All Tools_
Every utility in the registry — all of them run 100% in your browser. Tools marked soon are on the roadmap.
Formatters [13]
Prettify, validate, and minify JSON payloads instantly.
Pretty-print and indent XML documents.
Reformat messy HTML with consistent indentation.
Expand and re-indent minified CSS.
Reformat minified or messy JavaScript.
Format SQL queries with keyword casing and indentation.
Clean up and re-indent YAML documents.
Strip whitespace from JSON for transport.
Compress CSS by removing whitespace and comments.
Shrink JavaScript by stripping whitespace and comments.
Compress HTML markup for smaller payloads.
Collapse SQL queries to a single compact line.
Write Markdown with a live rendered preview.
Converters [20]
Convert epoch timestamps to readable dates and back.
Convert JSON documents to YAML.
Convert YAML documents to JSON.
Flatten JSON arrays into CSV rows.
Turn CSV rows into JSON objects.
Convert XML markup to JSON.
Convert JSON structures to XML.
Render Markdown source as HTML markup.
Convert HTML back to Markdown.
Convert base-2 numbers to decimal.
Convert decimal numbers to base-2.
Convert hexadecimal values to decimal.
Convert decimal numbers to hexadecimal.
Decode binary byte sequences into text.
Encode text as binary byte sequences.
Convert HEX color codes to RGB values.
Convert RGB values to HEX color codes.
Convert HSL colors to HEX codes.
Convert between bytes, KB, MB, GB, and more.
Calculate dimensions that keep an aspect ratio.
Encoders & Decoders [11]
Encode text to Base64, UTF-8 safe.
Decode Base64 back to readable text.
Percent-encode text for safe use in URLs.
Decode percent-encoded URL strings.
Decode JSON Web Tokens without sending secrets anywhere.
Escape text into HTML entities.
Convert HTML entities back to plain text.
Escape and unescape Unicode sequences.
Convert strings to hex byte values and back.
Apply the ROT13 letter-substitution cipher.
Convert internationalized domains to Punycode and back.
Generators [17]
Generate cryptographically strong unique identifiers.
Create strong random passwords with custom rules.
Generate memorable multi-word passphrases.
Compute common hashes for any text input.
Compute the MD5 hash of text.
Compute SHA-256 hashes in the browser.
Generate bcrypt password hashes.
Generate placeholder text at any length.
Generate random numbers in a custom range.
Turn any title into a clean URL slug.
Create QR codes from text or URLs.
Build cron expressions with a visual editor.
Generate random MAC addresses.
Create htpasswd entries for basic auth.
Build and sign test JSON Web Tokens.
Generate random API keys and secrets.
Generate fake JSON data for tests and mocks.
Text Tools [12]
Compare two texts and highlight differences.
Test regular expressions against sample text live.
Switch text between upper, lower, title, and camel case.
Count characters, words, and sentences.
Count lines in any block of text.
Delete duplicate lines from a list.
Sort lines alphabetically or numerically.
Find and replace text with plain or regex matches.
Strip extra spaces, tabs, and blank lines.
Escape and unescape JSON strings.
Query JSON documents with JSONPath expressions.
Compare two blocks of text side by side.
Web Tools [14]
Generate SEO meta tags for any page.
Build Open Graph tags for rich link previews.
Compose a valid robots.txt file.
Generate .htaccess redirect rules.
Build campaign URLs with UTM parameters.
Parse user agent strings into browser and OS details.
Look up every HTTP status code and its meaning.
Look up MIME types by file extension.
Convert Unix permissions between symbolic and octal.
Design CSS gradients visually.
Design CSS box shadows visually.
Preview and tune CSS border radius.
Experiment with flexbox layouts visually.
Create favicons in every required size.
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