Free Online Tools10
A growing collection of browser-based utilities that work instantly — no installation, no account, no data sent to servers. Each tool runs entirely in your browser for maximum speed and privacy.
- Generator
QR Code Generator
Generate QR codes from any URL, text, or contact instantly in your browser.
- Developer
Base64 Encoder & Decoder
Encode text or data to Base64 and decode Base64 strings back to plain text.
- Generator
UUID Generator
Generate random v4 UUIDs (Universally Unique Identifiers) instantly.
- Text
Word & Character Counter
Count words, characters, sentences, and paragraphs in any block of text.
- Math
Age Calculator
Calculate your exact age in years, months, and days from your date of birth.
- Developer
JSON Formatter & Validator
Format, validate, and pretty-print JSON with syntax highlighting and error detection.
- Developer
URL Encoder & Decoder
Encode special characters in URLs and decode percent-encoded strings.
- Text
Case Converter
Convert text between UPPER CASE, lower case, Title Case, camelCase, and more.
- Math
Percentage Calculator
Calculate percentages, percentage change, and what percentage one number is of another.
- Converter
Unit Converter
Convert between units of length, weight, temperature, area, speed, and more.
Want These Tools on Your Phone?
The 1000+ Tools Android app gives you hundreds of calculators, converters, developer utilities, and everyday tools — all fully offline, lightweight, and free.
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