Calculators, Image, PDF & Audio Tools.
Zero Server Uploads. Total Privacy.
Financial & loan calculators, exact KB image compressors, PDF utilities, and audio editors running locally in your browser. Fast, secure, and free forever.
Calculators & Financial Converters
Instant client-side calculators for Home Loan EMI, SIP investments, PPF, GST, exam marks %, CGPA to %, and currency exchange.
Home Loan EMI Calculator
Calculate housing loan EMI, total interest, and prepayment savings for SBI, HDFC & ICICI.
SIP Calculator
Calculate mutual fund monthly wealth compounding and potential returns across 5 to 25 years.
Car Loan EMI Calculator
Calculate auto loan EMI, down payment requirements, and total interest across 1 to 7 years.
Personal Loan EMI
Compute monthly installments, processing fee, and total interest for unsecured loans.
FD Calculator
Calculate Fixed Deposit guaranteed maturity value with quarterly compounding as per RBI standards.
RD Calculator
Calculate recurring deposit maturity and interest earned on disciplined monthly savings.
PPF Calculator
Calculate 15-year Public Provident Fund sovereign maturity with 100% tax-free (EEE) status.
Gratuity Calculator
Calculate statutory gratuity payout under Payment of Gratuity Act 1972 with ₹20 Lakh tax limit check.
Marks Percentage Calculator
Convert 10th and 12th board exam scores (CBSE, ICSE, State) into percentage and division.
CGPA to Percentage
Convert 10-point CGPA into percentage using official CBSE formula (CGPA × 9.5) and engineering rules.
GST Calculator
Add or remove Goods and Services Tax (GST) with 5%, 12%, 18%, 28% slab splits.
Percentage Calculator
Compute percentage of numbers, percent change, markups, and fractional differences.
Salary Calculator
Convert pay across hourly wage, daily, weekly, bi-weekly, monthly, and annual terms.
Age Calculator
Calculate exact chronological age in years, months, days, hours, and next birthday countdown.
BMI Calculator
Calculate Body Mass Index (BMI) with metric and imperial units & healthy weight ranges.
Currency Converter
Live mid-market foreign exchange rates for 35+ global sovereign currencies.
Simple Interest Calculator
Calculate simple interest, principal, rate, time, and maturity with formula SI = (P × R × T) / 100.
Compound Interest Calculator
Calculate exponential compound interest across daily, monthly, quarterly, and annual intervals.
Discount Calculator
Compute sale prices, total dollars saved, stacked promo codes, and post-tax checkout cost.
Tip Calculator
Calculate restaurant bill tips, split checks between friends, and round up totals.
Temperature Converter
Instant synchronous conversion between Celsius (°C), Fahrenheit (°F), Kelvin, and Rankine.
General Loan EMI
Calculate equated monthly installments and view amortization table for any general loan.
Image Compressors (Exact Target KB)
Compress JPG, PNG, and WebP to strict file size limits (20KB, 50KB, 100KB) with zero quality degradation. Perfect for exams, portals, and websites.
Image Compressor (Master)
Compress JPG, PNG, and WebP images to exact target KB or MB limits.
Compress to 20KB
Govt exam portals, SSC, UPSC, and passport photo size reducer.
Compress to 50KB
Reduce photos to under 50KB for job applications, CVs, and visa forms.
Compress to 100KB
Optimal web speed compressor for Shopify, blogs, and email marketing.
Compress Signature
Crop and compress signatures to 10KB–20KB for online exam portals.
Passport Size Photo
Meet exact 20KB–50KB passport & visa photo requirements.
SSC Photo & Sign
CGL, CHSL, MTS photo (20-50KB) and signature (10-20KB) reducer.
UPSC IAS / OTR
Compress photo & signature (20-300KB) for UPSC portal compliance.
Compress to 10KB
Strict byte limit compressor for banking and state PSC forms.
Compress JPG Online
Lossless quality JPEG size reduction directly in your browser.
Compress PNG Online
Shrink transparent PNG files while preserving 100% alpha clarity.
Compress for Discord
Shrink photos, art, and memes under Discord 8MB & 25MB limits.
Compress for WhatsApp
Send clear HD photos without WhatsApp compression blurring details.
PDF Tools
Merge PDF
Combine multiple PDF files into one single document in seconds.
Split PDF
Extract specific pages or separate a PDF into individual files.
Image to PDF
Convert JPG, PNG, and WebP images into a clean PDF document.
PDF to Image
Extract pages from a PDF as downloadable PNG or JPG images.
Protect PDF
Encrypt your PDF document with secure password protection.
Unlock PDF
Remove password security and restrictions from a PDF.
Add Watermark
Stamp custom text or logo watermark across all PDF pages.
Rotate PDF
Fix upside-down or sideways pages in any PDF document.
Delete PDF Pages
Visually select and remove blank or unwanted pages from a PDF.
Add Page Numbers
Insert customizable page numbers into the footer of any PDF.
Audio Studio Tools
Voice Recorder
Record microphone audio directly in browser with waveform & save as MP3.
Audio Trimmer
Cut out parts of a track or trim silence off the ends of audio with precision.
Audio Extractor
Upload a video file and rip the high quality MP3 audio track from it.
Volume Booster
Increase the decibel volume level of quiet audio recordings up to 300%.
Audio Speed Changer
Slow down or speed up audio tracks without changing pitch.
Format Converter
Convert WAV, OGG, M4A, and AAC files directly into MP3.