Developer Tools, Instantly

Count words, characters, sentences & paragraphs with readability score

Convert text between camelCase, snake_case, kebab-case & 10+ formats

Generate placeholder text — paragraphs, sentences, or words

Compare two texts & highlight differences side by side

URL encode, HTML entity encode/decode & more in a pipeline

Convert Markdown to HTML with live preview — GFM supported

View MD files online — read mode, TOC, PDF & HTML export

Repeat, reverse, sort, deduplicate & manipulate text

Encode & decode HTML entities — named, numeric & hex formats

Convert HTML to Markdown — headings, tables, code blocks & more

Generate clean URL slugs from titles — bulk mode & custom separators

Visualize character frequency — counts, percentages & Unicode codes

Sort, deduplicate, shuffle & filter lines with prefix/suffix options

Format, validate & explore JSON with tree view & error highlighting

Test regex patterns with live highlighting & plain-English explanations

Generate UUID v4, v7 & ULID — bulk up to 1,000

Encode & decode Base64 — text, files & image preview

Decode JWTs — view header, payload & expiry status

Build cron expressions visually — see next 10 run times

Generate MD5, SHA-1, SHA-256, SHA-512 & HMAC hashes

Generate secure passwords with custom length & character sets

Generate QR codes for URLs, text, Wi-Fi & more — download as PNG/SVG

Convert JSON arrays to CSV with auto column detection & download

Convert JSON to YAML and back — preserves types & nesting

Format & beautify SQL queries with proper indentation & keyword styling

Calculate Unix file permissions — numeric & symbolic chmod notation

Convert JSON to XML and back — nested objects & arrays supported

Convert CSV to JSON arrays with auto delimiter detection

Format, beautify & minify JavaScript with syntax highlighting

Validate YAML syntax, find errors & convert to JSON

Format, beautify & validate XML with error detection

Analyze IPv4 addresses with subnet calculator & binary/hex conversion

Minify HTML — remove comments, whitespace & optional tags

Parse URLs into components — protocol, host, path, query params & hash

Escape & unescape backslash sequences — \n, \t, \", \uXXXX

Explore JSON interactively — click nodes to find & copy paths

Generate placeholder images — custom size, color, text & download as PNG/SVG

Convert HEX, RGB, HSL, CMYK with contrast checker & palette generator

Convert binary, octal, decimal & hex with step-by-step math

Convert Unix timestamps to dates & vice versa with timezone support

Convert length, weight, temperature & 12+ unit categories

Convert px to rem, em, vh, vw with visual size preview

Convert PNG, JPG, WebP & AVIF — 100% client-side, no upload

Create linear, radial & conic CSS gradients with live preview

Convert text to/from binary, hex, octal & decimal