Developer Tools

JSON Formatter & Validator

Format, validate, beautify, and minify JSON with precise syntax error line and column detection.

JSON Minifier & Compressor

Minify and compress JSON strings by stripping all whitespace, newlines, and unnecessary indentation for production payloads.

JSON Diff & Comparator

Compare two JSON objects side-by-side with line-by-line semantic diffing and structural highlighting.

JSONPath Tester & Query Evaluator

Test and debug JSONPath expressions against complex JSON payloads with instant live evaluation.

JSON Pointer Tester (RFC 6901)

Evaluate RFC 6901 JSON Pointer references to pinpoint exact elements inside JSON documents.

JSON String Escape & Unescape

Escape special characters in strings for safe JSON embedding, or unescape JSON-encoded strings.

JSON Schema Generator

Infer and generate JSON Schema (Draft-07) automatically from sample JSON payloads.

JSON Schema Validator

Validate JSON payloads against JSON Schema specifications with descriptive structural error logs.

XML Formatter & Beautifier

Beautify, indent, and format XML documents with tag balancing validation.

XML Minifier

Compress XML files by stripping whitespace, line breaks, and indentation without corrupting data.

XML Entity Escape & Unescape

Escape and unescape XML special characters (&, <, >, ", ').

YAML Formatter & Beautifier

Format and validate YAML files with strict indentation and syntax error diagnostics.

YAML Minifier

Compress YAML configurations by stripping comments and extraneous blank lines.

CSV Formatter & Aligner

Align CSV columns into monospaced columns with uniform padding for easy visual terminal inspection.

CSV Validator & Linter

Validate CSV files for row column consistency, unclosed quotes, and delimiter errors.

Data Converters

(10)

JSON to CSV Converter

Convert JSON arrays or objects into clean, RFC 4180-compliant CSV files with quote escaping.

CSV to JSON Converter

Parse CSV files and strings into typed, formatted JSON arrays of objects with automatic type inference.

JSON to YAML Converter

Convert JSON payloads into clean, readable YAML with customizable 2-space or 4-space indentation.

YAML to JSON Converter

Parse YAML configurations into formatted or minified JSON with full support for YAML 1.2 syntax.

JSON to XML Converter

Convert hierarchical JSON data structures into well-formed XML documents with custom root tags.

XML to JSON Converter

Parse XML tags, attributes, and text nodes into structured JSON objects and arrays.

XML to CSV Converter

Extract tabular records from XML datasets and export them to clean CSV files.

CSV to TSV Converter

Convert comma-separated values (CSV) into tab-separated values (TSV) for spreadsheets.

TSV to CSV Converter

Convert tab-separated values (TSV) into standard comma-separated values (CSV).

CSV Column Extractor & Filter

Extract, rearrange, or filter specific columns from large CSV tables.

Encoding

(7)

Base64 Encoder & Decoder

Encode plain text to Base64 or decode Base64 strings with complete UTF-8 character support.

Base64URL Safe Converter

Encode and decode URL-safe Base64 strings with - and _ characters without padding.

URL Encoder & Decoder

Percent-encode or decode query parameters and URLs with standard or strict encoding.

HTML Entity Encoder & Decoder

Convert special HTML characters (&, <, >, ", ') into HTML entities or decode them.

Hex String Encoder & Decoder

Convert plain text into hexadecimal byte representations (or hex strings to readable text).

Unicode Escape & Unescape

Convert characters to \uXXXX Unicode escape sequences and decode escape strings back to text.

UTF-8 Byte & Code Point Inspector

Inspect individual characters, Unicode code points, UTF-8 byte sequences, and binary values.

Authentication

(4)

JWT Inspector & Decoder

Decode JSON Web Tokens (JWT) locally to inspect header, payload claims, and expiration dates.

JWT Header Decoder

Extract and inspect the JOSE Header of a JSON Web Token to check signing algorithm (alg) and key ID (kid).

JWT Payload Decoder

Extract and format the payload claims (sub, iss, aud, roles, permissions) of a JSON Web Token.

JWT Expiration & Claims Checker

Check whether a JWT is expired, calculate exact expiry countdown, and inspect iat/nbf timestamps.

Regex

(3)

Regular Expression Tester & Debugger

Test regular expressions in real-time with ReDoS timeout protection, match highlighting, and capture groups.

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Regex Pattern Library & Cheatsheet

Searchable library of production-tested regular expressions for emails, URLs, dates, passwords, and IPs.

Regex String Escape Helper

Escape special regex characters in dynamic strings for safe concatenation into new RegExp().

Time & Date

(3)

Unix Timestamp Converter

Convert between Unix epoch timestamps (seconds/milliseconds) and human-readable dates with timezone previews.

Timestamp Difference & Duration Calculator

Calculate the exact elapsed time and duration between two timestamps in days, hours, minutes, and seconds.

ISO 8601 Date/Time Converter

Convert dates to strict ISO 8601 formatted strings (YYYY-MM-DDTHH:mm:ss.sssZ).

Cron

(2)

Cron Expression Translator & Validator

Parse, validate, and translate standard 5-part cron expressions into plain English with upcoming run schedules.

Cron Schedule Generator

Generate cron schedule expressions visually with minute, hourly, daily, weekly, and monthly options.

SQL

(3)

SQL Formatter & Beautifier

Format and beautify complex SQL queries across PostgreSQL, MySQL, SQLite, and Transact-SQL dialects.

SQL Minifier

Minify SQL queries by removing single-line and multi-line comments and collapsing unnecessary whitespace.

SQL Keyword Casing Converter

Standardize SQL keyword casing across queries (SELECT vs select, WHERE vs where).

Markdown

(5)

Markdown Formatter & Linter

Format and normalize Markdown documents with clean heading spacing and list alignment.

Markdown to HTML Converter

Convert Markdown into clean semantic HTML markup with headings, code blocks, lists, and links.

HTML to Markdown Converter

Convert HTML markup into clean Markdown syntax for documentation and notes.

Markdown to Plain Text Stripper

Strip all Markdown formatting symbols to extract clean, unformatted plain text.

Markdown Table Generator

Build aligned Markdown tables visually with columns, rows, and alignment pipes.

Network & HTTP

(6)

HTTP Status Code Directory

Searchable reference directory of HTTP status codes (2xx, 3xx, 4xx, 5xx) with RFC descriptions.

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HTTP Method Reference

RFC 9110 HTTP method specification reference detailing idempotency, safety, and caching rules.

MIME Type & Content-Type Directory

Searchable directory of standard MIME types, file extensions, and Content-Type header values.

IPv4 Address Validator & Bitmask Calculator

Validate IPv4 addresses, inspect octets, binary bit patterns, private IP ranges, and class types.

IPv6 Address Validator

Validate standard and compressed IPv6 addresses with loopback and link-local checks.

CIDR Subnet & Usable IP Calculator

Calculate network address, broadcast address, netmask, and usable host IP ranges from CIDR notation.