Developer Tools
Quick formatting, encoding, and generator utilities for developers — all running entirely in your browser.
JSON Formatter & Validator
Format, validate, and beautify JSON with syntax error detection.
Base64 Encoder & Decoder
Encode text to Base64 or decode Base64 back to text.
URL Encoder & Decoder
Encode or decode URL components and query strings.
UUID Generator
Generate random UUID v4 identifiers, one or in bulk.
Lorem Ipsum Generator
Generate placeholder Lorem Ipsum text by paragraphs, words, or sentences.
Duplicate Line Remover
Remove duplicate lines from a list, keeping only unique entries.
Remove Empty Lines
Strip blank lines out of a block of text.
Line Sorter
Sort lines of text alphabetically, numerically, or by length.
Whitespace Trimmer
Remove leading, trailing, or extra inner whitespace from text.
Slug Generator
Convert any text into a clean, URL-safe slug.
HTML Encoder & Decoder
Escape text to safe HTML entities, or decode HTML entities back to text.
CSS Minifier
Strip comments and whitespace from CSS to shrink file size.
JSON to CSV Converter
Convert a JSON array of objects into a downloadable CSV file.
CSV to JSON Converter
Convert CSV data into a JSON array of objects.
Hash Generator (SHA-1, SHA-256, SHA-512)
Generate SHA-1, SHA-256, and SHA-512 hashes of any text.
Regex Tester
Test and debug regular expressions live against sample text.
Binary / Hex / Decimal Converter
Convert numbers between binary, hexadecimal, octal, and decimal.
Unix Timestamp Converter
Convert Unix timestamps to human-readable dates and back.
JWT Decoder
Decode and inspect JSON Web Token (JWT) payloads without verification.
CSS Gradient Generator
Create linear or radial CSS gradients and copy the CSS code.
Text to Binary Converter
Convert plain text to binary code and binary back to text.
Frequently Asked Questions
- Are these developer tools safe and private to use?
- Yes. Every tool in this category runs entirely in your browser — files are processed locally on your device and are never uploaded to Kreemhunt or any server.
- How many developer tools are available?
- 21 tools are currently available in this category, with more being added regularly.