Developer tools that are fast, free & private

134+ tools across 12 categories — JSON, YAML, CSV, XML, and more. Everything runs in your browser. No signup, no uploads.

12 categories · 134+ live tools · No signup · 100% free

Browse by category

Pick a category to see every tool inside — formatters, converters, validators, and more.

Complete

JSON Tools

Format, validate, convert, and explore JSON data.

41 toolsBrowse

Complete

YAML Tools

Validate, format, convert, and lint YAML configuration files.

17 toolsBrowse

Complete

CSV / Excel

Convert spreadsheets and CSV files to JSON and more.

16 toolsBrowse

Complete

XML Tools

Format, validate, and convert XML documents.

14 toolsBrowse

Complete

Encoding & Crypto

Encode, decode, hash, and inspect tokens.

12 toolsBrowse

Complete

Web (HTML/CSS/JS)

Beautify, minify, and validate web code.

6 toolsBrowse

Complete

Date & Time

Parse timestamps, calculate dates, and decode cron.

6 toolsBrowse

Complete

Text Tools

Transform, compare, and analyze plain text.

5 toolsBrowse

Complete

Color Tools

Convert, pick, and generate color palettes.

5 toolsBrowse

Complete

Generators

Generate UUIDs, passwords, QR codes, and mock data.

5 toolsBrowse

Complete

Markdown

Edit, preview, and convert Markdown documents.

4 toolsBrowse

Complete

Number / Math

Convert bases, calculate bitwise ops, and convert units.

3 toolsBrowse

Why ToolsCandy?

Built for developers who want powerful tools without the privacy trade-offs.

Private

Your data stays in the browser. Nothing is sent to our servers.

Fast

No round-trips to a backend — get instant results as you type.

Free

Every tool is free to use, with no paywalls or usage limits.

No signup

Open a tool and start working. No account or email required.