Free Online Tools
Powerful, privacy-first tools that run entirely in your browser. No registration required.
Developer Tools
Barcode Generator
Generate CODE128, CODE39, EAN, UPC, and ITF barcodes — preview and download PNG instantly.
Base64 Converter
Encode text to Base64 or decode Base64 strings instantly.
Hash Generator
Generate cryptographic hashes (MD5, SHA-1, SHA-256, SHA-512) from text or files instantly.
JSON Formatter & Converter
Format, validate, and minify your JSON data easily.
JSON TOON Converter
Convert JSON to a compact, TOON-style notation and back — whitespace and key quotes removed, common key names shortened.
QR Code Generator
Generate QR codes for URLs, text, or any data instantly.
Regex Tester
Test and debug regular expressions against sample text with live match highlighting.
URL Encoder & Decoder
Encode URLs or decode URL-encoded strings.
Unix Timestamp Converter
Convert Unix timestamps to human-readable dates and back, in your local time and UTC.
Text Tools
Lorem Ipsum Generator
Generate placeholder Lorem Ipsum text in paragraphs, words, sentences, or lists.
Sort & Remove Duplicate Lines
Remove duplicate lines and sort text A→Z or Z→A — trim and case options included.
Text Case Converter
Convert text between uppercase, lowercase, title case, and sentence case instantly.
Word Counter
Free online word counter tool. Count words, characters, sentences, paragraphs, and get detailed text statistics instantly.
Media Tools
Color Picker & Converter
Pick colors and convert between RGB, HEX, and HSL formats instantly.
Image Compressor
Compress JPG and WebP images in your browser — preview size savings and download.
Image Converter
Convert images between JPG, PNG, and WebP formats. Free online image format converter. No file size limits, no registration required.
Security Tools
One-Time Secret Sharing
Share a password, API key, or private note through a one-time link that self-destructs after it is read. Encrypted in your browser — we can never see it. Free, no sign-up.
Password Generator
Generate strong, secure passwords instantly. Create random passwords with customizable length and character types. Free and secure.
Data Tools
Excel to CSV/JSON Converter
Convert Excel files to CSV or JSON format. Free online Excel converter tool. No file size limits.
Unit Converter
Convert length, weight, temperature, data size, area, volume, and speed instantly.
Calculators
Simple and Compound Interest Calculator
Calculate simple or compound interest and compare the two.