Free Developer Tools

Developer Tools tools including Unix Timestamp Converter, JSON Formatter, Regex Tester, Cron Expression Helper. Find focused browser-based workflows on dedicated pages.

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All Developer Tools Tools

Unix Timestamp Converter

Convert epoch seconds/ms and datetime values with timezone-aware display...

JSON Formatter

Format and minify JSON payloads.

Regex Tester

Test regex patterns against input strings.

Cron Expression Helper

Interpret cron syntax into plain language.

ASCII to Text Converter

Convert ASCII numeric sequences back to readable text output.

Base64 Encode / Decode

Encode plain text or decode Base64 payloads.

Binary to Decimal Converter

Convert binary values into decimal output with signed and unsigned support.

CSS Formatter

Format CSS styles for readability.

CSS Minifier

Minify CSS stylesheets quickly.

CSV to JSON Converter

Convert CSV rows to JSON output.

Date to Unix Timestamp

Convert date/time input into Unix timestamps.

Decimal to Binary Converter

Convert decimal integers into binary output.

Decimal to Hex Converter

Convert decimal integers into hexadecimal output.

Diff Checker

Compare two text blocks and highlight line differences.

Email Validator

Validate email syntax, parts, and common formatting errors.

Epoch to Date Converter

Convert epoch timestamps into UTC and local date values.

Hash Generator

Generate SHA hashes from text input.

HEX RGB HSL Color Converter

Convert colors between HEX, RGB, and HSL formats.

Hex to Decimal Converter

Convert hexadecimal values into decimal output.

HTML Formatter

Format HTML markup with cleaner indentation.

HTML Minifier

Minify HTML markup by reducing whitespace.

HTML to Markdown

Convert basic HTML markup into Markdown output.

HTTP Header Parser

Parse raw HTTP headers into structured JSON.

JavaScript Formatter

Format JavaScript snippets quickly.

JavaScript Minifier

Minify JavaScript snippets for compact output.

JSON Escape / Unescape

Escape and unescape JSON string content safely.

JSON Minifier

Minify JSON payloads for compact transport.

JSON to CSV Converter

Convert JSON arrays of objects to CSV.

JSON to XML Converter

Convert JSON objects to XML markup output.

JSON Validator

Validate JSON and inspect syntax errors.

JWT Decoder

Decode JWT header and payload claims.

JWT Generator

Generate unsigned JWT tokens from JSON header and payload.

Markdown Preview

Preview rendered HTML from Markdown input.

Markdown to HTML

Convert Markdown text into HTML output.

SQL Formatter

Format SQL queries for cleaner reading.

SQL Minifier

Minify SQL statements to compact single-line output.

Text to ASCII Converter

Convert plain text into ASCII code points with decimal and hex views.

URL Encode / Decode

Encode or decode URL components.

URL Parser

Parse URL components and query parameters.

UUID v4 Generator

Generate random UUID version 4 values.

UUID v7 Generator

Generate time-ordered UUID version 7 values.

XML Formatter

Format raw XML into clean indented output.

XML to JSON Converter

Convert XML nodes into JSON output.

JSON Schema Validator

Validate JSON documents against JSON Schema definitions.