JSON, regex, hashes — every utility, never logged.

Work out a missing width or height for any aspect ratio, or reduce a pixel size to its simplest ratio.

Design CSS box-shadows visually and copy ready-to-paste code.

Encode or decode text with a Caesar shift cipher. ROT13 preset and brute-force decoder included.

Tidy messy text with toggleable fixes — trim lines, collapse spaces, dedupe, sort, strip HTML, and more.

Draw a shape, drag the points, and copy the CSS clip-path.

Check WCAG AA / AAA contrast between any two colors with live preview.

Convert between HEX, RGB, HSL, and CMYK.

Convert between px, rem, em, pt, %, and viewport units with your own root and parent font-size.

Turn HTML into clean Markdown or Markdown into HTML, with a live rendered preview.

Turn any image into a Base64 data URI with ready-to-paste snippets, or decode one back to a downloadable image.

Convert whole numbers between binary, octal, decimal, hex, and any base from 2 to 36.

Length, weight, temperature, volume, and more.

Build and decode cron schedules, with a plain-English readout and the next run times.

Build linear, radial, and conic gradients visually and copy the CSS.

Convert between CSV and JSON formats instantly.

Convert text or files to and from Base64.

Escape text into HTML entities, or turn entities back into readable text — both ways, named or numeric.

Turn any text into 30+ copy-paste Unicode styles like bold, italic, script, bubble, and upside-down.

Generate all favicon sizes from a single image.

Run several find-and-replace rules over a block of text, applied in order, with regex support.

Paste messy JSON and get it beautifully formatted.

Beautify or minify SQL for any database dialect.

Pretty-print, minify, and convert XML to and from JSON right in your browser.

Create smooth, organic blob shapes and export them as clean SVG or PNG.

Create placeholder text for designs.

Build realistic fake test data as JSON, CSV, or SQL from fields you define.

Create unique IDs instantly.

Design a frosted-glass card and copy the CSS.

Turn any photo into text-character art you can copy or download.

Paste JSON and get clean TypeScript interfaces you can drop straight into your code.

Query any JSON document with a JSONPath expression and see the matches live.

Write and preview Markdown with live rendering.

Design a smooth multi-color mesh gradient and export it as PNG, CSS, or SVG.

Shrink or reformat HTML, CSS, and JavaScript in one place.

Turn any text into speech using your browser's built-in voices.

See how any image looks to people with red-green, blue-yellow, or total color blindness.

Spell anything in the NATO phonetic alphabet, or read spelled-out code words back into plain text.

Work out the network, broadcast, usable host range, and address count for any IPv4 or IPv6 CIDR block.

Condense a long article, report, or transcript down to its key sentences.

Compress and clean up SVG markup — smaller files, identical output.

Build a seamless repeating background pattern and copy it as SVG or CSS.

Write and test regular expressions with live matching.

Convert text to UPPERCASE, lowercase, camelCase, snake_case, and 8 more styles.

Compare two text blocks side-by-side with line-level highlighting.

Convert text to and from Morse code, and hear it played back as beeps.

Convert text to and from binary, hex, octal, or decimal character codes — both directions, in your browser.

Measure your typing speed and accuracy on a timed passage.

Convert Unix epoch timestamps to human-readable dates and back, with a live current epoch, full timezone support, and millisecond precision.

Encode and decode URLs and edit query strings live. Two-mode tool — encode/decode any string, or paste a full URL and edit its parameters in a table.

Count words, characters, sentences, and estimate reading time.

Convert a .docx Word file into clean, GitHub-flavored Markdown, entirely in your browser.

Convert between YAML and JSON in both directions with live output and clear validation.