Free · No sign-up · Runs in browser

JSON
Converter
Toolkit

A collection of fast, private, browser-only converters for developers. Paste JSON, get YAML, CSV, XML, Prisma schemas, SQL — instantly.

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15converters
100%client-side
0sign-ups
free forever

All converters

Every tool runs entirely in your browser. Nothing is sent to a server.

Bidirectional

JSON → YAML

Convert JSON to clean YAML and back. Handles nested objects, arrays, and special strings.

Bidirectional

JSON → CSV

Turn JSON arrays into CSV spreadsheets and parse CSV back to JSON with type inference.

Bidirectional

JSON → XML

Generate well-formed XML from JSON and parse XML tags back to JSON objects.

Bidirectional

JSON → Prisma

Scaffold Prisma schema models from a JSON payload with inferred types and relations.

Bidirectional

JSON → PostgreSQL

Generate batch INSERT statements from JSON and parse INSERT SQL back to JSON.

Options

Word Counter

Count words, characters, sentences, and paragraphs in any text. Great for essays and content writing.

Bidirectional

UUID to Base64

Encode UUIDs to compact Base64 strings and decode Base64 back to standard UUID format.

Options

URL Encode / Decode

Percent-encode special characters in URLs and decode encoded strings back to plain text.

Bidirectional

String to Base64

Encode any string to Base64 and decode Base64 back to its original text instantly.

Options

Remove Duplicate Lines

Paste any text and instantly strip duplicate lines, keeping only unique entries.

Bidirectional

Markdown to HTML

Render Markdown to clean HTML and convert HTML tags back to Markdown syntax.

Bidirectional

Case Converter

Transform text between camelCase, snake_case, PascalCase, kebab-case, and more.

Bidirectional

Date to Unix Timestamp

Convert human-readable dates to Unix timestamps and timestamps back to readable dates.

Bidirectional

JSON to Prisma Schema

Generate a full Prisma schema file from a JSON object with inferred field types and models.

Bidirectional

JSON to TypeScript Interface

Instantly generate TypeScript interfaces from any JSON payload with nested type support.

Why use this toolkit?

Instant, no waiting

All conversions run in your browser via pure JavaScript — zero server round-trips, zero latency.

Your data stays yours

Nothing is uploaded anywhere. Paste real API responses, database dumps, or secrets without worry.

Bidirectional by default

Every converter works both ways. Convert JSON → YAML, then flip back with a single click.