Online Tools, Converters and Calculators
A versatile collection of free online tools including image resizers and croppers, unit converters, calculators, color converters, and much more — all in one place
Image Resizer
Resize images while maintaining aspect ratio and choosing output format.
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Batch Image Resizer
Resize multiple images at once and download them as a ZIP archive.
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Image Cropper
Easily crop, flip, or rotate your images.
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Image to PDF Converter
Convert images to PDF file.
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PDF to Image Converter
Convert PDF files to images, extract images from PDF, or save both images and text.
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QR Code Generator
Generate custom QR codes with various styles, colors, and logos
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Image Format Converter
Convert images between SVG, PNG, JPG and WebP formats with quality and background options.
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Image Brightness & Contrast
Adjust brightness, contrast, highlights, shadows, and midtones of your images.
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Image Saturation & Hue
Adjust image color saturation and hue
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Image Sepia & Grayscale
Convert images to sepia tones or grayscale
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Image Color Inverter
Invert image colors and convert to grayscale
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Image Blur
Tool for blurring images.
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Image to 1-Bit Converter
Convert image to 1-bit pixel art.
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Unsharp Mask
Tool for sharpening images.
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Word Counter
Count words and characters in text.
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Extra Space Remover
Remove multiple (double) spaces from text.
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Line break remover
Remove unnecessary line breaks from text
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Tab to Spaces Converter
Replace tabs with spaces.
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Alphabetical order
Sort text or list alphabetically.
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Capitalize Sentences
Capitalize the first letter of each sentence or word.
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Lowercase and Uppercase Text
Convert text to lowercase or uppercase.
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Randomize List
Randomly arrange list elements or texts
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Remove Duplicated Lines
Remove duplicated lines from text
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HTML to Text Converter
Remove HTML tags and keep only the text.
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Text to HTML Converter
Convert plain text to HTML code.
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PDF to Text Converter
Extract text from PDF files and save it as plain text.
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Convert CSV to HTML Table
Convert CSV files to HTML tables with configurable separator and header option. Supports files with various character encodings.
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WCAG Color Contrast Checker
Check text and background color contrast according to WCAG 2.1 guidelines.
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Color Converter
Convert colors between RGB, HEX, HSL, HSV, and CMYK formats. Real-time color preview.
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Darken / Lighten Colors
Tool for adjusting color brightness and generating tints and shades.
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Image Color & Palette Picker
Choose a Color or Create a Palette from Your Image
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Change Color Saturation
Change color saturation - increase or decrease color intensity
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Invert Color
Invert colors - convert color to its opposite on the color wheel
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Pressure Unit Converter
Convert pressure units between different measurement systems
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Temperature Unit Converter
Convert temperature units between different scales
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Time Unit Converter
Convert time units between different measurement systems
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Frequency Converter
Convert frequency units between different measurement systems
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Length Unit Converter
Convert length units between different measurement systems
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Data Size Unit Converter
Convert data sizes fast between B, KB, MB, GB, TB and more.
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Angle Unit Converter
Convert angle units between different measurement systems
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Mass Unit Converter
Convert mass units between different measurement systems
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Power Unit Converter
Convert power units between different measurement systems
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Volume Unit Converter
Convert volume units between different measurement systems
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Area Unit Converter
Convert area units between different measurement systems
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Base64 Converter
Encode and decode text in Base64 format
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BMI Calculator
Calculate your Body Mass Index (BMI)
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Calorie Calculator
Calculate your daily caloric needs based on both Mifflin-St Jeor and Harris-Benedict formulas. The calculator takes into account your gender, age, weight, height, and physical activity level.
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Steps to Kilometers Calculator
Convert steps to kilometers.
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Pace Calculator
Pace calculator for calculating pace, time or distance with different unit options.
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Pace to Speed Calculator
Calculator for converting running pace to speed and vice versa with different unit options.
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Days Between Dates Calculator
Calculate the number of days between two dates.
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Add/Subtract Days Calculator
Add or subtract a specified number of days from a given date.
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Age Calculator
Calculate exact age from birth date
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Stopwatch
Professional stopwatch with lap time recording capabilities
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