Text & Encoding

Re-encode a text file from one character encoding to another, without uploading it.

Convert a text file to UTF-8 from any supported source encoding, with optional BOM.

Make text ASCII-safe, or convert between text and its character codes.

Encode any file as Base64 text, with optional data-URL prefix and line wrapping.

Decode Base64 text or a data: URL back into the original file.

Percent-encode text for use in a URL, query string or form submission.

Turn percent-encoded text back into readable text.

Apply a Unicode normalisation form and remove invisible characters from text.

Convert a text file between LF, CRLF and CR line endings.

Convert between Unix timestamps and readable dates, one value per line.

Convert date-times from one time zone to another, one value per line.

Sort lines alphabetically, numerically, by length, or naturally.

Remove repeated lines and keep the first occurrence.

Delete empty and whitespace-only lines.

Reverse the order of the lines.

Prefix every line with a running number.

Trim leading and trailing spaces and tabs on each line.

Join wrapped lines into a single line.

Hard-wrap text at a chosen column width.

Join wrapped lines back into paragraphs.

Convert tab characters to spaces.

Convert runs of spaces to tab characters.

Turn text into a URL-safe slug.

Escape text as HTML entities.

Turn HTML entities back into text.

Encode or decode text with the ROT13 letter rotation.

Encode a file or text as Base32.

Encode a file or text as Base58.

Escape or unescape text as \uXXXX sequences.

Compare two texts and show which lines changed.

Count how often each character appears.