Free Online Tools

52 fast, free, no-signup tools for everyday tasks (English • हिन्दी • Español • Português)

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Exam Prep & CBT Simulators 3 NATIONAL ENGINES • 100% FREE

Official NTA/IIT previous years question banks, virtual calculators, and rapid revision notes vaults.

Direct Portals: 📚 GATE ECE CBT + 9 Notes ⚛ JEE Main & Adv PCM Simulator 🧬 NEET UG 720 Marks PCB
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Indian Govt Exam File & Utility Tools NEW CLUSTER • 100% IN-BROWSER

Strict upload compliance for SSC (CGL/CHSL/MTS), UPSC (OTR/Civil Services), IBPS, Railways RRB, Police Bharti, NEET & JEE. Zero server uploads • Safe from cyber cafe security risks.

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Government Forms Resizer Suite 17 OFFICIAL PRESETS Dedicated resizers for SSC (CGL, CHSL, MTS), UPSC OTR, RRB, IBPS Bank, NEET UG, JEE Main, Passport & Aadhaar
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Photo Resizer 20KB to 50KB 3.5 × 4.5 cm Auto-compress passport photo strictly to 20KB–50KB with interactive face guide
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Signature Resizer 10KB to 20KB CLEAN PAPER Crop & compress signature to strictly 10KB–20KB; removes grey phone shadows & boosts ink
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SSC CGL Photo & Signature Resizer SSC PRESET 1-Click SSC CGL/CHSL/MTS/GD suite: Photo 20–50KB, Sign 10–20KB + Date on Photo stamp
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UPSC Photo & Signature Resizer OTR • ADMIT CARD UPSC Civil Services & OTR: 20–50KB, min 350×350px, 3/4 face visibility & name/date bar
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Bank & IBPS Photo Resizer SBI • IBPS Photo (20-50KB), Signature (10-20KB), Thumb Impression (20-50KB) & Declaration (50-100KB)
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NEET & JEE Photo Resizer NTA PRESETS Passport size photo (10-200KB), Postcard 4×6 photo (10-200KB) & Signature (4-30KB)
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Railways RRB Photo & Signature RRB NTPC Exact 30KB–70KB photo and 30KB–70KB signature for Railway Recruitment Board portals
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Calculators 13 Tools
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NPS Calculator NEW · 80CCD(1B)Tier 1 retirement corpus, 60% lump sum & monthly pension
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PPF Calculator NEW · EEE 7.1%Maturity value, loan limits & year-by-year schedule
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SIP & Step-Up Calculator NEW · MFMutual fund compounding returns, step-up & inflation schedule
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HRA Exemption Calculator NEW · Sec 10(13A)Calculate tax-exempt vs taxable HRA with metro 50%/40% rules
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Gratuity Calculator NEW · 15/26 RuleRetirement & resignation gratuity under 1972 Act with ₹20L cap
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Age Calculator EN · HI · ES · PTFind your exact age in years, months, days, and hours
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BMI Calculator EN · ES · PTCalculate your Body Mass Index and health category
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Percentage CalculatorCompute percentages, increases, and decreases instantly
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Loan / EMI CalculatorEstimate monthly EMI, total interest, and repayment schedule
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Hours CalculatorCalculate time differences between two dates or timestamps
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GST / IVA Calculator IN · ES · PTGST 12 rates & IVA (España 21%, México 16%, Portugal 23%)
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Days Between DatesCount total days, weeks, working days, and weekends
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Income Tax CalculatorCalculate tax FY 2025-26 with old vs new regime comparison
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Text & Language Tools 9 Tools
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English Kaise Sikhe (बोलना सीखें) NEW · ऑडियोDaily life spoken English for beginners & moms with Hindi pronunciation & audio
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English to Hindi Typing NEW · हिन्दीPhonetic English to Hindi transliteration with live word suggestions
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Kruti Dev to Unicode NEW · मंगलConvert Kruti Dev 010 font to Unicode Mangal & back
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Word CounterCount words, characters, sentences, and reading time
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Case ConverterConvert text to uppercase, lowercase, title case, and more
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Online NotepadQuick scratchpad that saves locally in your browser
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Remove Duplicate LinesDeduplicate and sort text lines instantly
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Fancy Text Generator50+ Unicode font styles for Instagram and WhatsApp
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Text to SlugConvert text to SEO-friendly URL slugs
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Image & Design Tools 4 Tools
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AI Font Finder NEW · EN · ES · PTIdentify fonts from images with Google Fonts matching
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Image ResizerResize images without quality loss, download instantly
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Image to Base64Convert images to Base64 strings and back
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WhatsApp DP MakerCrop photos to WhatsApp profile size with blur background
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Local AI & Developer Micro-Tools NEW CLUSTER • HIGH CPC

Determine if your PC or laptop can run open-weights LLMs. Calculate exact VRAM, KV cache, Ollama RAM sizing, and compare Claude vs OpenAI API token pricing.

