General Tools
Free online general tools that run entirely in your browser
Free online general-purpose developer utilities including a character and word counter, age calculator, AES encrypt and decrypt tools, URL encoder and decoder, URL slug generator, text case converter, barcode and QR code generators, JWT decoder and inspector, and Base64 text encoder and decoder. Every tool runs instantly in your browser with no signup and no data uploads.
15 free online general tools below that run entirely in your browser. No signup, no uploads — fast and private.
Character Count
Count characters, words, lines, and paragraphs for SEO-optimized content creation.
Age Calculator
Calculate exact age in years, months, and days with leap year accuracy.
Encrypt
Securely encrypt text using AES encryption entirely in your browser.
Decrypt
Decrypt AES-encrypted text using your secret key.
URL Encoder
Safely percent-encode URLs, query strings, and parameter values.
URL Decoder
Decode percent-encoded URLs and query strings back to readable plain text.
URL Slug Generator
Create SEO-friendly URL slugs for better search engine rankings.
Text Case Converter
Convert text to uppercase, lowercase, title case, camelCase, snake_case, and more.
Barcode Generator
Generate Code 128 barcodes for products, inventory, and retail use.
QR Code Generator
Create QR codes for URLs, contacts, Wi-Fi credentials, and events.
Password Generator
Generate strong, cryptographically secure random passwords with custom rules.
UUID / GUID Generator
Generate RFC 4122-compliant UUID v4, v7, and NIL GUIDs in bulk with secure randomness.
JWT Decoder
Decode and inspect JSON Web Tokens, header algorithms, and payload claims.
Base64 Encoder
Convert plain text and Unicode strings into standard or URL-safe Base64.
Base64 Decoder
Decode standard and URL-safe Base64 strings back to plain text and UTF-8.