Drop a file on the page, paste it, or click Select Files. Nothing is uploaded — it opens straight in your browser.

  2. 2

    Fine-tune the settings

    Set operation mode in the Fine-tune panel, or keep the defaults — they suit most files.

  3. 3

    Run Base64 एनकोडर और डिकोडर

    Press the start button. Processing happens on your device, usually in seconds.

  4. 4

    Download the result

    Save the finished file, or continue with another tool without downloading in between.

Base64 एनकोडर और डिकोडर क्या-क्या कर सकता है

  • Operation Mode: encode and decode
  • Private by design — files are processed in your browser and never uploaded
  • Free with no sign-up, no watermark and no daily limit

Base64 एनकोडर और डिकोडर — अक्सर पूछे जाने वाले सवाल

What is Base64 encoding?

Base64 is a binary-to-text encoding scheme that represents binary data in an ASCII string format using 64 printable characters (A–Z, a–z, 0–9, +, and /).

What is Base64URL and when should I use it?

Base64URL replaces `+` with `-` and `/` with `_`, and omits trailing `=` padding characters. It is safe for use in URL query parameters, filenames, and JSON Web Tokens (JWTs).

Can I encode binary files?

Yes. You can encode UTF-8 text strings or upload binary files (such as images, icons, and audio) to convert them into standard Base64 or Data URLs.

How does decoding handle invalid characters?

The decoder sanitizes whitespace and validates padding, decoding clean UTF-8 plaintext and notifying you if malformed characters are encountered.

Is my data kept private?

Yes. All Base64 encoding and decoding executes 100% client-side in your web browser with zero server uploads.

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