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Laptop & GPU Database NEW 2026 Best local AI models for RTX 3060/4060/4070/4080/4090 & Apple Silicon Mac; sizing & benchmarks
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LLM VRAM Calculator & Spec Matcher POPULAR Match your PC specs to best models (DeepSeek R1, Qwen 2.5, Llama 3.3); calculates weights & KV cache
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Ollama RAM & VRAM Requirements 1-CLICK RUN GGUF quant memory sizing (Q4_K_M vs Q8_0) & GPU layer offload commands
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DeepSeek R1 Hardware Calculator 1.5B to 671B Exact VRAM and Mac Unified Memory requirements for all R1 reasoning distills and MoE
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AI Token Cost Calculator CLAUDE vs OPENAI Compare monthly bills across Claude 3.5 Sonnet, GPT-4o, DeepSeek & compute local GPU ROI
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Developer Tools 8 Tools
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JSON FormatterBeautify, validate, and minify JSON data instantly
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Color PickerPick colors and get HEX, RGB, and HSL values
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Unit ConverterConvert length, weight, temperature, and more between units
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Timer & StopwatchCountdown timer and precision stopwatch in your browser
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Password GeneratorGenerate strong, random passwords with custom options
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URL Encoder / DecoderEncode and decode URLs for web development
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Hash GeneratorGenerate SHA-256, SHA-1, and SHA-384 hashes
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IP Address LookupFind your IP address, location, ISP, and timezone
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Measurement Tools 3 Tools
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Online Ruler EN · ES · PTActual size ruler on your screen in cm and inches
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Screen Size DetectorDetect resolution, PPI, aspect ratio, and device type
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Pixels to InchesConvert pixels to inches, centimeters, and millimeters
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Date & Time Tools 3 Tools
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Time Zone ConverterConvert time between IST, EST, PST, GMT, and JST
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Unix Timestamp ConverterConvert timestamps to human-readable dates and back
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Countdown TimerLive countdown to any date with days, hours, minutes
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Health Tools 3 Tools
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Calorie CalculatorCalculate daily calorie needs, BMR, TDEE, and protein
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Water Intake CalculatorHow much water you should drink daily
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Ideal Weight CalculatorIdeal weight from multiple formulas with BMI range
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Interactive & Audio Utilities 5 Tools
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Mic & Earbud Audio Test EN · ES · PTMic volume, visualizer, 3s loopback & L/R earbud stereo test
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CPS Click Speed Test EN · ES · PTClicks per second, mobile tap speed with haptics & gamer rank
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3D Coin Flip & Dice Roller EN · ES · PTRealistic 3D physics coin flip, multi-coin toss & virtual D6/D20 dice with sound
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Random Number GeneratorPick a random number within any range you specify
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QR Code GeneratorCreate QR codes for URLs, text, Wi-Fi, and contact info

Why Use Our Free Online Tools?

Aaroha offers a curated collection of 52 free online tools designed for students, professionals, designers, and developers who need quick, reliable utilities. Every tool runs entirely in your browser with no sign-up, no downloads, and no hidden fees. Your data stays on your device -- we never store or transmit your inputs to any server.

Our tools cover eight categories: calculators (SIP & Step-Up compounding, HRA Section 10(13A) exemption, Gratuity 15/26 rule, GST, income tax, EMI, BMI, age), text tools (English to Hindi typing, Kruti Dev to Unicode font converter, word counter, case converter, fancy text generator), image and design tools (AI font finder from image, resizer, Base64 converter, WhatsApp DP maker), developer tools (JSON formatter, password generator, hash generator), measurement (online ruler, screen detector, pixels to inches), date and time (Unix timestamp, countdown timer), health tools (calorie, water intake, ideal weight), and generators (random numbers, QR codes). Select high-utility tools also support regional and global languages including English, Hindi (हिन्दी), Spanish (Español), and Portuguese (Português). Bookmark this page for a one-click gateway to the utilities you use most.