All Tools
Browse our complete collection of 229 free online tools.
Image Tools
(40 tools)600×240 Image Converter
Resize images to 600×240 pixels online for free
1080×608 Image Converter
Resize images to 1080×608 pixels instantly
1500×1000 Image Converter
Free online image resizer for 1500×1000 dimensions
40×40 Image Converter
Resize images to 40×40 pixels online
Resize Image to 1MB
Free image compressor to reduce file size to 1MB
Resize Image to 100KB
Online image compressor for 100KB file size
HEIC to JPG Converter
Convert iPhone HEIC images to JPG format online
PNG to WebP Converter
Compress images by converting PNG to WebP format
WebP to PNG Converter
Convert WebP images to PNG format
AVIF to JPG Converter
Convert AVIF images to JPG format easily
Image Opacity Adjuster
Adjust transparency and opacity of images
Image Saturation Tool
Enhance or reduce color saturation in images
GIF Compressor
Reduce Animated GIF File Size Online
SVG Compressor
Reduce SVG File Size for Web Optimization
72 DPI Converter
Change Image Resolution to 72 DPI
100 DPI Converter
Convert Image Resolution to 100 DPI
150 DPI Converter
Quick 150 DPI Resolution Changer
200 DPI Converter
High-Quality 200 DPI Image Converter
300 DPI Converter
Change Image DPI for High-Quality Printing
600 DPI Converter
Professional 600 DPI Resolution Tool
BMP Converter
Fast & Free BMP Image Conversion
DDS to JPG Converter
Convert DirectDraw Surface to JPG
DDS to PNG Converter
Change DDS to Transparent PNG
ICO Converter
Create Custom Icons from Any Image
JFIF to JPG Converter
Change JFIF Format to Standard JPG
JFIF to PNG Converter
Convert JFIF to High-Quality PNG
JXL to JPG Converter
Convert JPEG XL Images to JPG
JXL to PNG Converter
Convert JPEG XL to PNG Online
PSD to JPG Converter
Save Photoshop PSD as JPG Online
PSD to PNG Converter
Convert PSD to PNG with Transparency
RAW Converter
Convert Digital Camera RAW Files Online
TGA to JPG Converter
Change TGA Files to JPG Format
TGA to PNG Converter
Convert Targa (TGA) to PNG
TIFF Converter
High-Quality TIFF Image Conversion
XCF to JPG Converter
Convert GIMP XCF Files to JPG
XCF to PNG Converter
Convert XCF to PNG Online
Crop GIF Online
Easy Animated GIF Cropping Tool
Crop JPG Online
Precise JPG Image Cropping
Crop PNG Online
Free Tool to Crop PNG Images
Blur Image
Add blur effect to images online
Math & Science
(40 tools)Degrees to Radians Converter
Convert angle measurements between degrees and radians
Midpoint Calculator
Calculate the midpoint between two coordinate points
Percent Error Calculator
Calculate percent error in scientific measurements
Linear Regression Calculator
Calculate linear regression line for data points
FOIL Calculator
Expand binomial expressions using FOIL method
Five Number Summary
Calculate min, Q1, median, Q3, and max of data
Unit Vector Calculator
Calculate unit vector from a given vector
Gaussian Elimination Solver
Solve systems of linear equations using Gaussian elimination
Null Space Calculator
Find null space of a matrix
Euler's Method Solver
Numerical approximation using Euler's method
Gradient Calculator
Calculate gradient of a function at a point
Coterminal Angle Calculator
Find coterminal angles for any given angle
Pythagorean Theorem Solver
Find missing side of right triangle
Prime Number Checker
Check if number is prime
Distance Formula Calculator
Calculate distance between two points
Quadratic Equation Solver
Find roots of quadratic equations instantly
Fibonacci Calculator
Generate Fibonacci sequence to any term
GCD and LCM Calculator
Find greatest common divisor and least common multiple
Factorial Calculator
Calculate factorial of any number
Standard Deviation Calculator
Calculate mean, variance, and standard deviation
Correlation Calculator
Calculate correlation coefficient between datasets
Matrix Multiplication
Multiply two matrices instantly
Hexadecimal Converter
Convert between hex, decimal, and binary
Roman Numeral Converter
Convert between Arabic and Roman numerals
Mean Calculator
Calculate arithmetic mean of numbers
Median Calculator
Find the median value of datasets
Mode Calculator
Calculate the mode of a dataset
Range Calculator
Calculate range of numbers
Variance Calculator
Calculate variance of dataset
Permutation Calculator
Calculate permutations
Combination Calculator
Calculate combinations
Logarithm Calculator
Calculate logarithm values
Exponential Calculator
