Cygnatrix Tools
A free product built by our team: 38 PDF, image and finance tools at tools.cygnatrix.com. No account needed, and files are processed on your own device.
Private by design
PDF and image tools run in your browser using WebAssembly and the Canvas API. Your files are not uploaded to our servers.
Free, no sign-up
No account, no watermark and no daily limit. The tools are supported by advertising.
Formulas shown
Calculators use standard formulas and explain the result. They are estimates, not financial advice.
PDF Tools
Merge, split, compress, convert and edit PDF files. Files are processed in your browser and never uploaded.
Merge PDF
Combine several PDFs into one file, in the order you choose.
Split PDF
Extract a page range or split a PDF into separate files.
Compress PDF
Shrink a PDF so it fits email and upload size limits.
PDF to Word
Turn a PDF into an editable Word document.
PDF to JPG
Save each PDF page as a JPG image.
Image to PDF
Turn photos or scans into a single PDF.
Rotate PDF
Fix sideways or upside-down pages.
Organize PDF
Reorder, remove or duplicate pages.
Protect PDF
Add a password to a PDF.
Edit PDF
Add text, shapes and annotations to a PDF.
Document Scanner
Turn phone photos of documents into clean PDFs.
Crop PDF
Trim margins or crop pages to a region.
Aadhaar / Ayushman PVC Card
Lay out an e-Aadhaar or Ayushman card for PVC-size printing.
Finance Calculators
Loan, investment, tax and salary calculators built on standard formulas, with the working shown.
EMI Calculator
Monthly EMI, total interest and repayment schedule.
Loan Calculator
Compare loan amounts, rates and tenures.
Home Loan Prepayment Calculator
See how much interest a prepayment saves.
SIP Calculator
Future value of a monthly SIP.
Step-up SIP Calculator
SIP that increases every year.
SWP Calculator
Plan regular withdrawals from an investment.
FD Calculator
Fixed deposit maturity and interest.
RD Calculator
Recurring deposit maturity value.
CAGR Calculator
Compound annual growth rate between two values.
GST Calculator
Add or remove GST from a price.
Income Tax Calculator
Estimate tax under the old and new regimes.
Salary Calculator
CTC to in-hand monthly salary.
HRA Exemption Calculator
Work out the exempt part of your HRA.
Gratuity Calculator
Gratuity payable on leaving a job.
Capital Gains Calculator
Gains and tax on selling an asset.
Image Tools
Compress, resize and convert images, and prepare photos for exam and ID forms — privately in your browser.
Image Compressor
Reduce image size while keeping the quality you choose.
Compress to Exact Size
Hit a target file size in KB.
Image Resizer
Resize by pixels or percentage.
JPG to PNG
Convert JPG photos to PNG.
PNG to JPG
Convert PNG images to smaller JPGs.
WebP Converter
Convert to and from WebP.
HEIC to JPG
Open iPhone photos anywhere by converting to JPG.
Exam Photo & Signature Resizer
Resize photo and signature to exam form rules.
Passport Photo Maker
Crop and size a passport photo.
ID Card Photo
Prepare photos for ID cards.
Compress an image to a fixed size: 20 KB · 50 KB · 100 KB · 200 KB · 500 KB · 1 MB
Guides that go with the tools
- Small Business Website Checklist: 20 Things to Get Right Before Launch
- How EMI Is Calculated: The Formula, a Worked Example and What Changes It
- Home Loan Prepayment: Should You Reduce the EMI or the Tenure?
- SIP vs Lump Sum: Which Is Better and When?
- FD vs RD: How Fixed and Recurring Deposits Work and Which to Choose
- What Is CAGR? How to Calculate and Use It (With Examples)
- How to Calculate GST: Inclusive vs Exclusive Prices, CGST, SGST and IGST
- How to Compress a PDF Without Making It Unreadable
- How to Resize Your Photo and Signature for Exam and Job Application Forms
- JPG vs PNG vs WebP: Which Image Format Should You Use?
- How to Merge, Split and Reorder PDF Pages (Without Uploading Your Files)
Found a bug or want a new tool? Email support@cygnatrix.com.