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Developer tools

Useful tools, without the clutter.

Fast utilities that run locally in your browser. No uploads, no accounts, no waiting.

14 tools All processing stays on this device
Data

JSON Formatter

Format, validate, and minify JSON data.

Encoding

Base64 Encoder

Encode text to Base64 or decode it locally.

Encoding

URL Encoder

Safely encode and decode URL components.

Date & time

Unix Timestamp

Convert timestamps and readable dates.

Generators

UUID Generator

Generate one or many secure UUID v4 values.

Security

JWT Decoder

Inspect JWT headers and payloads in your browser.

Date & time

Cron Parser

Translate common cron schedules into plain English.

Data

SQL Formatter

Make SQL queries easier to read and review.

Security

Hash Generator

Calculate SHA-1, SHA-256, SHA-384, and SHA-512 digests.

Developer

Regex Tester

Test patterns, flags, capture groups, and matches.

Data

YAML ↔ JSON

Convert safely between YAML and JSON.

Data

JSON ↔ CSV

Convert arrays of objects and tabular CSV data.

Developer

Text Diff Checker

Compare two blocks of text line by line.

Generators

Password Generator

Create strong passwords with configurable character sets.

DDevCalc

Practical tools for developers and AI engineers.

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