Text Tools & Analysis
79 tools available. All calculations and file processing stay 100% private in your browser.
Convert 22
- Add Line Numbers to TextNumber every line in a text document with customizable starting count and delimiter.
- Add Prefix to Each LinePrepend custom characters, bullet points, or tags to the beginning of every line.
- Add Suffix to Each LineAppend custom characters, commas, or semicolons to the end of every line.
- Base64 Text DecoderDecode Base64 encoded strings back into plain UTF-8 text with error checking.
- Base64 Text EncoderEncode plain text strings into Base64 ASCII representations with full Unicode and UTF-8 support.
- Convert Comma List to LinesTransform a comma-separated list of items into separate vertical lines.
Organize & Edit 7
- Case-Insensitive Alphabetical SortSort lines alphabetically while treating uppercase and lowercase letters identically.
- Case-Insensitive Find and ReplaceFind and replace words matching any capitalization (e.g. apple, Apple, APPLE) with replacement text.
- Find and Replace TextFind target words or substrings and replace them with new text throughout a document.
- Natural Numeric SortSort lines by embedded numeric values so that item2 precedes item10 naturally.
- Regular Expression (Regex) ReplaceFind and substitute text using powerful regular expression patterns and capture flags (g, i, m, s).
- Sort Lines in Ascending OrderSort text lines in standard ascending alphanumeric order (A-Z, 0-9).
Calculate & Analyze 1
Inspect & Extract 49
- Byte Counter (UTF-8 & UTF-16)Measure exact byte length of text across UTF-8 and UTF-16 encodings alongside total characters.
- Character CounterCount characters with and without spaces, words, bytes, and reading time.
- Character Frequency AnalyzerAnalyze the occurrence count and percentage share of every character in a document.
- Collapse Consecutive WhitespaceCollapse multiple consecutive spaces, tabs, and blanks into a single clean space.
- Compare Two Texts (Side-by-Side Diff)Compare two text documents side-by-side to highlight identical lines, additions, and deletions.
- Detect Invisible Characters & Zero-Width SpacesInspect text to locate hidden zero-width spaces, soft hyphens, and invisible Unicode formatting codes.