Encoder / Decoder
Encode or decode text using Base64, Base64URL, URL encoding, HTML entities, Hex, Binary, ROT13, UTF-8, and Unicode escape schemes. Code never leaves your device — formatting and validation run locally in your browser.
How to Use the Encoder / Decoder
Similar Tools You Might Need
See allURL Encoder / Decoder
Encode or decode URLs with percent-encoding. Swaps input/output for quick bidirectional conversion. Code never leaves your device — formatting and validation run locally in your browser.
HTML Entity Encoder / Decoder
Encode special HTML characters into entities (& < >) or decode them back to readable text — display code safely and neutralize injection vectors.
Base64 Encode/Decode
Encodes text or small files into Base64 strings and decodes them back with automatic MIME-type detection for binary safety. Code never leaves your device — formatting and validation run locally in your browser.
Image to Base64
Encode images to Base64 data URIs for CSS embedding and API payloads. Inline a logo without extra requests — local encoding, free, no signup.
Text to Binary
Encode any text into binary (base-2) byte sequences with visible separators. See exactly how computers store letters — local encoding, free, no signup.
Frequently Asked Questions
Which encodings?
Base64, URL, HTML entities, and hex — the common web pairings.
Decode direction?
Both directions — paste encoded text back to readable form any time.
Binary-safe?
Text-oriented encodings; binary blobs belong in dedicated hex tools.
Is my text uploaded anywhere?
No — conversion runs locally in your browser, free with no signup.
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Last updated October 2026