Online Tools, Converters and Calculators

Resize images while maintaining aspect ratio and choosing output format.

Resize multiple images at once and download them as a ZIP archive.

Easily crop, flip, or rotate your images.

Convert images to PDF file.

Convert PDF files to images, extract images from PDF, or save both images and text.

Generate custom QR codes with various styles, colors, and logos

Convert images between SVG, PNG, JPG and WebP formats with quality and background options.

Adjust brightness, contrast, highlights, shadows, and midtones of your images.

Adjust image color saturation and hue

Convert images to sepia tones or grayscale

Invert image colors and convert to grayscale

Tool for blurring images.

Convert image to 1-bit pixel art.

Tool for sharpening images.

Gradient Map is a tool that allows you to map grayscale luminance to colors.

Add vignette effect to image.

Add noise to image with intensity control.

Image Splitter with a dedicated mode for Instagram carousel or grid splitting.

Create pixelation effect on images.

Merge images with blend mode selection.

Free online generator that turns a photo into spiral, line or dot art with SVG export..

Combine multiple images horizontally, vertically or in a grid.

Count words and characters in text.

Remove multiple (double) spaces from text.

Remove unnecessary line breaks from text

Replace tabs with spaces.

Sort text or list alphabetically.

Capitalize the first letter of each sentence or word.

Convert text to lowercase or uppercase.

Randomly arrange list elements or texts

Remove duplicated lines from text

Remove HTML tags and keep only the text.

Convert plain text to HTML code.

Extract text from PDF files and save it as plain text.

Convert CSV files to HTML tables with configurable separator and header option. Supports files with various character encodings.

Rich text notebook with local file save.

Check text and background color contrast according to WCAG 2.1 guidelines.

Convert colors between RGB, HEX, HSL, HSV, and CMYK formats. Real-time color preview.

Tool for adjusting color brightness and generating tints and shades.

Choose a Color or Create a Palette from Your Image

Change color saturation - increase or decrease color intensity

Invert colors - convert color to its opposite on the color wheel

Create beautiful CSS gradients

Convert pressure units between different measurement systems

Convert temperature units between different scales

Convert time units between different measurement systems

Convert frequency units between different measurement systems

Convert length units between different measurement systems

Convert data sizes fast between B, KB, MB, GB, TB and more.

Convert angle units between different measurement systems

Convert mass units between different measurement systems

Convert power units between different measurement systems

Convert volume units between different measurement systems

Convert area units between different measurement systems

Encode and decode text in Base64 format

Encode and decode URL addresses.

Calculate your Body Mass Index (BMI)

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.

Convert steps to kilometers.

Pace calculator for calculating pace, time or distance with different unit options.

Calculator for converting running pace to speed and vice versa with different unit options.

Calculate the number of days between two dates.

Add or subtract a specified number of days from a given date.

Calculate exact age from birth date

Professional stopwatch with lap time recording capabilities