JSON Formatter and Beautifier
Format, beautify, validate, minify, sort, analyze, and pretty print JSON online.
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72 live tools, more coming soon
Online Developer Tools
JSON tools, number converters, bitwise calculators, and more. Everything runs in your browser. Nothing is uploaded.
JSON Beautifier
Beautify JSON with 2-space, 4-space, or tab indentation. Tree view and validation included.
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JSON Minifier
Minify and compress JSON by stripping whitespace. See exact size savings instantly.
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JSON Validator
Validate JSON syntax with clear error messages showing exact line and position.
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JSON Viewer
Explore JSON in a collapsible tree view. Expand, collapse, and search nested data.
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JSON Parser
Parse JSON with clear error messages showing exact line and position.
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JSON Editor
Edit JSON in the browser with live validation, formatting, and tree view.
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JSON to TOON Converter
Convert JSON to TOON format and reduce repeated keys before sending tabular data to an LLM.
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JSON to CSV Converter
Convert JSON arrays to CSV format online. Flatten nested JSON into spreadsheet ready rows.
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CSV to JSON Converter
Convert CSV data to a JSON array of objects. Handles quoted fields and custom delimiters.
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JSON to YAML Converter
Convert JSON to YAML config files. Clean, readable output for Kubernetes, Docker, and CI pipelines.
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YAML to JSON Converter
Convert YAML configs to JSON instantly. Supports nested structures and lists.
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JSON to XML Converter
Transform JSON data into valid XML documents with proper tags, attributes, and nesting.
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XML to JSON Converter
Convert XML documents to clean JSON. Attributes, nesting, and repeated elements handled.
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JSON to SQL Converter
Generate SQL INSERT statements and CREATE TABLE schemas from any JSON array or object.
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JSON to Excel Converter
Export JSON directly to native Excel .xlsx files with headers, data types, and formatting preserved.
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JSON to TypeScript Interface Generator
Generate TypeScript interfaces and type definitions from JSON objects automatically.
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JSON to GraphQL Schema Generator
Create GraphQL schemas and types from JSON API response samples instantly.
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JSON to HTML Table Converter
Render JSON arrays as clean, styled HTML tables ready to paste into any web page.
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JSON to Markdown Table Converter
Format JSON arrays as Markdown tables for GitHub READMEs, wikis, and Notion docs.
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JSON Schema Validator
Validate JSON against a JSON Schema (draft-07) or generate a schema from any JSON data.
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JSON Diff Checker
Compare two JSON documents and see what was added, removed, or changed. Semantic, ignores key order.
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JSONPath Tester
Write a JSONPath expression and see the matching values from your JSON instantly, with live results.
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Number Tools
Number Converters and Calculators
Binary to Decimal Converter
Convert binary numbers to decimal instantly. Supports negative values and multi-digit input.
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Decimal to Binary Converter
Convert any decimal integer to binary. Toggle 4-bit grouping for easy reading.
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Hex to Decimal Converter
Convert hexadecimal numbers to decimal. Accepts 0x prefix and uppercase or lowercase input.
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Decimal to Hex Converter
Convert decimal integers to hexadecimal. Output shown in uppercase with all-bases reference.
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Binary to Hex Converter
Convert binary numbers to hexadecimal. Also shows octal and decimal equivalents.
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Hex to Binary Converter
Convert hexadecimal to binary with optional 4-bit grouping.
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Decimal to Octal Converter
Convert decimal numbers to octal base-8 format.
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Octal to Decimal Converter
Convert octal (base-8) numbers to decimal.
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Binary to Octal Converter
Convert binary to octal. Groups 3 bits per octal digit.
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Octal to Binary Converter
Convert octal numbers to binary with optional bit grouping.
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Hex to Octal Converter
Convert hexadecimal to octal with all-bases reference panel.
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Octal to Hex Converter
Convert octal numbers to hexadecimal.
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Number to Words Converter
Convert any number up to quadrillions into English words. Supports negative numbers.
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Text to Binary Converter
Convert any text or ASCII characters to binary code. Also converts binary back to text.
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Binary to Text Converter
Decode binary code back to readable text. Each byte (8 bits) should be separated by a space.
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Text to Hex Converter
Convert text and ASCII to hexadecimal bytes using UTF-8 encoding.
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Hex to Text Converter
Convert a hexadecimal string back into readable UTF-8 text.
