All tools

20 tools, grouped by category. All of them run in your browser.

Encoding & Decoding

4

Base64, URL, HTML entities, JWT and other wire formats.

B64 Base64 Encoder / Decoder Encode and decode Base64 text and files, entirely in your browser &#; HTML Entity Encoder / Decoder Escape and unescape HTML entities so markup renders as text JWT JWT Decoder Decode and inspect JSON Web Tokens without sending them anywhere URL URL Encoder / Decoder Percent-encode and decode URLs, with component and full-URI modes

JSON & Data

2

Format, validate and convert structured data.

{ } JSON Formatter Beautify, minify and validate JSON with the error position shown YML JSON ↔ YAML Converter Convert JSON to YAML and back, with reserved words quoted correctly

Text

5

Clean, compare, transform and count text.

Aa Case Converter Convert between camelCase, snake_case, kebab-case and eight more LIP Lorem Ipsum Generator Generate placeholder paragraphs, sentences or words, optionally wrapped in HTML Remove Line Breaks Join wrapped lines into one block while keeping paragraph breaks SLG Slugify Turn any title into a clean URL slug, with proper Turkish handling DIF Text Diff Compare two blocks of text line by line and see exactly what changed

Time & Date

2

Timestamps, cron expressions and time zones.

CRN Cron Expression Parser Explain a cron expression in plain English and list the next runs UTC Unix Timestamp Converter Convert timestamps to dates and back, with the unit detected for you

Security & Crypto

3

Hashes, identifiers and passwords — generated locally.

# Hash Generator Compute MD5, SHA-1, SHA-256, SHA-384 and SHA-512 in your browser PWD Password Generator Generate strong passwords locally, with real entropy shown UID UUID / GUID Generator Generate v4 and time-ordered v7 UUIDs in every .NET format

Web & Network

1

URLs, regular expressions and HTTP references.

.* Regex Tester Test a regular expression, see every match and get the pattern explained

Color, Image & Design

1

Colors, contrast, images and QR codes.

QR QR Code Generator Generate a QR code as clean SVG or PNG, entirely in your browser

.NET & C#

1

Tools built for the .NET ecosystem specifically.

C# JSON to C# Class Generate C# records or classes from JSON, with System.Text.Json attributes

Code

1

Format, minify and compare source code.

SQL SQL Formatter Format a one-line query into something readable, or collapse it back