Developer Tools

Code formatters, minifiers, validators, parsers, and developer utilities.

45 tools

Token Generator

Generate random tokens/strings for auth. Includes custom length, character set selection, and multiple token formats. Free browser tool — no signup, no install.

JWT Decoder

Decode and inspect JWT tokens. Includes header inspection and payload decoding. Runs locally in your browser — free, no signup, no install, no data upload.

Encrypt & Decrypt Text

Encrypt or decrypt text with various algorithms. Includes multiple algorithms and key input. Runs in your browser — free, no signup, no install, no data upload.

HTML Viewer

Preview HTML code in real-time. Includes live preview, syntax highlighting, and code input. Runs in your browser — free, no signup, no install, no data upload.

HTML Formatter

Format and beautify HTML code. Includes indentation options and syntax highlighting. Runs locally in your browser — free, no signup, no install, no data upload.

Lua Beautifier

Format and beautify Lua code. Includes indentation options and syntax highlighting. Runs locally in your browser — free, no signup, no install, no data upload.

CSS Formatter

Format and beautify CSS code. Includes indentation options and syntax highlighting. Runs locally in your browser — free, no signup, no install, no data upload.

GraphQL Formatter

Format and beautify GraphQL queries. Includes indentation options and syntax highlighting. Runs in your browser — free, no signup, no install, no data upload.

Javascript Formatter

Format and beautify JavaScript code. Includes indentation options and syntax highlighting. Runs in your browser — free, no signup, no install, no data upload.

Typescript Formatter

Format and beautify TypeScript code. Includes indentation options and syntax highlighting. Runs in your browser — free, no signup, no install, no data upload.

YAML Formatter

Format and beautify YAML data. Includes indentation options and syntax highlighting. Runs locally in your browser — free, no signup, no install, no data upload.

JSON Formatter

Format and beautify JSON data. Includes indentation options and syntax highlighting. Runs locally in your browser — free, no signup, no install, no data upload.

JSONC Formatter

Format and beautify JSON with Comments (JSONC) files. Includes comment preservation, indentation options, sort keys, and syntax highlighting. Free browser tool.

JSONC Validator

Validate JSON with Comments (JSONC) syntax with error reporting and quality warnings. Includes comment support. Free browser tool — no signup, no install.

JSONC Parser

Parse JSON with Comments (JSONC) into an interactive tree view by stripping comments and trailing commas. Includes comment stripping. Free browser tool.

JSON Compare

Compare two JSON objects side by side. Includes side-by-side diff and highlight differences. Runs in your browser — free, no signup, no install, no data upload.

XML Formatter

Format and beautify XML data. Includes indentation options and syntax highlighting. Runs locally in your browser — free, no signup, no install, no data upload.

SQL Formatter

Format and beautify SQL queries. Includes indentation options and syntax highlighting. Runs in your browser — free, no signup, no install, no data upload.

PHP Beautifier

Format and beautify PHP code. Includes indentation options and syntax highlighting. Runs locally in your browser — free, no signup, no install, no data upload.

HTML Minifier

Minify HTML code by removing whitespace. Includes whitespace removal and comment removal. Runs in your browser — free, no signup, no install, no data upload.

Lua Minifier

Minify Lua code. Includes whitespace removal and size reduction stats. Runs locally in your browser — free, no signup, no install, no data upload.

CSS Minifier

Minify CSS code by removing whitespace. Includes whitespace removal and comment removal. Runs in your browser — free, no signup, no install, no data upload.

JSON Minifier

Minify JSON by removing whitespace. Includes whitespace removal and size reduction stats. Runs in your browser — free, no signup, no install, no data upload.

JSON Viewer

View JSON data in a tree structure. Includes tree view, collapsible nodes, and search. Runs in your browser — free, no signup, no install, no data upload.

SQL Minifier

Minify SQL queries. Includes whitespace removal and size reduction stats. Runs locally in your browser — free, no signup, no install, no data upload.

XML Minifier

Minify XML data. Includes whitespace removal, comment removal, and size reduction stats. Runs in your browser — free, no signup, no install, no data upload.

JSON Editor

Edit JSON data with a visual editor. Includes tree editor, code editor, and validation. Runs in your browser — free, no signup, no install, no data upload.

CIDR Calculator

Calculate network ranges from CIDR notation. Includes network range calculation. Runs locally in your browser — free, no signup, no install, no data upload.

Crontab Generator

Generate cron expressions with visual builder. Includes visual builder, expression preview, and next run times. Free browser tool — no signup, no install.

HTML Stripper

Remove all HTML tags from text. Includes tag removal and preserve text content. Runs locally in your browser — free, no signup, no install, no data upload.

Extract Text From HTML

Extract plain text from HTML content. Includes text extraction and whitespace normalization. Runs in your browser — free, no signup, no install, no data upload.

Online Text Editor

Rich text editor in the browser. Includes rich text formatting and export options. Runs locally in your browser — free, no signup, no install, no data upload.

Markdown Editor

Write and preview Markdown in real-time. Includes live preview and syntax highlighting. Runs in your browser — free, no signup, no install, no data upload.

Realtime HTML Editor

Write HTML/CSS/JS with live preview. Includes live preview and html/css/js panels. Runs locally in your browser — free, no signup, no install, no data upload.

Share Code Snippets

Create and share code snippets. Includes syntax highlighting and shareable links. Runs locally in your browser — free, no signup, no install, no data upload.

Autoprefixer

Add vendor prefixes to CSS. Includes vendor prefix addition and browser compatibility. Runs in your browser — free, no signup, no install, no data upload.

Cron Parser

Parse and explain cron expressions. Includes human-readable explanation and next run times. Runs in your browser — free, no signup, no install, no data upload.

YAML Validator

Validate YAML syntax. Includes syntax validation and error reporting. Runs locally in your browser — free, no signup, no install, no data upload.

JSON Validator

Validate JSON syntax. Includes syntax validation and error reporting. Runs locally in your browser — free, no signup, no install, no data upload.

PHP Validator

Validate PHP syntax. Includes syntax validation and error reporting. Runs locally in your browser — free, no signup, no install, no data upload.

CSS Validator

Validate CSS syntax. Includes syntax validation and error reporting. Runs locally in your browser — free, no signup, no install, no data upload.

JSON Parser

Parse and explore JSON data. Includes data parsing and tree exploration. Runs locally in your browser — free, no signup, no install, no data upload.

CSV Parser

Parse CSV data into a table view. Includes table view and delimiter options. Runs locally in your browser — free, no signup, no install, no data upload.

XML Parser

Parse and explore XML data. Includes tree view and node exploration. Runs locally in your browser — free, no signup, no install, no data upload.

Credit Card Generator

Generate test credit card numbers for development. Includes multiple card types, luhn validation, and test data only. Free browser tool — no signup, no install.