Free Developer Tools

Privacy-first tools that run entirely in your browser. No data is ever sent to a server.

100% Client-Side Processing — Your Data Never Leaves Your Browser

Word Counter

Count words, characters, sentences, and paragraphs. Estimate reading time instantly.

JSON Formatter

Format, validate, and minify JSON data. Pretty-print with proper indentation.

Unix Timestamp Converter

Convert timestamps to dates and vice versa

Base64 Encoder & Decoder

Encode and decode text to Base64 format. Supports UTF-8 characters.

Lorem Ipsum Generator

Generate placeholder text for designs

URL Encoder & Decoder

Encode and decode URLs and components

UUID Generator

Generate random UUIDs/GUIDs

Hash Generator

Generate MD5 and SHA hashes from text

DOCX-Markdown Converter

Convert between Word documents and Markdown

Case Converter

Convert text between upper, lower, title and code cases

JWT Decoder

Decode, verify, and generate JWT tokens

Markdown Editor

Write Markdown with live preview, diagrams, and PDF export