# UtilityBox > UtilityBox is a free, no-signup browser-based utility tools hub with 20 tools for everyday productivity, development, and financial tasks. Every tool runs entirely in the browser — no data is sent to external servers (except live-data tools such as currency rates, which fetch from open exchange rate APIs). ## Site information - **URL:** https://www.utilitybox.shop/ - **Canonical name:** UtilityBox - **Author:** Lalchand Prajapat - **Contact:** iamlalchandprajapat@gmail.com - **Language:** English (partial Hindi support) - **Pricing:** Completely free, no account or sign-up required - **Tech stack:** Vanilla JS SPA, deployed on Vercel ## Tools - [Free Online Calculator](https://www.utilitybox.shop/tool/calculator/) — Scientific calculator with arithmetic, trigonometry (sin, cos, tan, asin, acos, atan), logarithm (log, ln), square root, factorial, exponentiation, and constants π and e. Supports keyboard input and expression-based evaluation. - [Live Currency Converter](https://www.utilitybox.shop/tool/currency-converter/) — Real-time currency conversion for 150+ world currencies using live exchange rate APIs. Shows trend indicator and supports any base/target pair. - [Age Calculator](https://www.utilitybox.shop/tool/age-calculator/) — Calculates exact age in years, months, days, weeks, and hours from a date of birth. Supports age-as-of a specific date, day-of-week identification, and a shareable result URL. Also includes a reverse DOB finder. - [Password Generator](https://www.utilitybox.shop/tool/password-generator/) — Cryptographically secure random password generator using the Web Crypto API. Configurable length and character sets (uppercase, lowercase, digits, symbols). Nothing is stored or transmitted. - [QR Code Generator](https://www.utilitybox.shop/tool/qr-generator/) — Generates downloadable PNG QR codes for URLs, plain text, email addresses, phone numbers, and Wi-Fi credentials. Fully browser-local; no server upload. - [PDF Utility Hub](https://www.utilitybox.shop/tool/pdf-utility-hub/) — Convert plain text, images (JPG/PNG), or Word documents (.docx) to PDF; extract text content from an uploaded PDF. All processing is browser-local using jsPDF, PDF.js, and mammoth.js. - [Global Clock](https://www.utilitybox.shop/tool/global-clock/) — Displays current local time and supports world clock for every country. Shows timezone name, UTC offset, and supports dual-timezone comparison. - [EMI Calculator](https://www.utilitybox.shop/tool/emi-calculator/) — Monthly loan EMI calculator using the standard formula P×R×(1+R)^N / ((1+R)^N − 1). Displays monthly EMI, total amount payable, total interest, and a full month-by-month amortisation schedule. Also supports credit card EMI mode. - [JSON Formatter & Validator](https://www.utilitybox.shop/tool/json-formatter/) — Validates, pretty-prints (with configurable indentation), and minifies JSON. Highlights syntax errors with line and column numbers. Supports file upload and clipboard paste. - [SQL Formatter](https://www.utilitybox.shop/tool/sql-formatter/) — Beautifies and reformats SQL queries (SELECT, INSERT, UPDATE, DELETE, CREATE, etc.) with proper indentation and keyword capitalisation. - [Pass & PIN Generator](https://www.utilitybox.shop/tool/pass-pin-generator/) — Generates memorable passphrases (word-based) and numeric PINs of configurable length. Uses the Web Crypto API for cryptographic randomness. - [Case Converter](https://www.utilitybox.shop/tool/case-converter/) — Converts text between UPPERCASE, lowercase, Title Case, Sentence case, camelCase, PascalCase, snake_case, and kebab-case. Handles multi-line input. - [Base64 Encoder / Decoder](https://www.utilitybox.shop/tool/encoder-decoder/) — Encodes and decodes Base64, URL-encodes/decodes strings, and encodes/decodes HTML entities. All operations are instant and browser-local. - [Text Encryption & Decryption](https://www.utilitybox.shop/tool/text-encrypt/) — AES-GCM 256-bit client-side text encryption with a user-supplied passphrase. Outputs Base64-encoded ciphertext. Decryption requires the same key. No data leaves the browser. - [Regex Tester](https://www.utilitybox.shop/tool/regex-tester/) — Tests JavaScript regular expressions against sample text with live match highlighting, capture group display, and full flag support (g, i, m, s, u, y). - [Cron Expression Generator](https://www.utilitybox.shop/tool/cron-generator/) — Builds and validates standard 5-field cron expressions visually. Outputs a human-readable description and shows the next N scheduled run times. - [Budget Box](https://www.utilitybox.shop/tool/budget-box/) — Personal monthly budget planner: enter total income, add categorised expense items, and see remaining balance with percentage breakdown. Data persists in localStorage. - [Split Expense Calculator](https://www.utilitybox.shop/tool/split-expense/) — Divides shared expenses among multiple people and calculates net who-owes-whom settlements to minimise the number of transactions. - [FM Radio Online](https://www.utilitybox.shop/tool/fm-radio/) — Streams live FM radio stations via browser audio player. Includes a curated station list and a custom stream URL input for any MP3/AAC stream. - [Quick Notes](https://www.utilitybox.shop/tool/quick-notes/) — Browser-local notepad with rich text support and persistent localStorage storage. No account or sync required. Supports image capture and note export. ## Core pages - [About](https://www.utilitybox.shop/about/) — Mission, included modules, and design values of UtilityBox. - [FAQ](https://www.utilitybox.shop/faq/) — Answers to common usage and troubleshooting questions. - [Contact](https://www.utilitybox.shop/contact/) — Contact information and support details. - [Updates](https://www.utilitybox.shop/updates/) — Feature updates and changelog. ## Usage policy All tools on UtilityBox are free to use. No account, sign-up, or payment is required. Live-data tools (currency converter) rely on third-party exchange rate APIs. The site does not store user input on any server; localStorage is used only for settings and the Quick Notes tool.