All Tools Directory
Browse our complete collection of over 100 free, accurate, and privacy-focused online tools. Instant results, beautiful design, no signup required.
Calculators
Age Calculator
Precise age in years, months, weeks, and days
Tip Calculator
Calculate tips and split bills with friends
GPA Calculator
Weighted and unweighted GPA with unlimited courses
BMI Calculator
Body Mass Index with health category insights
401(k) Calculator
Estimate retirement savings, contributions, employer match, and future 401(k) growth
Auto Loan Calculator
Estimate car payments, loan interest, and total vehicle cost
Calorie Calculator
Body Mass Index with health category insights
Loan Calculator
EMI, interest, and amortization schedules
Markup Calculator
Calculate markup percentage and selling price
Mortgage Calculator
Calculate monthly mortgage payments, total interest, amortization schedule, and affordability. Includes taxes, insurance, PMI, and extra payments.
Percentage Calculator
All common percentage calculations in one place
Retirement Calculator
Plan savings needed for comfortable retirement
Life Expectancy Calculator
Estimate lifespan based on lifestyle factors
Converters
Unit Converter
Length, weight, volume, temperature, speed & more
CM to Inch Converter
Instant cm β inches conversion
GPA to percentage
convert your Grade Point Average to percentage in single click
Currency Converter
Live rates for 150+ currencies
Time Zone Converter
Live world clock & meeting planner
Unix Timestamp Converter
Convert Unix timestamps, epoch time & dates instantly
Text to Emoji Text
Convert plain text to emoji-style letters
Emoji to art
Convert emoji to beautiful art free
WEBM to MP4 Converter
Convert WEBM videos to MP4 online
Image Tools
PNG to JPG Converter
Lossless PNG to JPG conversion
PNG to SVG Converter
Raster to vector conversion
Image Uploader
Quick image hosting and sharing
Image Compressor
Reduce file size while preserving quality
Image to PDF Converter
Multiple images to single PDF
Color Picker
Extract colors from images or hex/RGB
Text Tools
Generators
Flag Generator
Design custom national flags
QR Code Generator
Custom QR codes with logo and colors
Favicon Generator
Create website favicons from images, text, or emoji
Random Name Picker
Pick random names instantly for games, giveaways, teams, and more
Lorem Ipsum Generator
Generate and copy placeholder text for your designs and projects
Strong Password Generator
Secure random passwords with options
Free Invoice Generator
Professional invoices with logo & taxes
Video & Media Tools
3D Comparison Video Creator
Make engaging 3D comparison videos
Create Sliding Image Comparison Video
Make engaging Image comparison videos
Comparison video maker
Make data visual comparison sliding videos
Create military comparison video
Select two country and create military Power comparison video free
Visualize CSV to Image
Import CSV to create comparison bars image
Developer Tools
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Frequently Asked Questions
How many tools does NovaBuildr have?
Over 100 constantly growing free tools across multiple categories.
Are the tools completely free?
Yes β no limits, no signup, no ads, unlimited use forever.
Is my data private?
Absolutely. All processing happens in your browser β nothing is stored or transmitted.
Do the tools work on mobile?
Fully responsive and optimized for phones, tablets, and desktops.
Can I suggest a new tool?
We welcome ideas! Contact us with tool suggestions.