Free AI & Utility Tools That Actually Help You
Get Things Done
Explore free developer tools, marketing calculators, text utilities, image generators and productivity tools — all browser-based and free to use.
By the public, for the public — it's not just democracy 🗳️
Browse All Tools
View all →Free JSON Formatter & Validator Online
Format, minify and validate JSON instantly.
Free Base64 Encoder & Decoder
Encode or decode Base64 strings in one click.
UTM Link Builder
Build UTM tracking links for your campaigns.
Word Counter
Count words, characters, sentences and reading time.
UUID Generator
Generate v4 UUIDs in bulk instantly.
Timestamp Converter
Convert Unix timestamps to human readable dates.
Ad ROI Calculator
Calculate ROAS, ROI and profit from any campaign.
Case Converter
Convert text to any case format instantly.
QR Code Generator
Generate QR codes for any URL or text. No watermark.
Password Generator
Generate strong random passwords instantly.
Color Converter
Convert HEX to RGB, HSL and back instantly.
Bill Splitter
Split any bill fairly among friends with tip.
Reverse Tax Calculator
Split any bill fairly among friends with tip.
Built for the community.
By the community.
Have a tool idea? Submit it and we'll build it — or build it yourself and get credited as a contributor.
From the Blog
All posts →What is a Unix Timestamp? A Plain-English Guide in 2026
Unix timestamps are just a count of seconds since Jan 1, 1970. Here's what that means, why it matters, and how to convert them instantly.
How to Calculate Backwards Sales Tax in 2026 — Remove Tax from Any Price
Price already includes tax? Here's how to reverse-calculate the pre-tax amount in seconds — plus a free reverse tax calculator for every US state.
UUID vs GUID: What's the Difference?
UUID and GUID are the same thing with different names. Here's what they actually are, when to use them, and how to generate random uuid in seconds.