Calculate exponential values
Trigonometry Calculator
Calculate sine, cosine, tangent
Modulo Calculator
Calculate modulo remainder operation
Power Calculator
Calculate powers and exponents
Square Root Calculator
Calculate square root of numbers
Cube Root Calculator
Calculate cube root of numbers
Absolute Value Calculator
Calculate absolute value
Rounding Calculator
Round numbers to nearest value
Audio & Media
(40 tools)Audio WAV to M4A Converter
Convert WAV audio files to M4A format online
YouTube to MP3 Converter
Download YouTube audio as MP3 online
MP4 to MP3 Converter
Extract audio from MP4 videos as MP3
Podcast Volume Normalizer
Normalize audio levels for consistent volume
Ringtone Maker
Create custom ringtones from audio files
Audio Fade In/Out
Add fade in and fade out effects to audio
MP3 to WAV Converter
Convert MP3 to WAV format
WAV to MP3 Converter
Convert WAV to MP3 format
FLAC to MP3 Converter
Convert FLAC to MP3 format
OGG to MP3 Converter
Convert OGG to MP3 format
AAC to MP3 Converter
Convert AAC to MP3 format
M4A to MP3 Converter
Convert M4A to MP3 format
WMA to MP3 Converter
Convert WMA to MP3 format
OPUS to MP3 Converter
Convert OPUS to MP3 format
Audio Cutter
Cut and trim audio files
Audio Merger
Merge multiple audio files
Audio Splitter
Split audio into parts
Audio Reverb Effect
Add reverb effect to audio
Audio Echo Effect
Add echo effect to audio
Audio Volume Adjuster
Adjust audio volume levels
Audio Speed Changer
Change playback speed of audio
Audio Pitch Changer
Change pitch of audio
Audio Equalizer
Adjust audio frequencies
Audio Compressor
Compress audio dynamic range
Audio Bitrate Converter
Convert audio bitrate
Audio Sample Rate Converter
Convert audio sample rate
Audio Stereo to Mono
Convert stereo audio to mono
Audio Mono to Stereo
Convert mono audio to stereo
Audio Metadata Editor
Edit audio metadata and tags
Audio Silence Remover
Remove silence from audio
Audio Noise Remover
Remove background noise
Audio Distortion Effect
Add distortion effect to audio
Audio Delay Effect
Add delay effect to audio
Audio Chorus Effect
Add chorus effect to audio
Audio Flanger Effect
Add flanger effect to audio
Audio Phaser Effect
Add phaser effect to audio
Audio Tremolo Effect
Add tremolo effect to audio
Audio Vibrato Effect
Add vibrato effect to audio
Audio Waveform Viewer
View audio waveform visually
Audio Frequency Analyzer
Analyze audio frequencies
Health & Lifestyle
(40 tools)VO2 Max Calculator
Calculate maximum oxygen uptake capacity
Dog Age Calculator
Convert dog age to human years accurately
Chronological Age Calculator
Calculate exact age in years, months, and days
ETG Alcohol Calculator
Calculate ethyl glucuronide breakdown time
Coast FIRE Calculator
Calculate coast to financial independence
Roth IRA Calculator
Retirement growth estimator
Peptide Calculator
Calculate peptide dosage and mixing
Snow Day Calculator
Predict snow day likelihood
BMI Calculator
Calculate your body mass index
Ideal Weight Calculator
Calculate ideal body weight range
TDEE Calculator
Total daily energy expenditure calculator
Age Calculator
Calculate exact age in years, months, days
Character Counter
Count and analyze text characters
Pace Calculator
Calculate running, cycling, or swimming pace
Caffeine Half-Life Calculator
Track caffeine levels in your system
Water Weight Loss Calculator
Estimate water weight changes
Glucose Management Tool
Track and manage blood glucose levels
Medication Reminder
Schedule and track medication doses
Vitamin D Calculator
Calculate vitamin D synthesis from sun exposure
Sleep Debt Calculator
Calculate accumulated sleep debt
Macros Calculator
Calculate macronutrient needs
Calorie Burn Calculator
Estimate calories burned during activities
Water Intake Calculator
Calculate daily water intake recommendation
Protein Intake Calculator
Calculate daily protein requirement
Heart Rate Calculator
Calculate target heart rate zones
Body Fat Calculator
Estimate body fat percentage
Cholesterol Ratio Calculator
Calculate cholesterol ratio
Blood Pressure Chart
Understand blood pressure readings
Sleep Calculator
Determine optimal sleep duration
Ovulation Calculator
Predict ovulation and fertility window
Pregnancy Calculator
Calculate pregnancy week and due date
Menopause Calculator
Estimate menopause age
Metabolism Calculator
Calculate resting metabolic rate
Cycle Calculator
Track menstrual cycle
Workout Time Calculator
