Writing tools

Client

Text-first helpers: patterns, diffs, placeholder copy, case transforms, counts, and Markdown—all local to your tab.

How this hub is organized

Diff, case conversion, word counts, Markdown preview, Lorem text, and line utilities each have their own workspace—choose the card that matches compare vs transform vs placeholder generation.

Browse writing utilities

Cards follow the home catalog order for this category.

Code beautifier
Client
Pretty-print HTML, CSS, JavaScript, XML, and JSON in the browser—readable formatting; pair with Compress for minify.
Regex generator & tester
Client
Presets (US/NANP & E.164 phones, email, URL), JS snippet, local test.
Plain text diff
Client
Compare two text drafts side by side—unified view, sample pre-filled, client-side.
Line ending converter
Client
Count LF, CRLF, and CR; normalize to one EOL style; optional UTF-8 BOM strip—local only, Git-friendly.
Remove accents
Client
Strip diacritics with Unicode NFD—ASCII-friendly slugs and legacy normalization in the browser.
NATO phonetic alphabet
Client
Spell text as ICAO Alfa/Bravo words or decode phonetic lines to letters—radio and call-sign clarity, local only.
Unicode normalization
Client
Apply NFC, NFD, NFKC, or NFKD normalization to text—code point counts and copy output, browser-only.
Email format validator
Client
Validate email syntax, normalize local parts, and spot common typos—no SMTP or mailbox lookup.
List converter
Client
Convert lines ↔ JSON array ↔ CSV row—paste lists for configs, APIs, or spreadsheets; local only.
Numeronym encoder
Client
Shorten long words to i18n-style numeronyms in the browser—encode only, not reversible.
Shuffle lines
Client
Randomly reorder lines of text—Fisher–Yates shuffle in your browser for samples or fixtures.
Extract emails
Client
Pull email addresses from pasted text—copy the list in your browser; no SMTP or upload.
Extract numbers
Client
Pull integer and decimal tokens from pasted text—copy the list locally; no ID or Luhn validation.
Text repeater
Client
Repeat text up to 500 times with a separator or one copy per line—generate fixtures locally in your browser.
ASCII table
Client
Decimal, hex, and character columns for ASCII 0–127—filter and copy codes locally.
Reading time calculator
Client
Estimate minutes to read pasted prose from word count and WPM—rough blog-style hint, browser-only.
Reverse text
Client
Flip string character order by Unicode code point—copy reversed text locally in your browser.
Levenshtein distance
Client
Compare two strings for edit distance and similarity score—local Levenshtein calculator.
Add line numbers
Client
Prefix or suffix line numbers on pasted code or logs—custom start index, browser-only.
Random line picker
Client
Pick one random non-empty line from a list—raffles, samples, and spot checks in your browser.
String obfuscator
Client
Replace Latin letters with homoglyph Unicode for demos—not encryption; browser-only.
Wrap text
Client
Hard-wrap paragraphs at a fixed column width for READMEs, commits, or terminal paste.
Split text
Client
Split a string on comma, tab, custom delimiter, or newlines—one token per output line.
Extract column from text
Client
Pull one column from CSV, TSV, or custom-delimited rows—optional header skip; local only.
Trim lines
Client
Strip leading and trailing whitespace on each line—optionally remove empty lines locally.
Find and replace
Client
Find and replace literal text or regex matches in a paste—case options and replace-all, browser-only.
Indent text
Client
Indent every line or dedent a shared prefix on pasted code or logs—spaces or tabs, browser-only.
Join lines
Client
Merge multiline text with a comma, tab, or custom delimiter—local join opposite of split text.
Quote lines
Client
Wrap each line in single or double quotes with basic escaping—for string lists and codegen prep.
Email normalizer
Client
Normalize email lists—trim, lowercase domains, optional dedupe—one address per line in your browser.
Remove duplicate characters
Client
Drop repeated characters while keeping first-seen order—optional case folding—in your browser.
Pad text
Client
Pad each line to a fixed width—left, right, or center—with spaces or another character locally.
Align text columns
Client
Pad TSV or delimited columns to equal width for monospace logs and pasted tables—local only.
Prefix or suffix lines
Client
Add the same prefix and/or suffix to every line—optional skip for blanks; local only.
Character frequency
Client
Count how often each character appears—sorted table with Unicode code points; local only.
Remove duplicate lines
Client
Collapse repeated lines in pasted text—trim or case-fold keys, optional sort—browser-only deduper.
Sort lines alphabetically
Client
Locale-aware A→Z / Z→A line sorts plus reverse—optional trim or case folding, browser-only.
Lorem ipsum generator
Client
Placeholder paragraphs for mockups—copy in one click, client-side.
String case converter
Client
camelCase, snake_case, kebab-case, PascalCase, CONST_CASE from one paste—client-side.
Markdown preview
Client
Render Markdown to sanitized HTML in your browser—paste notes or README drafts.
Markdown to HTML
Client
Export Markdown as sanitized HTML—copy a fragment, full document, or download .html in the browser.
.gitignore generator
Client
Combine stack templates (Node, Python, Go, IDEs) into a starter .gitignore—copy or download locally.
.env / dotenv editor
Client
Edit KEY=value files—sort, dedupe, issues, JSON preview and import; browser-only.
HTML to text
Client
Strip tags and extract visible plain text from HTML in the browser—drops script/style; optional whitespace collapse.
Word & character count
Client
Words, characters, lines, and reading time—paste any text, all client-side.

Nearby workflows on Toolcore

Plain text diff — for line- or word-oriented reviews of prose and logs.
Markdown preview — after you edit readme or blog copy locally.
Word count — when limits are measured in words instead of tokens.
Regex generator — to test patterns on sample lines from a diff.

Common use cases

Open regex when you need presets, a JavaScript snippet, and a quick local test harness.
Use E.164 normalize when pasted phones mix spaces, parentheses, and international prefixes.
Use text diff when two drafts should be compared as lines or paragraphs, not as JSON structure.
Use word count for copy limits, reading time estimates, or quick stats on pasted prose.
Remove duplicate lines when log excerpts or lists repeat the same row and you only need unique entries.
Sort lines alphabetically when configs or inventories should match locale collation before diff or commit.
Preview Markdown when README or note syntax should render to sanitized HTML before paste elsewhere.

Common mistakes to avoid

Expecting regex presets to cover every locale
Presets are common shapes; international phone and name patterns still need your product rules.

FAQ

Where are URL slugs or SQL format?

Those live under Protocol tools (/tools/protocol) because they target URLs and SQL specifically.

Is my text uploaded?

No. Listed tools run in your browser unless a page documents otherwise.

Writing tools

How this hub is organized

Browse writing utilities

Code beautifier

Regex generator & tester

Plain text diff

Line ending converter

Remove accents

NATO phonetic alphabet

Unicode normalization

Email format validator

List converter

Numeronym encoder

Shuffle lines

Extract emails

Extract numbers

Text repeater

ASCII table

Reading time calculator

Reverse text

Levenshtein distance

Add line numbers

Random line picker

String obfuscator

Wrap text

Split text

Extract column from text

Trim lines

Find and replace

Indent text

Join lines

Quote lines

Email normalizer

Remove duplicate characters

Pad text

Align text columns

Prefix or suffix lines

Character frequency

Remove duplicate lines

Sort lines alphabetically

Lorem ipsum generator

String case converter

Markdown preview

Markdown to HTML

.gitignore generator

.env / dotenv editor

HTML to text

Word & character count

Nearby workflows on Toolcore

Common use cases

Common mistakes to avoid

FAQ