Smart Tools. Simple Answers.
Simple tools for everyday life
Resize a photo for a form, merge PDFs, make a payment QR or check your EMI. Free, fast and private, with nothing to install.
Free foreverNo sign-upNothing uploaded
What do you want to do today?
- NewResize a photo for a formImage Resizer
- TrendingMake my photo background whiteWhite Background Photo
- HotEdit or sign a PDFEdit PDF
- NewMake a PDF smallerCompress PDF
- TrendingGet paid with a UPI QRUPI QR Code Generator
- TrendingFind my in-hand salarySalary Calculator
- HotTurn photos into a PDFJPG to PDF
- NewMerge PDF filesMerge PDF
Tools
19 free
Everyday jobs done in your browser: photos, PDFs, QR codes, UPI payments, text, passwords, unit conversion and astrology.
Calculators
20 free
Work out money, salary, study and health numbers, with the formula and a worked example on every page.
Trending now
HotNew tools and the ones people are using most this season.
- JPG to PDFHotTurn photos and scans into one PDF, one image per page. A4, Letter or image size, with margins and rotation.
- Edit PDFHotAdd text, white out mistakes, highlight, and sign PDFs. Fill forms and fix typos without any software.
- QR Code GeneratorHotFree QR codes for links, text, Wi-Fi, phone numbers and email. Custom colours, PNG and SVG download.
- EMI CalculatorHotMonthly instalment, total interest and a full repayment schedule for any loan.
- White Background PhotoTrendingChange your photo background to white (or light blue) for passport, ID and exam forms. AI runs on your device.
- UPI QR Code GeneratorTrendingUPI payment QR with a fixed amount, so the payer scans and pays exactly what you set. Works with GPay, PhonePe and Paytm.
Everyday tools
Quick jobs you would otherwise need an app for.
Length Converter
cm to feet and inches, km to miles, metres to feet and more, in every unit at once.Convert in ConvertersPassword Generator
Strong random passwords generated privately in your browser.Open tool in ToolsWord Counter
Words, characters and reading time, in English or Hindi, with Instagram, X, LinkedIn and SMS limits.Open tool in ToolsKundli Match Calculator
TrendingTraditional Ashtakoota (36-point) Kundli matching for two people, with a full breakdown and Manglik dosha check.Open tool in AstrologyJanam Kundli
NewYour free birth chart with Kundli Phal: career, business, education, money and marriage readings, plus your dasha periods.Open tool in AstrologyMerge PDF
NewCombine several PDFs into one file in the order you choose. Private: files never leave your device.Open tool in Tools
Popular calculators
The numbers people check most often.
EMI Calculator
HotMonthly instalment, total interest and a full repayment schedule for any loan.Calculate in FinanceSIP Calculator
Future value of a monthly SIP, with optional yearly step-up.Calculate in FinanceGST Calculator
Add or remove GST and split it into CGST, SGST or IGST.Calculate in FinanceSalary Calculator
TrendingCTC to monthly in-hand salary after PF, professional tax and income tax.Calculate in SalaryPercentage Calculator
X% of a number, what percent one number is of another, and percentage change or difference.Calculate in MathAge Calculator
Exact age in years, months and days, plus your next birthday.Calculate in Date & Time
Why people use CALQEVA
Done in seconds
Open a tool and use it. No sign-up, no app to install, no pop-ups asking for your email. Every tool is built to work well on a phone.
Private by design
Your photos, UPI ID, passwords and numbers are processed by your own browser. Nothing you add is uploaded, stored or linked to you.
Clear, not clever
Plain words, sensible defaults and a short explanation on every page, so you know what the result means and can trust it.
Always free, always growing
New tools are added regularly. Tax slabs, rates and limits used by the calculators are updated when the rules change.
From the blog
All articles →- Photos & forms
How to reduce a photo to 20 KB or 50 KB for online forms
Why exam and job portals reject photos, what '20–50 KB, 200 × 230 px' actually means, and how to hit the exact size on your phone in a minute.2 min read - Photos & forms
How to make a passport size photo with a white background at home
Take a passport-style photo with your phone, change the background to white and crop it to 35 × 45 mm (413 × 531 px), without a studio.2 min read - PDF & documents
How to reduce PDF size for upload: under 1 MB, 500 KB or 200 KB
Why your PDF is too large for the portal, which compression level to use, and three fixes for when a scanned PDF still will not go under the limit.2 min read - PDF & documents
How to sign a PDF on your phone without printing
Add your signature to an offer letter, agreement or form on your phone, fill in blanks, correct a date, and know when an image signature is not enough.2 min read
Common questions
What is CALQEVA?
CALQEVA is a free collection of simple tools for daily life: resize a photo for a form, make a QR code or UPI payment QR, convert units, generate a password, and calculate things like EMI, salary, GST and age. Everything works in your browser.
Is everything free?
Yes. Every tool and calculator is free, with no sign-up, no watermark, no usage limit and no paid tier. The site is supported by advertising.
Are my photos and details uploaded?
No. Photos are resized, QR codes are drawn and calculations are done by your own browser. Nothing you add is sent to our servers, saved or shared. If you copy a result link, the values travel only in the link you choose to share.
Does it work on my phone?
Yes. Every page is designed for phones first. You can pick photos from your gallery, and downloaded images and QR codes save like any other picture.
How often are new tools added?
Regularly. New tools are marked with a New label and appear in the Trending now section at the top of this page.
Make everyday tasks easy
19 tools and 20 calculators, all free, all private, all in one place.