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Bitwise Calculator
Perform AND, OR, XOR, NAND, NOR, XNOR, NOT, and bit-shift operations. Results in all number bases.
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Random Number Generator
Generate one or many random integers within any range. Options for unique values and sorted output.
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Number Sorter
Sort a list of numbers ascending or descending. Shows sum, min, max, and average automatically.
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Encoding Tools
Encoding and Decoding
Base64 Encode
Convert text and strings to Base64 format instantly. Supports Unicode.
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Base64 Decode
Decode Base64 encoded strings back to plain text. Handles standard and URL-safe Base64.
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JSON to Base64 Converter
Encode JSON to Base64 for URL-safe transmission, JWT payloads, and API tokens.
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Base64 to JSON Converter
Decode Base64 strings to JSON. Perfect for inspecting JWT claims and encoded API responses.
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URL Encode
Percent-encode text and URLs using encodeURIComponent. Converts spaces, slashes, and special characters to safe URL tokens.
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URL Decode
Decode percent-encoded URL strings back to readable text. Handles %20, %2F, Unicode sequences, and all encoded characters.
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JWT Decoder
Decode JSON Web Tokens to read header and payload. Shows expiry as a human date.
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HTML Encode
Encode special characters into safe HTML entities to prevent markup injection.
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HTML Decode
Decode HTML entities back into their original characters, named and numeric.
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Image to Base64
Convert an image to a Base64 data URI, or decode Base64 back to an image. Runs in your browser.
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Hash Tools
Hash Generators
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-384, or SHA-512 hashes. HMAC support included.
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SHA-256 Generator
Compute SHA-256 hashes from any text. 256-bit output in hex and Base64.
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SHA-512 Generator
Compute SHA-512 hashes. 512-bit output, 128 hex characters. Stronger than SHA-256.
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SHA-1 Generator
Generate SHA-1 hashes. 160-bit output. Note: deprecated for security use.
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MD5 Generator
Generate MD5 hashes. 128-bit, 32 hex chars. Use for checksums, not security.
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Utility Tools
Developer Utilities
UUID Generator
Generate version 4 UUIDs (GUIDs) with your browser crypto source. Bulk and uppercase options.
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Unix Timestamp Converter
Convert epoch time to human dates and back. Live clock, UTC, local, and milliseconds.
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Case Converter
Convert text between camelCase, snake_case, kebab-case, PascalCase, and more.
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Color Tools
Color Converters
Color Converter
Convert colors between HEX, RGB, and HSL with a live picker and sliders. Copy any format.
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HEX to RGB Converter
Convert any hex color code to RGB values instantly. Supports shorthand and alpha.
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RGB to HEX Converter
Convert RGB color values to a hex code for CSS and design handoff.
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Web and Text Tools
Web, Text, and Generators
Password Generator
Generate strong random passwords with your browser crypto source. Length and character options.
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QR Code Generator
Create free QR codes from any text or URL. Custom size, colors, and error correction. Download PNG or SVG.
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Word Counter
Count words, characters, sentences, and reading time as you type. Keyword density included.
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Markdown to HTML
Convert Markdown to clean HTML with a live preview. Supports GitHub Flavored Markdown.
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Text Diff Checker
Compare two blocks of text and highlight every added and removed line.
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Cron Expression Generator
Build cron schedules and read them in plain English. Common presets included.
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Slug Generator
Turn any title into a clean, SEO-friendly URL slug. Hyphen or underscore, lowercase options.
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Lorem Ipsum Generator
Generate placeholder text by paragraphs, sentences, or words for mockups and designs.
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Why use JSONToonPro JSON converter tools?
JSONToonPro is a suite of online JSON converter tools built for developers, data engineers, and API teams. Use the JSON Formatter and Beautifier to pretty print JSON, validate syntax, minify JSON, sort keys, inspect a tree view, and analyze JSON structure. Use the converter tools to convert JSON to CSV for spreadsheets, transform JSON to YAML for config files, convert JSON to XML, generate SQL INSERT statements, or export JSON to Excel. Every live tool runs in your browser. No file uploads or server processing.
The JSON to TOON converter is built for LLM prompts. It removes repeated JSON keys from tabular data, which can reduce prompt tokens by 30 to 60 percent on repetitive records. Use the tool pages below for exact format conversion and the homepage for TOON conversion and cost estimates.
Looking for a JSON converter we haven't built?
Try the main JSONToonPro app for JSON to TOON conversion, token counts, and LLM cost estimates.
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