ToolPal
Free Online Tools for Developers
Powerful, fast, and free tools for developers, writers, and everyone.
Featured Tools
View AllJSON Formatter
Format, validate, and beautify your JSON data online for free.
DevPassword Generator
Generate strong, secure random passwords with customizable length and character types.
CalcPassword Strength Checker
Check password strength instantly with entropy analysis, crack time estimate, and detailed criteria breakdown.
CalcImage Compressor
Compress images online for free. Reduce file size while maintaining quality. Supports JPEG, PNG, and WebP formats.
MediaQR Code Generator
Generate QR codes for URLs, text, Wi-Fi passwords, and more. Customize colors, size, and error correction level.
DevBase64 Encoder/Decoder
Encode text to Base64 or decode Base64 to text instantly.
DevColor Picker & Converter
Pick colors and convert between HEX, RGB, HSL, and RGBA formats instantly.
DevWord Counter
Count words, characters, sentences, and paragraphs in your text.
TextUUID Generator
Generate random UUIDs (v4) instantly. Bulk generate up to 100 UUIDs at once.
DevRegex Tester
Test and debug regular expressions with real-time matching and highlighting.
DevURL Encoder/Decoder
Encode or decode URLs and query parameters online.
DevImage Resizer
Resize images online for free. Set exact dimensions, choose output format, and download instantly. No upload to server.
MediaLatest Posts
View AllHow to Check If Your Password Is Actually Strong (and What 'Strong' Really Means)
A practical guide to understanding password strength — entropy, crack times, and why your favorite password is probably weaker than you think.
Roman Numerals: Complete Guide, Converter & Reference Table (2026)
Everything you need to know about Roman numerals — how to read and write them, why they're still used today, and a free online converter.
URL Slug Generator: Create SEO-Friendly Slugs That Actually Rank
Learn why URL slugs matter for SEO, how to create the perfect slug every time, and the hyphen vs underscore debate settled once and for all.