Doia Tools Collection
Discover our collection of free, powerful tools designed to help you with crypto, finance, development, and more.
Popular Tools
Image Compressor
Compress images heavily client-side without losing quality.
QR Code Generator
Create custom QR codes for links, text, and contacts.
Secure Password Gen
Generate highly secure, random passwords locally.
Compound Interest
Visualize your investment growth over time.
Crypto Zakat Calc
Calculate precise Zakat for your crypto holdings.
Average Down Calc
Find your new average cost when buying the dip.
Impermanent Loss
Calculate potential impermanent loss for liquidity pools.
Crypto Profit/Loss
Calculate exact profit or loss including exchange fees.
Gas Fee Estimator
Live gas fee estimations for ETH, BSC, and Polygon.
APY & Staking
Calculate your annual yield and compound interest.
Market Cap Target
See coin price at a specific target market cap.
Satoshi Converter
Convert Satoshi to USD and other major fiat currencies.
Crypto Tax Calc
Estimate taxes on your cryptocurrency capital gains.
DCA Calculator
Calculate Dollar Cost Averaging returns over time.
Leverage Liquidation
Find the exact liquidation price for leveraged trades.
Fiat to Crypto
Live converter for local fiat currencies to Crypto.
Arbitrage Calc
Calculate potential profit from exchange price differences.
ETH Unit Converter
Easily convert between Wei, Gwei, and Ether.
BTC Halving Timer
Countdown and stats for the next Bitcoin halving.
Forex Pip Value
Calculate the exact value of a pip for any forex pair.
Position Size Calc
Calculate ideal trade size based on risk percentage.
Forex Margin Calc
Find out exactly how much margin is required for a trade.
Crypto ROI Calc
Calculate Return on Investment for your crypto assets.
Coin Flip Predictor
A fun randomizer for 50/50 trading decisions.
Freelance Hourly Rate
Calculate the perfect hourly rate for your services.
Loan Amortization
Generate a month-by-month loan repayment schedule.
Compound Interest
Visualize your investment growth over time.
Margin & Markup
Calculate product selling prices and profit margins.
PayPal Fee Calc
Calculate exact sending and receiving fees globally.
Stripe Fee Calc
Calculate Stripe processing fees for your transactions.
Salary After Tax
Estimate your net salary after regional income taxes.
Discount & Sales Tax
Calculate final prices after discounts and sales taxes.
Investment ROI
Calculate the exact return on your business investments.
Savings Goal Calc
Find out how much to save monthly to reach a goal.
Tip Calculator
Quickly calculate restaurant tips and split bills.
Fiat Currency Conv
Live exchange rates for 150+ global fiat currencies.
Inflation Calculator
Calculate how inflation affects your purchasing power.
Present Value Calc
Find the current worth of a future sum of money.
Future Value Calc
Calculate the future value of your current cash flow.
Break-Even Point
Calculate when your business will start making a profit.
Debt Payoff Calc
Plan the fastest way to pay off your credit cards/loans.
SIP Calculator
Calculate returns on Systematic Investment Plans.
Net Worth Calc
Track your true financial health (Assets vs Liabilities).
E-commerce CBM
Calculate Cubic Meter volume for global shipping.
Secure Password Gen
Generate highly secure, random passwords locally.
Age Calculator
Calculate exact age in years, months, days, and hours.
Days Between Dates
Find the exact number of days between two calendar dates.
Word & Char Counter
Count words, characters, and reading time instantly.
JSON Formatter
Format, validate, and beautify your JSON code.
HEX/RGB Converter
Convert color codes between HEX, RGB, and HSL.
Base64 Encoder
Encode or decode text and data to Base64 format.
QR Code Generator
Create custom QR codes for links, text, and contacts.
BMI Calculator
Calculate your Body Mass Index and health status.
Random Number Gen
Generate secure random numbers with custom ranges.
Timezone Converter
Easily convert time across global timezones.
Online Stopwatch
A simple, precise stopwatch and countdown timer.
URL Encoder/Decoder
Safely encode or decode URLs for web development.
Markdown to HTML
Convert Markdown text into clean HTML code instantly.
Lorem Ipsum Gen
Generate placeholder text for your design projects.
Pomodoro Timer
Boost productivity with the 25-minute focus technique.
Percentage Calc
Easily calculate complex percentage increases/decreases.
Unix Epoch Time
Convert Unix timestamps to human-readable dates.
Regex Tester
Test and debug Regular Expressions in real-time.
Basic Text to Speech
Convert written text into spoken audio instantly.
YT Thumbnail Grabber
Download high-quality thumbnails from any YouTube video.
YT Money Calculator
Estimate YouTube earnings based on views and RPM.
YT Tag Extractor
Extract SEO tags and keywords from any YouTube video.
YT Title Generator
Generate catchy, click-worthy titles for your videos.
YT Region Restriction
Check if a YouTube video is blocked in specific countries.
YT Channel Audit
Analyze basic stats and engagement of a YouTube channel.
YT Timestamp Link
Generate a YouTube link that starts at a specific time.
YT Embed Code Gen
Create responsive iframe embed codes for YouTube.
YT Description Gen
Generate SEO-optimized descriptions for your videos.
YT Channel Name Gen
Brainstorm unique names for your new YouTube channel.
YT Video Idea Gen
Get AI-powered video ideas for your specific niche.
YT Shorts Calc
Estimate earnings specifically for YouTube Shorts.
YT Live Sub Count
Track YouTube channel subscribers in real-time.
YT Video Info
Extract metadata, duration, and stats from a video URL.
YT Comment Picker
Randomly select a winner from YouTube video comments.
YT Sponsor Rate
Calculate how much to charge sponsors for integration.
YT A/B Test Calc
Calculate statistical significance for thumbnail testing.
YT CPM/RPM Calc
Calculate your true RPM based on revenue and views.
YT Watch Time Calc
Calculate how many views needed to reach 4000 hours.
YT SEO Checker
Check if your video follows YouTube SEO best practices.
Image Compressor
Compress images heavily client-side without losing quality.
Aspect Ratio Calc
Calculate precise dimensions for videos and images.
Format Converter
Convert images between PNG, JPG, and WEBP formats.
Video Size Estimator
Estimate output file size based on bitrate and duration.
Color Palette Gen
Generate beautiful UI color palettes from a single hex code.
SVG Optimizer
Clean and minify SVG code for faster web loading.
Image to Base64
Convert images to Base64 strings for direct HTML embedding.
Audio Bitrate Calc
Calculate the optimal file size for audio files.
Image Resizer
Resize images to exact pixel dimensions instantly.
Image Cropper
Crop images perfectly for social media profiles.
WEBP to PNG
Easily convert modern WEBP images back to PNG.
PNG to JPG
Convert transparent PNGs to optimized JPGs.
Video to Audio Info
Extract audio metadata from video files.
GIF Maker
Create simple animated GIFs from a sequence of images.
Color Contrast Check
Ensure your text and background colors are accessible.
Image Watermark
Add custom text watermarks to your photos.
EXIF Data Viewer
Read hidden metadata (camera, location) from photos.
FPS Calculator
Calculate total frames based on video duration and FPS.
Screen Resolution
Test and find your exact device screen resolution.
CSS Gradient Gen
Create beautiful CSS background gradients with code.