Prepare Images Business QR PDF Hub Invoice Maker Web SEO Dev Data Loan / SIP

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Browse 521+ free utilities in one simple list.

521 Production Tools 25 Domains 100% In-Browser Memory

Everyday utilities, precision crafted. Zero uploads. Instant results.

High-performance, private browser utilities for engineering, finance, documents, and creative media. No server latency, no data collection, and no account barriers.

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PDF Suite Image Studio QR Studio Calculators Developer Converters Tax & Finance

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Direct execution pathways for common everyday workflows. No setup required.

8 Core Workstations
Documents & Creative Media
PDF Document Pipeline Merge, compress, split & convert documents
Image Studio & Optimizer Shrink, resize & convert WebP, JPG, PNG
Dynamic QR Studio Generate Wi-Fi, vCard, URL & UPI codes
Text & Syntax Utilities Word count, diff checker, case converter
Engineering, Tax & Security
Developer Formatter Beautify JSON, debug JWT & inspect payloads
GST & Tax Calculator Compute tax breakdowns, EMI & interest
Universal Unit Converter Convert length, mass, currency & physics
Security & Identifiers Generate cryptographic UUIDs, hashes & keys

Everyday Quick Utilities

Fast, single-step utility widgets for instant calculations and formatting.

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calculators

Percentage Calculator

Calculate margins, discounts & compound growth rates.

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text

Word & Text Counter

Real-time character, word, sentence & reading time stats.

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security

Password Generator

Generate high-entropy cryptographic passwords locally.

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datetime

Timestamp Converter

Convert Unix epoch times to ISO 8601 & UTC dates.

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design

Color Palette Studio

Convert HEX, RGB, HSL and evaluate WCAG 2.1 contrast.

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developer

Base64 & URL Encoder

Encode and decode text, data URI strings and payloads.

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Explore Utility Categories

Browse all 25 organized domains covering 521+ free in-browser utilities.

25 Domains 521 Verified Utilities
14 Tools

Image Tools

Compress, resize, convert, extract palettes and optimize images locally in your browser with zero quality loss.

Image Compressor Image Resizer Image Format Converter
67 Tools

PDF Suite

Merge, split, watermark, and convert PDF documents with 100% client-side privacy. Your files never leave your device.

PDF Merge & Combiner PDF Splitter & Page Extractor Images to PDF Converter
14 Tools

Text & Documents

Word counts, case conversions, line sorting, deduplication, text diffs, and Markdown live formatting.

Word & Character Counter Text Case Converter Text Diff & Comparison Tool
30 Tools

Developer Tools

JSON formatter, validator, JWT debugger, UUID generator, base64/URL encoders, and Web Crypto hash calculators.

JSON Formatter, Validator & Tree Viewer Base64 Text Encoder & Decoder URL Encoder & Decoder
15 Tools

SEO Tools

Meta tag builders, SERP previewers, robots.txt creators, sitemap generators, and Schema.org structured data helpers.

SEO Meta Tag & Social Card Generator Google SERP Snippet Preview Tool Robots.txt Generator
59 Tools

Business & Calculators

Percentage, compound interest, EMI loan, margin/markup, discount, and financial decision calculators.

Percentage Calculator Suite Compound Interest Calculator Loan EMI & Mortgage Payment Calculator
35 Tools

Design & CSS

Color converters, WCAG contrast checkers, CSS box-shadow, border-radius, and aspect ratio utilities.

Color Converter & WCAG Contrast Checker CSS Box Shadow Generator CSS Border Radius Generator
10 Tools

Date & Time

Age calculations, date differences, countdown timers, Unix epoch converters, and working days planners.

Exact Age Calculator Date Difference & Duration Calculator Fullscreen Countdown Timer & Stopwatch
13 Tools

File & Data Tools

CSV to JSON, JSON to CSV, TSV converters, file checksum validators, and tabular cleaners.

CSV to JSON Converter JSON to CSV Converter TSV to CSV & CSV to TSV Converter
4 Tools

QR Code Suite

Industry-standard QR code generator for URLs, vCards, Wi-Fi, events, location, plus batch generation and camera scanning.

QR Code Generator QR Code Scanner & Decoder Wi-Fi QR Code Generator (WPA, WEP & Open)
22 Tools

Mathematics & Algebra

Solve linear equations, quadratics, calculus derivatives, integrals, trigonometric functions, and arithmetic sequences.