Calculate workout duration and intervals
Weight Goal Calculator
Calculate weight loss goals
Fitness Level Calculator
Assess your fitness level
Stress Level Calculator
Assess your stress level
Energy Level Calculator
Calculate your energy level
Hydration Calculator
Calculate optimal hydration level
Utility Tools
(39 tools)Nether Portal Calculator
Calculate portal coordinates for Minecraft
GPU Bottleneck Calculator
Check if GPU bottlenecks your CPU
CPM Calculator
Calculate cost per thousand impressions
AP US History Score Calculator
Convert raw scores to AP exam scores
Fantasy Trade Analyzer
Analyze fantasy sports trade value
Conduit Fill Calculator
Calculate electrical conduit fill percentage
Tree Removal Cost Calculator
Estimate tree removal expenses
Board Feet Calculator
Calculate lumber board feet measurement
Circle Skirt Calculator
Calculate circle skirt radius for sewing
Asphalt Calculator
Estimate asphalt quantity for paving
Loan Calculator
Calculate monthly payments and total interest
Mortgage Calculator
Estimate mortgage payments and costs
Tip Calculator
Calculate tips and split bills
Unit Converter
Convert between various units of measurement
Temperature Converter
Convert between Celsius, Fahrenheit, Kelvin
Currency Converter
Real-time currency exchange rates
Discount Calculator
Calculate discounts and sale prices
Markup Calculator
Calculate product markup percentages
Sales Tax Calculator
Calculate sales tax and total
Hex Color Converter
Convert between hex, RGB, and HSL colors
Percentage Calculator
Calculate percentages easily
Compound Interest Calculator
Calculate compound interest earnings
JSON Formatter
Format and validate JSON code
Invoice Generator
Create professional invoices instantly
Receipt Scanner Simulator
Extract data from receipt images
Loan Amortization Calculator
Generate detailed amortization schedules
Expense Splitter
Split expenses equally among friends
VAT Calculator
Calculate VAT/GST on purchases
Budget Planner
Create and manage monthly budgets
Debt Payoff Calculator
Plan your debt elimination strategy
Crypto Price Checker
Check current cryptocurrency prices
Compress PDF Online
Reduce PDF File Size for Free
Delete PDF Pages
Remove Specific Pages from PDF Online
Speed Calculator
Calculate speed from distance and time
Weight Converter
Convert between different weight units
Volume Converter
Convert between volume units
Energy Converter
Convert between energy units
Density Calculator
Calculate density from mass and volume
Pressure Converter
Convert between pressure units
PDF Tools
(8 tools)PDF to Text Extractor
Extract text from PDF files instantly
PDF Merger
Merge multiple PDF files into one
PDF Page Extractor
Extract specific pages from PDF documents
PDF Watermark
Add custom watermarks to your PDFs
PDF Page Counter
Count pages in PDF files
PDF Rotator
Rotate PDF pages 90, 180, or 270 degrees
PDF Image Extractor
Extract all images from PDF documents
PDF Size Reducer
Compress PDF files to reduce file size
Social Media Tools
(8 tools)Caption Spacer
Add line breaks to social media captions
Hashtag Generator
Generate relevant hashtags for your posts
Bio Generator
Create engaging social media bios
Character Counter
Count characters with platform-specific limits
Instagram Caption Formatter
Format captions with emojis and spacing for Instagram
Twitter Thread Builder
Create numbered tweet threads easily
TikTok Description Optimizer
Optimize descriptions with trending elements for TikTok
LinkedIn Post Optimizer
Format posts for professional engagement on LinkedIn
Writing Tools
(7 tools)Word Counter
Count words, sentences, and paragraphs
Readability Analyzer
Check text readability and grade level
Text Case Converter
Convert text between different cases
Sentence Expander
Expand sentences with more detail
Text Statistics
Analyze text with detailed statistics
Duplicate Word Finder
Find and highlight duplicate words
Paraphrase Tool
Rewrite text with synonym replacement
SEO Tools
(7 tools)Keyword Density Checker
Analyze keyword frequency in your content
JSON-LD Schema Generator
Generate structured data for SEO
Meta Tag Generator
Generate optimized meta tags for SEO
SEO Content Analyzer
Analyze HTML for SEO elements
Heading Structure Analyzer
Validate heading hierarchy for SEO
Keyword Researcher
Generate keyword variations and suggestions
Backlink Analyzer
Extract and categorize internal/external links