Developer Tools Simplified & Secure

A collection of 56+ essential utilities for developers. Format JSON, encode strings, generate UUIDs, and more.

100% Client-Side • No Server Calls • Privacy First

JSON Tools

JSON Formatter

Format, validate & minify JSON

JSON Schema Gen

Generate JSON Schema from JSON data

JSON ↔ CSV

Convert between JSON and CSV formats

Diff Checker

Compare two texts line by line

Encoders

Base64 Encoder

Encode/decode Base64, Hex, Binary

URL Encoder

URL encode/decode special characters

JWT Decoder

Decode JWT tokens client-side

Markdown → HTML

Convert Markdown to HTML with preview

Unicode ↔ ASCII

Escape/Unescape Unicode

Env Encoder

Encode .env to K8s Secrets

PDF to Base64

Convert PDF to Base64 string

Base64 to PDF

Convert Base64 to PDF file

Date & Time

Timestamp Converter

Convert Unix timestamps to dates

Cron Tool

Build, debug and test complex cron schedules with ease

Text Utilities

Text Case Converter

Convert text between case formats

Regex Playground

Test regex patterns with live highlighting

Text Counter

Count words, characters, lines & more

Lorem Ipsum Generator

Generate placeholder text

Slug Generator

Convert text to URL-friendly slugs

HTML Entity Encoder

Encode/decode HTML entities

Text Reverser

Reverse text, lines or words

Line Sorter

Sort lines alphabetically

Bulk Text Replacer

Find and replace in text

Generators

UUID Generator

Generate v4 UUIDs instantly

Hash Generator

Generate SHA-256, SHA-512 hashes

Password Generator

Create secure random passwords

Random Data Generator

Generate strings, numbers, UUIDs

QR Code Tool

Generate and scan QR codes

Design Tools

Color Tools

HEX-RGB-HSL, Gradients, Contrast

Color Extractor

Extract colors from images

Image Compressor

Compress images client-side

SVG Optimizer

Minify and preview SVG files

Color Converter

Convert RGB, HEX, HSL

Unit Converter

Convert PX, REM, EM, %

Converters

CSV to Excel

Convert CSV files to Excel (XLSX)

YAML ↔ JSON

Convert between YAML and JSON

OpenAPI to JSON

Convert OpenAPI YAML to JSON

Excel to JSON

Convert Excel files to JSON

Excel to CSV

Convert Excel files to CSV

XML ↔ JSON

Convert between XML and JSON

TSV ↔ JSON

Convert between TSV and JSON

TSV ↔ CSV

Convert between TSV and CSV

CSV to HTML

Convert CSV to HTML table

JSON to HTML

Convert JSON to HTML table

Number Base Converter

Convert Binary, Octal, Decimal, Hex

Text ↔ Binary

Convert Text to Binary, Hex, ASCII

Code Tools

Code Minifier

Minify HTML, CSS, and JS

Dockerfile Formatter

Format and clean Dockerfiles

CSS Beautifier

Format and beautify CSS code

HTML Beautifier

Format and beautify HTML code

JS Beautifier

Format and beautify JavaScript

XML Beautifier

Format and beautify XML code

SQL Formatter

Format and beautify SQL queries

Web Tools

Meta Tag Generator

Generate SEO and Social tags

Sitemap Generator

Create XML sitemaps

Security

Encrypt / Decrypt

AES encryption & decryption

Privacy First

All tools run entirely in your browser. No data is ever sent to any server. Your code, tokens, and sensitive information stay on your device.

Fast & Reliable

No network requests means instant results. Tools work offline and are always available when you need them.

Built for Developers

Designed with developers in mind. Clean interfaces, keyboard shortcuts, and features that save you time every day.