Text / String Tools

Encode strings for safe URL usage

Decode percent-encoded URL strings

Convert characters to HTML entities

Convert HTML entities back to characters

Decode and inspect JWT token header and payload

Generate placeholder text in words, sentences, or paragraphs

Count words, characters, sentences, paragraphs, and reading time

Compare two text blocks and highlight differences

Convert between camelCase, snake_case, PascalCase, kebab-case, and more

Sort lines alphabetically, numerically, reverse, shuffle, or dedupe

Test regex patterns with match highlighting and group extraction

Escape and unescape strings for JS, JSON, HTML, or SQL

Live preview rendered Markdown with syntax highlighting

Validate .env files and flag missing values or duplicate keys

Show byte size of text in UTF-8, UTF-16, and ASCII

Format and validate TOML configuration files

Edit Markdown tables with a visual grid — add rows and align cells

Generate a curl command that uses a JWT as the Authorization header

View unified or side-by-side diffs with syntax highlighting

Compare two .env files and show added, removed, and changed variables

Normalize Unicode text between NFC, NFD, NFKC, and NFKD forms

Write a resume in Markdown and export to styled HTML or PDF

Searchable reference of regex syntax with live examples

Escape non-ASCII chars as \uXXXX or decode them back

Count syllables per word (useful for copy + slugs)

Flesch + grade-level estimate for any prose block

Rank words by frequency, stop-words filtered

Strip smart quotes, zero-widths, non-breaking spaces

Generate a table of contents from markdown headings

Render spaces, tabs, newlines, zero-widths as glyphs

Remove duplicate lines, preserve order or sort

Re-wrap prose to a fixed column width

Validate BCP 47 tag (zh-Hant-TW) — canonical form + regions

Collapse duplicate lines, show occurrence counts

Strip accents + unsafe chars → filesystem-safe filename

Wrap any text in a Unicode box (┌─┐) — great for READMEs

Reverse a string — emoji-safe (operates on grapheme clusters)

Extract every unique email address from a blob of text

Extract every unique http/https URL from a blob of text

Repeat text N times with a custom separator — newline, space, emoji

Capitalize words — AP-style, keep small words lowercase unless first/last

Collapse runs of spaces/tabs, trim lines, drop consecutive blanks

Switch tabs to N spaces or N spaces back to tabs

Normalize CRLF / LF / CR line endings across an entire file

Randomly shuffle every line in your input — Fisher-Yates, deterministic

Count syllables per word — heuristic-based English estimator

Translate English text to pig latin — keeps case, punctuation intact

Turn regular text into unicode 𝐛𝐨𝐥𝐝 — works in bios, Slack, Discord

Turn regular text into unicode 𝑖𝑡𝑎𝑙𝑖𝑐 — copy/paste anywhere

Add combining-mark s̶t̶r̶i̶k̶e̶ to any text — no markdown needed

8 unicode style variants — bold, italic, script, fraktur, monospace and more

Flip text upside-down using unicode substitutions — ǝpɐɯ ʞlıɯ

Convert normal text to sᴍᴀʟʟ ᴄᴀᴘs — pure unicode, no CSS

Render letters + digits as ⒸⒾⓇⒸⓁⒺⒹ unicode glyphs

Render letters as 🅂🅀🅄🄰🅁🄴🄳 unicode glyphs for banners and bios

Convert letters/digits to ˢᵘᵖᵉʳ or ₛᵤᵦ script — CO₂, H₂O, x²

Replace letters with regional-indicator and symbol emoji

Convert ASCII to ｆｕｌｌｗｉｄｔｈ aesthetic letters — vaporwave vibes

Stack combining marks above/below letters for a glitchy, cursed look

Add spaces between every character for a stretched / wide look

Count words, characters, lines, estimate reading time

Detect text language automatically with confidence scores