Instant Online Utilities for Developers & Creators
Lightning-fast, 100% private, and run completely in your browser. UtilityNow provides all the essential developer helpers, image tools, and smart calculators in one clean, modern workspace.
Developer Tools
24 toolsJSON Formatter
Format, beautify, and minify raw JSON data. Customize indentation levels and copy clean JSON instantly.
JSON Validator
Check if your JSON data is valid. Get clear error messages, including line numbers and character positions for invalid JSON.
Base64 Converter
Encode text into Base64 format or decode Base64 strings back to clean, readable text with full Unicode support.
JWT Decoder
Decode JSON Web Tokens (JWT) client-side. View headers, payloads, signatures, and check token expiry times instantly.
UUID Generator
Generate single or bulk secure RFC 4122 UUID v4 codes. Customize casing, hyphens, and quantities.
Password Generator
Build ultra-secure custom passwords. Configure length, toggle symbols, numbers, casing, and review password strength.
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 cryptographic checksums from input text.
URL Encoder & Decoder
Encode query parameters safely to RFC 3986 format or decode percent-encoded strings back to standard URIs.
URL Shortener
Compress long links into neat shortened URLs, customize link aliases, generate QR codes, and monitor click statistics.
Regex Tester
Write and test regular expressions in real-time. Match test strings, view capture groups, and check validation regex.
Timestamp Converter
Convert Unix epoch timestamps (seconds/milliseconds) to human-readable date-time formats, and vice-versa.
One-Time Secret Share
Share sensitive passwords, tokens, or private keys using zero-knowledge E2E encryption and burn-on-read links.
QR Code Generator
Generate high-resolution custom QR codes instantly. Customize foreground and background colors, sizes, and correction levels.
Color Picker
Pick, convert, and analyze colors. Includes a visual canvas spectrum, contrast ratio checker, palette generator, and history.
Coin Flipper (Toss a Coin)
Make quick, fair 50/50 decisions. Toss a virtual 3D coin online, track flip stats, and run bulk coin-tossing simulations.
3D Dice Roller
Roll virtual 3D dice for board games or probability stats. Roll 1 to 5 dice at once with realistic rolling sounds.
Decision Spin Wheel
Spin a customizable wheel of fortune to pick random choices. Edit segment options, colors, and hear clicking tick sounds.
Rich Text Editor
Write and style text online. Track word counts, calculate reading metrics, and download output as HTML, TXT, or Markdown.
CSV to JSON Converter
Convert CSV/TSV data to structured JSON arrays or objects in real-time. Supports delimiters and minification.
Excel to JSON Converter
Convert Excel spreadsheets (.xlsx, .xls) to structured JSON arrays. Select individual worksheet tabs and download output.
XML Formatter & Beautifier
Format, validate, and minify XML markup. Customize indentation sizes, track element errors, and copy/download output.
Email Signature Generator
Generate professional HTML email signatures. Customize colors, avatars, layouts, and copy for Gmail, Outlook, or Apple Mail.
Microphone Test
Inspect microphone input stream in real-time. Check volume decibels, view waveforms, and capture test recordings.
Speaker & Audio Test
Test stereo channel separation, check back-and-forth panning, and generate frequency sweep tones in your browser.
Image & Document Tools
10 toolsImage Compressor
Reduce image file size while keeping high quality. Compress JPEG, PNG, and WebP images entirely in your browser.
Image Resizer
Resize images by pixel dimensions (width & height) or percentages. Retain aspect ratio and export to custom formats.
WebP Converter
Convert PNG, JPG, SVG, and other image formats into WebP format, or convert WebP images back to standard PNG/JPG.
Image Cropper
Crop your images online with standard aspect ratio presets (Square 1:1, Landscape 16:9, Portrait 4:3, or Free selection).
Image to Base64
Encode any image file into a Base64 string. Copy raw data, data URI, HTML image tags, or CSS background syntax instantly.
PDF to HD Image
Convert PDF pages to high-definition PNG or JPEG images. Unlock password-protected PDFs and download individual pages or packaged ZIPs.
PDF & Image Combiner
Merge and combine multiple PDF files and images into a single PDF document. Rearrange pages, adjust sizes, and preview client-side.
Passport Photo Maker
Create, crop, adjust, and print passport-size photos. Generate custom layouts for A4, Letter, 4x6, or 5x7 papers with cutting guides.
Word to PDF Converter
Convert DOCX & DOC Word documents to PDF while preserving 100% of the original formatting, fonts, margins, images, and tables.
Word to JPG Converter
Convert Word DOCX & DOC documents to HD JPG or PNG images with exact formatting preservation. Export single pages or ZIP archive.
Financial & Calculation Tools
10 toolsAge Calculator
Calculate your exact age in years, months, days, hours, and minutes. See the remaining time until your next birthday.
EMI Calculator
Plan your home, car, or personal loan EMIs. Review total interest payable, loan breakdown chart, and amortization schedule.
GST Calculator
Calculate Goods and Services Tax (GST) easily. Compute Inclusive and Exclusive taxes with customizable tax slabs.
Gratuity Calculator
Calculate your gratuity amount under the Payment of Gratuity Act 1972. Supports Covered and Non-Covered rules.
Loan Calculator
Calculate home, car, or personal loan EMIs, estimate loan affordability, and compare two different loan offers side-by-side.
Percentage Calculator
Compute various percentage problems: percentage of a value, percentage increase/decrease, and values ratios.
Salary Calculator
Calculate your Indian in-hand net salary. Compare Old vs New Tax Regimes side-by-side with deductions and tax breakdown.
SIP Calculator
Calculate wealth gained and future maturity value of your Mutual Fund Systematic Investment Plans (SIP) with SVG graph.
BMI Calculator
Calculate your body mass index (BMI) instantly. Support for Metric and Imperial units, healthy target ranges, and wellness guides.
Universal Unit Converter
Convert units of length, weight, area, volume, temperature, speed, time, and data size with live equivalents comparators.
Why UtilityNow is the Web's #1 Client-Side Tool Suite
🔒 100% Zero-Upload Privacy
Unlike traditional converters and utility sites that upload your sensitive documents, images, and tokens to remote servers, UtilityNow processes everything directly inside your browser using WebAssembly and HTML5 APIs.
⚡ Instant Client-Side Performance
No waiting in server queues or uploading large files across slow networks. Transformations like JSON formatting, Base64 encoding, and image compression happen in milliseconds.
📱 Installable Progressive Web App (PWA)
Install UtilityNow on your desktop, macOS, iOS, or Android device. Use your favorite developer utilities, converters, and financial calculators even when completely offline.
Frequently Asked Questions
Are all tools on UtilityNow completely free to use?
Yes! Every single one of our 44+ tools—including developer utilities, image converters, PDF tools, and financial calculators—is 100% free with no subscriptions, limits, or hidden fees.
Do any of my files or data get stored on your servers?
Never. UtilityNow is engineered around strict privacy-first architecture. All parsing, encoding, compression, and calculations execute entirely in your local browser runtime.
Can I use UtilityNow tools offline?
Yes. Thanks to modern Service Worker caching, once you load UtilityNow or install it via the PWA prompt, client-side tools continue to work without an active internet connection.