Basic Calculator Scientific Calculator Percentage Increase & Decrease Calculator
12 Tools

Statistics & Probability

Calculate mean, median, standard deviation, normal distributions, z-scores, confidence intervals, and regressions.

Statistics & Descriptive Data Calculator Z-Score & Normal Distribution Calculator Binomial & Poisson Probability Calculator
15 Tools

Finance & Wealth

SIP, compound interest, CAGR, FIRE retirement planning, SWP, portfolio rebalancing, and investment returns.

Step-Up SIP Calculator SWP Calculator (Systematic Withdrawal Plan) Time Value of Money (TVM / PV-FV) Calculator
32 Tools

India Tax & Finance

Old vs New Income Tax regimes, CTC salary breakdown, HRA, EPF, Gratuity, GST calculations, and Indian numbering.

PPF Calculator (Public Provident Fund) Gratuity Calculator (Payment of Gratuity Act) HRA Exemption Calculator (House Rent Allowance)
13 Tools

Loans & Mortgages

Loan EMI, full PITI mortgage breakdown, amortization schedules, prepayments, balance transfer, and loan eligibility.

Loan Prepayment & Tenure Reduction Calculator Loan Amortization Schedule & Prepayment Calculator Auto & Car Loan Calculator with Trade-In & Tax
16 Tools

Science & Physics

Physics mechanics, projectile motion, chemical molarity, pH, stoichiometry, genetics, and astronomy calculations.

Projectile Motion Calculator Solution Dilution Calculator (C1V1 = C2V2) pH and pOH Calculator
34 Tools

Engineering & Construction

Ohm's law, wire voltage drop, concrete mix volume, steel rebar weight, AC tonnage, and gear ratios.

Resistor Color Code Calculator (4, 5 & 6 Band) Three-Phase Electrical Power Calculator Steel Rebar Weight Calculator (DĀ²/162)
19 Tools

Unit & Measurement Converters

Convert length, area, volume, temperature, speed, mass, pressure, energy, power, and digital data units.

Lakh Crore Converter (Indian & Western Numbering) Indian Land Area Converter (Guntha, Bigha, Acre, Cent, Gaj) Length & Distance Precision Unit Converter
12 Tools

Health, Fitness & Nutrition

BMI, BMR, TDEE, macro split, running pace, heart rate zones, calories burned, and hydration estimates.

Sleep Cycle & Circadian Wake-Up Calculator TDEE & Macro Nutrient Split Calculator US Navy Body Fat & Lean Mass Calculator
13 Tools

Business, SaaS & Marketing

SaaS metrics (MRR, LTV, CAC, Churn), marketing ROI/ROAS, break-even analysis, margins, and unit economics.

SaaS MRR, ARR & Churn Calculator Startup Burn Rate & Runway Calculator YouTube Revenue & AdSense RPM Calculator
16 Tools

Productivity & Career

Pomodoro timers, timesheets, Eisenhower matrix, billable hours, salary hikes, and notice periods.

Freelance Hourly & Day Rate Calculator Free Professional Invoice Generator POS Thermal Receipt Generator
18 Tools

Audio, Video & Media

BPM tap tempo, pitch shift, audio/video bitrate calculators, frame rate duration, and SRT subtitle tools.

BPM Tap Tempo & Metronome Tool Audio & Video Bitrate Calculator BPM Tap Tempo & Visual Metronome
11 Tools

Security, Privacy & Crypto

Cryptographic hashing, passwords, token generation, text redactor, PII masker, and barcode generators.

Free Barcode Generator (Code 128 & Code 39) Luhn Algorithm Validator & Check Digit Generator Text PII Redactor & Data Anonymizer
11 Tools

Networking, DNS & Domains

IPv4/IPv6 subnet calculators, CIDR ranges, SPF/DMARC validators, DNS records, and email deliverability.

IPv4 Subnet & CIDR Prefix Calculator SPF & DMARC DNS Record Validator IPv6 Subnet Calculator & Full 32-Hex Expander
16 Tools

Everyday Life, Travel & Sports

Travel distance, GPS coordinate converter, weather heat index, cooking conversions, cricket run rates, and randomizers.

GPS Coordinate Distance Calculator (Haversine) Cooking Measurement Converter (Cups to Grams & Spoons) Baker's Percentage & Pizza Dough Scaler
Private In-Browser Execution — All tools work without an account. Accounts are optional and store only business profiles and dynamic QR links. Documents, invoices and tool data are never uploaded.
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