Utility Tools

Data & serialization

JSON & data workbench

Format and validate JSON, convert CSV and YAML, and generate TypeScript types in one place.

Open

Text & patterns

Text Compare / Diff Tool

Compare two blocks of text and see the differences highlighted.

Open
Text Case Converter

Convert text into camelCase, PascalCase, snake_case, uppercase, and more.

Open
Alphabet Sorter

Sort text alphabetically, with an option to automatically group related items together.

Open
Regex tester

Try JavaScript regular expressions with flags and see each match in your sample text.

Open
Unicode / ASCII converter

Turn text into ASCII/decimal/hex codes and back, or fold accents to plain letters.

Open
Slug generator

Turn titles into URL-friendly slugs with accent stripping and hyphen rules.

Open

Web & encoding

HTML / CSS / JS / Python Minifier

Minify or beautify HTML, CSS, JavaScript, or Python.

Open
URL encoder / decoder

Live percent-encode and decode for query values or full URLs (UTF-8).

Open
URL inspector

Split an href into origin, path, query, and hash. Edit the query table to rebuild the URL.

Open
JWT decode (no verification)

Inspect JWT header and payload JSON. Signature is not verified.

Open
cURL → fetch / axios / Python

Convert pasted curl into ready-to-run fetch, axios, or Python requests.

Open
Image to Base64 / data URI

Encode an image to raw Base64 or a data URI for CSS and HTML embeds.

Coming soon
Base64 / Hex codec

Live convert between UTF-8 text, Base64, Base64URL, and hex (spaces, 0x, \x dumps).

Coming soon

Generators

UUID Generator

Generate random UUIDs (v4) for identifiers or testing.

Open
Password / secret generator

Generate strong passwords and secrets with length, charset, and entropy - all in the browser.

Open
QR code generator

Encode text or a URL as a QR code in the browser. Download PNG or SVG.

Open
Color palette generator

Generate and lock color palettes with harmonies, contrast checks, color-blindness preview, and CSS/Tailwind export.

Open
Gradient generator

Build linear, radial, and conic CSS gradients with repeating variants, position and size controls, editable stops, and CSS/Tailwind export.

Open
SVG blob / wave generator

Build organic blob and wave SVG shapes with brand presets, transparent export, and copy or download.

Coming soon
CSS shadow generator

Build box-shadow and text-shadow with layers, inset, and alpha - preview live, export CSS or Tailwind.

Coming soon
Hash generator

Generate MD5 and SHA checksums for text or files - cache keys, integrity checks, pipeline digests.

Open
Lorem / placeholder text

Generate placeholder paragraphs, sentences, or words - classic ipsum or realistic English.

Open
Mock / fake data generator

Generate fake names, emails, phones, and addresses as a JSON array of records for fixtures and QA.

Coming soon

Converters

Color picker & converter

Pick a color visually or convert between HEX, RGB, HSL, LAB, LCH, and more.

Open
Timestamp Converter

Convert Unix timestamps to readable dates and vice versa.

Open
Number base converter

Convert between binary, octal, decimal, hex, and any base 2-36.

Open

Network & Unix

Unix permission calculator

Toggle rwx for owner, group, and others, or type an octal mode like 755.

Open
CIDR / subnet calculator

Enter an IPv4 address and mask (CIDR or dotted) to get network, broadcast, and host range.

Open
Cron expression builder

Build a 5-field cron schedule visually, read a plain-English explanation, and preview the next runs.

Open
Escape / unescape toolbox

Escape or unescape strings for C, Python, and shell - turn log escapes into text and text into pasteable literals.

Coming soon