Frequently Asked Questions

Paste your JSON into the JSON Formatter, choose 2-space, 4-space, or tab indentation, and the formatted result appears instantly. You can also validate syntax, minify, sort keys, view the data as a tree, and download the result. Everything runs in your browser.

They mean the same thing. Both take minified or messy JSON and turn it into indented, readable JSON with consistent spacing and line breaks. JSONToonPro offers both a JSON Formatter and a dedicated JSON Beautifier page, and either one formats, validates, and minifies.

Paste your JSON into the JSON Validator. It shows clear error messages with the exact line and position of the problem. Common issues it catches include trailing commas, single quotes instead of double quotes, unquoted keys, comments, and mismatched brackets. It can also auto-fix several of these.

Use the JSON Viewer. It renders your data as a collapsible tree so you can expand and collapse nested objects and arrays instead of scrolling through thousands of lines. A filter box lets you search keys and values inside the structure.

No. Minifying only removes whitespace, indentation, and line breaks. Keys, values, and structure stay exactly the same. Minified JSON is typically 20 to 40 percent smaller, which matters for API payloads and storage.

The first CSV row becomes the JSON keys and every following row becomes one object in a JSON array. Quoted fields with commas inside are handled correctly, and you can choose comma, semicolon, or tab as the delimiter. The reverse direction, JSON to CSV, flattens nested objects into columns.

Yes. The XML to JSON converter turns elements into keys, repeated elements into arrays, and attributes into properties. The JSON to XML converter goes the other way with a configurable root element name, item name, and optional XML declaration.

JSON is required by most APIs and JavaScript code, while YAML is common for configuration files like Kubernetes manifests and Docker Compose. The YAML to JSON converter handles nested structures and lists, and the JSON to YAML converter produces clean config-ready output.

Yes. The JSON to SQL tool generates CREATE TABLE and INSERT statements from a JSON array. The JSON to TypeScript tool generates interfaces and type definitions from any JSON object. There are also converters for Excel, GraphQL, HTML tables, and Markdown tables.

TOON is a compact text format for arrays of similar JSON objects. Instead of repeating every key in every record, TOON declares the keys once as a header and then lists the values row by row, similar to CSV but structured for LLM prompts.

On repetitive records such as API lists, logs, database exports, and analytics rows, TOON typically reduces prompt tokens by 30 to 60 percent. Mixed objects and deeply nested data save less. The converter shows a token estimate for both formats so you can compare before using it.

Modern LLMs read table-like plain text formats well. For best results, add a short instruction that the TOON block is a compact table representation of JSON data. The converter can also convert TOON back to JSON at any time.

Base64 represents binary or text data using 64 safe ASCII characters, which makes it usable in URLs, JSON strings, JWT tokens, email attachments, and data URIs. Encoded data is about 33 percent larger than the original. Use the Base64 Encode and Base64 Decode tools to convert in either direction.

A JWT has three dot-separated segments. Copy the middle segment and paste it into the Base64 to JSON tool. It decodes the segment and formats the JSON claims instantly, all in your browser, so the token never leaves your machine.

URL encoding, also called percent-encoding, replaces characters that are not allowed in URLs with a percent sign and two hex digits, for example a space becomes %20. You need it whenever a query parameter value contains spaces, ampersands, slashes, or non-ASCII characters. Use the URL Encode and URL Decode tools for both directions.

The Hash Generator supports MD5, SHA-1, SHA-256, SHA-384, and SHA-512, with HMAC available for the SHA algorithms. Output is shown in both hex and Base64. Each algorithm also has its own dedicated page.

MD5 is not safe for security purposes because collision attacks are practical. It is still fine for non-security checksums like detecting accidental file corruption. For anything security related, use SHA-256 or stronger.

No. Hashing is a one-way function. The only way to find the original input is to guess and hash candidates, which is why strong, unique passwords matter. The hash tools run entirely in your browser using the SubtleCrypto API, so your input is never transmitted.

Paste the binary number into the Binary to Decimal converter and the result appears instantly, along with the same value in hex and octal. There are twelve base converters covering every pair of binary, decimal, hexadecimal, and octal.

Text to Binary and Binary to Text conversion, a Bitwise Calculator for AND, OR, XOR, NOT, and shifts, a Number to Words converter that spells out values up to quadrillions, a Random Number Generator, and a Number Sorter with sum, min, max, and average statistics.

No. Formatting, validation, conversion, encoding, hashing, and token estimation all run client-side in your browser using JavaScript. Your pasted data is not sent to a server for any of these operations, which makes the tools safe for sensitive payloads.

Yes, all 50 tools are free to use without an account. Some pages may show ads in the future, and optional paid features such as API access and batch processing may be added later.

After the page loads, the core processing happens locally, and every tool is responsive and works on mobile browsers. An internet connection is only needed to load the page itself.