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Text Encoder Decoder Tools for Every Format

Base64 Encode / DecodeURL Encode / DecodeHTML Encode / DecodeBinary Code TranslatorMorse Code TranslatorROT13 Encoder / DecoderHex ConverterNumber to Words Converter

Base64 Encode / Decode

Encode text to Base64 or decode Base64 back — full Unicode support.

URL Encode / Decode

Percent-encode URLs and query strings, or decode them back to text.

HTML Encode / Decode

Escape < > & and quotes into HTML entities — and decode them back.

Binary Code Translator

Translate text to binary (01001000…) and binary back to text.

Morse Code Translator

Translate text to Morse code (··· −−− ···) and back again.

ROT13 Encoder / Decoder

Rotate letters by 13 (or any shift) — the classic spoiler-hider.

Hex Converter

Convert text to hexadecimal bytes and hex back to text.

Number to Words Converter

Turn 1,250,000 into “one million two hundred fifty thousand”.
These text encoder decoder tools convert text between eight formats — Base64, URL, HTML, binary, Morse, ROT13, hex and number words — both ways, in your browser. Developers and students use this page to encode decode text online both ways — paste text in, copy the converted result out, all in your browser. Every converter here works both ways instantly, handles Unicode text properly, and explains invalid input instead of failing silently. This collection also turns any number — including decimals and negatives — into clear English words. Most people arrive for one of three jobs: the base64 encode decode tool for data, the morse code translator for dots and dashes, or the number to words converter for a cheque or a form. The guide below lays out all eight, one line each. Every tool in this collection is free, works on any device, and processes your text locally in your browser — nothing is uploaded or stored. Pick any tool above to get started; results are instant.

Which converter do I need?

Eight converters, eight formats. Find the job you are doing — each line names it and points at the tool.

  • Text or data must travel through email, JSON or a page as plain characters → Base64 Encode / Decode — the standard safe alphabet, with proper Unicode support.
  • A link contains spaces or special characters → URL Encode / Decode — percent-encoding for addresses and query strings, and back again.
  • Code needs to display on a page instead of running → HTML Encode / Decode — escapes <, > and & into entities, or decodes entities back to text.
  • You are learning how computers store letters → Binary Code Translator — text as 8-bit binary, and binary back into readable text.
  • Dots and dashes — radio, history or a puzzle → Morse Code Translator — full International Morse, both directions.
  • A spoiler or puzzle answer needs a light disguise → ROT13 Encoder / Decoder — rotate letters by 13, or any shift you set.
  • Bytes need to be written as hex pairs → Hex Converter — text to hexadecimal and back, byte-accurate for Unicode.
  • A number must be spelled out on a cheque, invoice or form → Number to Words Converter — decimals and negatives included.
Every converter here runs both ways, so anything you encode on this page you can decode on the same page. And remember the golden rule of this shelf: encoding is not encryption. These formats re-write text for transport or for fun — anyone can reverse them, so never use them to protect a password or a secret.

Text Encoder Decoder Tools FAQs

Are the Convert & Encode tools really free?Yes — all eight converters are completely free, with no account and no limits, and they run entirely in your browser.
Is encoding the same as encryption?No. Encoding changes how text is written so systems can carry it; it uses no key, and anyone can reverse it instantly. Encryption is what protects secrets — none of these tools should ever be used to hide a password or private data.
Will my accented or non-English text survive conversion?In the byte-based converters, yes: Base64, hex, binary, URL and HTML encoding all work from UTF-8, so accented letters, Arabic, Urdu, Chinese and emoji convert exactly. Morse code is the exception by design — it covers the International Morse set of letters, digits and common punctuation, and skips characters that have no Morse code.
What happens if I paste invalid encoded text?You get a plain explanation instead of garbage: the Base64 decoder, for example, tells you the input is not valid Base64. Check for a trimmed copy or missing padding, and paste the complete string.
Which format do APIs and web systems expect?Base64 for binary data and tokens inside text formats like JSON; URL encoding for values inside a web address; HTML entities for displaying code safely on a page. If a system names a format, use the matching converter — they are not interchangeable.
Is anything I convert uploaded or stored?No. Conversions run locally in your browser — which is exactly why this shelf is safe for API payloads and tokens you would never paste into a server-side tool.