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Discover our collection of 65 free, private, and instant tools.
Time & Date
10 toolsAdd/Subtract Days Calculator
Add or subtract days from any date to calculate future or past dates. Perfect for deadlines, planning, and date arithmetic.
Age Calculator
Calculate your exact age in years, months, and days.
Countdown Timer
Online countdown timer with alarm and visual progress.
Date Difference Calculator
Calculate the exact number of days, weeks, months, and years between two dates.
Days Until Calculator
Count down to any event, deadline, or special occasion. Real-time countdown with weeks, days, hours breakdown.
Online Stopwatch
A precise digital stopwatch with lap timing. Measures accurate time down to milliseconds.
Pomodoro Timer
Stay focused and productive with the Pomodoro Technique. Work in 25-minute sprints followed by short breaks.
Time Difference Calculator
Calculate the exact hours, minutes, and seconds between two dates and times. Perfect for measuring durations and elapsed time.
Time Zone Converter
Convert times between different time zones instantly. Perfect for scheduling international meetings and coordinating across continents.
Unix Timestamp Converter
Convert between Unix timestamps and human-readable dates instantly. Epoch time converter with multiple format outputs.
Converters
34 toolsAngle Converter
Convert between degrees, radians, gradians, and more angle units.
Area Converter
Convert between square meters, square feet, acres, hectares, and more area units instantly. Free online area calculator.
CSV to JSON Converter
Convert CSV data to JSON format instantly with custom delimiters and parsing options.
Data Transfer Rate Converter
Convert between Mbps, Gbps, MB/s, and more data transfer units.
Energy Converter
Convert between joules, calories, kWh, BTU, and more energy units.
Excel to CSV Converter
Convert Excel spreadsheets (.xlsx, .xls) to CSV format instantly. Free, secure, and works offline with sheet selection support.
File Size Converter
Convert between bytes, KB, MB, GB, TB, and binary units (KiB, MiB, GiB).
Frequency Converter
Convert between Hz, kHz, MHz, GHz, and RPM frequency units.
Fuel Economy Converter
Convert between MPG, L/100km, and km/L fuel economy units.
HEIC to JPG Converter
Convert iPhone HEIC photos to JPG format instantly. Free online converter with adjustable quality. 100% private - all conversions happen in your browser.
Image Compressor
Compress images to reduce file size while maintaining quality. Free online image compressor for JPG, PNG, and WEBP. Fast, private, and no upload required.
Image Resizer
Resize images instantly in your browser. Adjust dimensions, scale by percentage, or use presets. No upload required - 100% private and free.
JPG to PDF Converter
Convert JPG and JPEG images to PDF format instantly with custom page sizes.
JPG to PNG Converter
Convert JPG and JPEG images to PNG format instantly. Free online converter with no file size limits. 100% private - all conversions happen in your browser.
JPG to WebP Converter
Convert JPG photos to WebP format. Reduce file sizes by up to 50% while maintaining excellent quality.
JSON to CSV Converter
Convert JSON data to CSV format instantly with custom delimiters and headers.
Length Converter
Convert between metric and imperial length units instantly. Meters, feet, inches, kilometers, miles, centimeters, and more.
PDF Compress - Reduce PDF File Size Online
Compress PDF files to reduce size while maintaining quality. Free online PDF compressor with high quality, balanced, and maximum compression options.
PDF Merge - Combine Multiple PDFs
Merge multiple PDF files into one document instantly. Free online PDF merger with unlimited files. 100% private.
PDF Split - Extract & Divide PDF Pages
Split PDF files by page ranges, extract specific pages, or divide into individual files. Free online PDF splitter. 100% private.
PNG to JPG Converter
Convert PNG images to JPG format instantly. Reduce file size, adjust quality, and ensure universal compatibility. 100% private - all conversions happen in your browser.
PNG to PDF Converter
Convert PNG images to PDF format instantly with transparency support and custom page sizes.
PNG to WebP Converter
Convert PNG images to WebP format for superior compression. Reduce file sizes by 25-35% while maintaining quality. Free, fast, and 100% private.
Power Converter
Convert between watts, kilowatts, horsepower, and BTU/h.
Pressure Converter
Convert between PSI, bar, pascals, atmospheres, and more pressure units.
Roman Numeral Converter
Convert between Arabic numbers and Roman numerals (I, V, X, L, C, D, M).
Speed Converter
Convert between km/h, mph, m/s, knots, and more speed units instantly. Free online speed calculator.
SVG to PNG Converter
Convert SVG files to PNG images with custom dimensions. Set width, height, scale, and maintain aspect ratio. 100% client-side.
Temperature Converter
Convert between Celsius (°C), Fahrenheit (°F), and Kelvin (K) instantly.
Time Duration Converter
Convert between seconds, minutes, hours, days, weeks, and more time units.
Volume Converter
Convert between liters, gallons, cups, milliliters, and more volume units instantly. Free online volume calculator for cooking and science.
WebP to JPG Converter
Convert WebP images to JPG format with adjustable quality. Free online converter for photos and graphics. 100% private - all conversions happen in your browser.
WebP to PNG Converter
Convert WebP images to PNG format instantly. Free online converter with lossless quality. 100% private - all conversions happen in your browser.
Weight Converter
Convert between kg, lbs, g, and oz instantly with bidirectional inputs.
Math Calculators
2 toolsFinance & Money
1 toolsHealth & Fitness
1 toolsText Tools
4 toolsCase Converter
Convert text between uppercase, lowercase, Title Case, camelCase, snake_case and more instantly.
Markdown to HTML Converter
Convert Markdown syntax to clean HTML code with real-time preview.
Text Compare & Merge
Compare two texts side-by-side with word-level diff highlighting. Spot every insertion, deletion and modification instantly. Merge changes with accept/reject controls.
Word Counter
Free online word counter and character counter. Check reading time, sentence count, and paragraphs instantly.
Developer Tools
9 toolsBase Converter
Convert numbers between Binary, Octal, Decimal, and Hexadecimal.
Base64 Encoder/Decoder
Encode and decode Base64 strings instantly. Perfect for API authentication, data URIs, and email attachments.
Base64 to Image Viewer
View images from Base64 strings instantly. Paste any Base64 or data URI to preview, inspect metadata, and download. Also encodes images to Base64.
Color Picker & Converter
Pick colors and convert between HEX, RGB, and HSL formats instantly. Visual color picker for designers and developers.
Hash Generator (MD5, SHA)
Generate cryptographic hashes instantly. Supports MD5, SHA-1, SHA-256, and SHA-512 for data integrity and verification.
JSON Formatter & Validator
Format, validate, and minify JSON data instantly. Perfect for API responses, config files, and debugging.
Regex Tester & Debugger
Test and debug regular expressions online. Live highlighting, match details, capture groups, and all regex flags supported.
URL Encoder/Decoder
Encode and decode URLs and query strings. Convert special characters to percent-encoded format for safe web transmission.
UUID Generator
Generate random UUIDs (v4) instantly. Create unique identifiers for databases, APIs, and distributed systems.
Generators
4 toolsBarcode Generator
Generate professional barcodes instantly. Support for CODE128, EAN-13, UPC-A, and more. Free online barcode maker.
Lorem Ipsum Generator
Generate placeholder text for your designs and mockups.
Password Generator
Generate strong, random passwords instantly. Customize length and characters for maximum security.
QR Code Generator
Generate QR codes from text, URLs, or any data. Download as PNG with adjustable size.