All tools

Everything here runs client-side. Tools marked "In progress" are on the near-term roadmap.

JSON

JSON Formatter & Validator

Format, minify, validate, and browse JSON as a collapsible tree.

Open tool →

JSON Diff

Compare two JSON documents and see what was added, removed, or changed.

Open tool →

JSON to CSV

Convert a JSON array of objects to a CSV table.

Open tool →

JSON to YAML

Convert JSON to block-style YAML.

Open tool →

JSON to TypeScript

Generate TypeScript interfaces from JSON examples.

Open tool →

JSON to Schema

Generate JSON Schema (draft 2020-12) from JSON examples.

Open tool →

JSON Schema Validator

Validate a JSON document against a JSON Schema.

Open tool →

CSV Viewer

View and convert CSV to JSON in your browser.

Open tool →

Encoding

Base64 Encode / Decode

Convert text and files to and from Base64.

Open tool →

URL Encode / Decode

Percent-encode or decode a URL or query string.

Open tool →

HTML Encode / Decode

Escape or unescape HTML entities.

Open tool →

ASCII / Text Converter

Convert between text, ASCII codes, and hex.

Open tool →

Formatting

XML Formatter

Pretty-print and validate XML documents.

Open tool →

XML Diff

Compare two XML documents and see what was added, removed, or changed.

Open tool →

Regex Tester

Test regular expressions with live highlighting and capture groups.

Open tool →

YAML Formatter & Validator

Pretty-print, minify, and validate YAML documents.

Open tool →

Generators

UUID Generator

Generate v4 UUIDs in bulk, in your browser.

Open tool →

Unix Timestamp Converter

Convert Unix epoch timestamps to dates and back.

Open tool →

Security

JWT Decoder

Decode JWT header and payload locally, in your browser.

Open tool →

Hash Generator

Generate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes.

Open tool →