toolkit
Home Handbook How It Works Simulators Tools
Local Processing

Master Your Data

Format, validate, and transform data instantly. Built on a privacy-first architecture where your data never leaves your browser.

Format & Validate

JSON Formatter

Beautify and minify JSON data

Open Tool

SQL Formatter

Format complex SQL queries

Open Tool

JSON Validator

Strict syntax validation

Open Tool

Convert & Transpile

YAML ↔ JSON

Convert config files between YAML/JSON

Open Tool

CSV ↔ JSON

Transform spreadsheets to JSON

Open Tool

Markdown ↔ HTML

Render Markdown or extract HTML

Open Tool

JSON to Go

Generate Go structs from JSON

Open Tool

Extract & Analyze

JSONPath Extractor

Query data using JSONPath syntax

Open Tool

Text Diff

Compare text files line-by-line

Open Tool

JSON Diff

Semantic comparison of JSON objects

Open Tool

Base64 Encoder

Encode and decode Base64 strings

Open Tool

URL Encoder

Percent-encoding for URLs

Open Tool

JSON Schema Gen

Generate JSON Schema from data

Open Tool

Most tools process data locally in your browser. Some utilities require server-side processing.

How It Works Handbook About Privacy Terms Tools Simulators
Request a Tool →
© 2026 Toolkit. All rights reserved.