Wobot Utility Tools

A collection of browser-based utility tools for developers and designers. No API calls, all processing happens in your browser.

JSON & Data

Format and validate JSON data

JSON Schema Validator

Validate JSON data against a schema

Convert CSV data to JSON format

Convert JSON data to CSV format

Encoding

URL Encode/Decode

Encode or decode URL strings

Base64 Encoder/Decoder

Encode/decode any string or file content

Image to Base64

Convert images to Base64 encoded strings

Decode and inspect JWT tokens

Text

Test and debug regular expressions in real-time

Markdown Previewer

Write Markdown and see a live preview

Text Case Converter

Convert text between different cases

Generators

Generate random UUIDs (v1, v4, v7)

Lorem Ipsum Generator

Generate placeholder text for your designs

Color & Design

Color Converter

Convert between HEX, RGB, and HSL color formats

Contrast Checker

Check color contrast for WCAG compliance

Time

Timestamp Converter

Convert timestamps to readable dates

Cron Expression Tester

Visualize and validate cron job expressions

Images

Image Compressor

Compress images directly in your browser

Load an image from a URL with a Referer header attached