Free Online Tools
A comprehensive collection of free tools for developers, designers, and everyone. No installation required.
Base64 Encode/Decode
Encode and decode Base64 strings
ConvertersURL Encode/Decode
Encode and decode URL components
ConvertersJSON to YAML
Convert between JSON and YAML formats
ConvertersNumber Base Converter
Convert between binary, octal, decimal, and hex
ConvertersUnit Converter
Convert between various units of measurement
ConvertersTimestamp Converter
Convert Unix timestamps to human-readable dates
ConvertersHTML Entities
Encode and decode HTML entities
ConvertersMarkdown to HTML
Convert Markdown text to HTML
ConvertersStandard Calculator
Basic arithmetic operations
CalculatorsScientific Calculator
Advanced mathematical functions
CalculatorsLoan Calculator
Calculate monthly payments and interest
CalculatorsBMI Calculator
Calculate your Body Mass Index
CalculatorsAge Calculator
Calculate exact age from birth date
CalculatorsPassword Strength
Check and analyze password security
CalculatorsImage Compress
Compress images without losing quality
Image ToolsImage Format Convert
Convert images between PNG, JPG, WebP, and more
Image ToolsImage to Base64
Convert images to Base64 and vice versa
Image ToolsCrop & Rotate
Crop and rotate images online
Image ToolsImage Filters
Apply filters and effects to images
Image ToolsScreenshot Tool
Capture and annotate screenshots
Image ToolsColor Picker
Pick colors from images
Image ToolsImage Resize
Resize images to any dimension
Image ToolsUUID Generator
Generate unique UUIDs (v1, v4, v5)
GeneratorsNanoID Generator
Generate short, unique, URL-friendly IDs
GeneratorsQR Code Generator
Generate QR codes from text or URLs
GeneratorsPassword Generator
Generate secure random passwords
GeneratorsLorem Ipsum
Generate placeholder text for designs
GeneratorsRandom Number
Generate random numbers with custom range
GeneratorsBarcode Generator
Generate various barcode formats
GeneratorsFake Data Generator
Generate realistic fake data for testing
GeneratorsJSON Formatter
Format, validate, and minify JSON
FormattersJSON Visualizer
Visualize JSON data as interactive tree
FormattersSQL Formatter
Format and beautify SQL queries
FormattersCode Formatter
Format code in multiple languages
FormattersXML Formatter
Format and validate XML documents
FormattersCSV Viewer
View and edit CSV files online
FormattersCode Compare
Compare two pieces of code side by side
FormattersText Diff
Find differences between two texts
FormattersHash Generator
Generate MD5, SHA-1, SHA-256, SHA-512 hashes
EncryptionBase64 Encrypt
Encrypt and decrypt data with Base64
EncryptionAES Encrypt/Decrypt
Encrypt and decrypt with AES algorithm
EncryptionRSA Encrypt/Decrypt
Encrypt and decrypt with RSA algorithm
EncryptionURL Signature
Generate and verify URL signatures
EncryptionHMAC Calculator
Calculate HMAC signatures for data verification
EncryptionBasic Charts
Create bar, line, and pie charts
ChartsAdvanced Charts
Create complex chart types with custom options
ChartsFlowchart
Design flowcharts and process diagrams
ChartsMind Map
Create and organize mind maps
ChartsGantt Chart
Create project timelines and Gantt charts
ChartsWord Cloud
Generate word clouds from text
ChartsRelation Graph
Visualize relationships and connections
ChartsDashboard
Create interactive dashboards with gauges
ChartsTree Map
Visualize hierarchical data as tree maps
ChartsScatter Plot
Create scatter plots for data analysis
ChartsArea Chart
Create area charts to show trends
ChartsReal-time Chart
Create live updating charts
ChartsRegex Tester
Test and debug regular expressions
TestingCSS Gradient
Design CSS gradients visually
TestingColor Picker
Pick and convert colors between formats
TestingPerformance Test
Test and benchmark JavaScript performance
Testing