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JAEN

From images and text to calculations and random picks.
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Popular tools

All tools

Image resizer

Change an image’s width and height in pixels or percentages.

Random wheel

Spin a wheel to pick one of your options at random.

Image compressor

Reduce image file sizes by adjusting quality.

Collage maker

Arrange multiple photos into one image.

Color palette extractor

Extract the main colors from an image and copy their color codes.

Team generator

Randomly divide members into teams of balanced sizes.

All tools

57 tools

Image resizer

Change an image’s width and height in pixels or percentages.

Image compressor

Reduce image file sizes by adjusting quality.

Image comparison

Compare two images with an interactive before-and-after slider.

Image converter

Convert images between PNG, JPEG and WebP.

Image splitter

Split an image into rows and columns, then download the pieces.

Collage maker

Arrange multiple photos into one image.

Color palette extractor

Extract the main colors from an image and copy their color codes.

Image cropper

Crop an image by choosing the position and dimensions.

Rotate and flip

Rotate images in 90-degree steps and flip them horizontally or vertically.

Image color effects

Apply grayscale, sepia or inverted colors and adjust brightness.

Image padding

Add a colored border outside an image without cropping it.

Open Graph checkerNEW

Check Open Graph image settings, titles and descriptions from a URL or pasted HTML.

Social image batch resizerNEW

Turn one image into YouTube, Open Graph, portrait and square sizes.

IP address lookup

View and copy the public IP address of your current connection.

Password generator

Generate a password with your choice of length and character types.

.htpasswd generator

Generate a bcrypt .htpasswd entry for Basic authentication in your browser.

Character counter

Count characters, lines and UTF-8 bytes as you type.

QR code generator

Turn a URL or text into a QR code and save it as PNG or SVG.

Aspect ratio calculator

Find an aspect ratio and calculate dimensions for a proportional resize.

JSON formatter

Format or minify JSON while preserving numbers and key order.

UUID generator

Generate up to 100 UUID v4 identifiers and copy them together.

Text cleanup

Trim line edges, collapse spaces and remove blank lines.

Text case and kana

Convert letter case, ASCII character width, or Japanese kana.

Sort and deduplicate lines

Sort lines naturally, in reverse or by length, and remove duplicates.

Find and replace

Replace every exact match in text and see the replacement count.

Text diff

Compare two texts line by line and highlight additions and removals.

Text chunker

Split text into character-limited chunks without breaking emoji.

Placeholder text

Generate Japanese or English sample copy for a layout.

Percentage calculator

Calculate percentages, percentage changes and discounted values.

Unit converter

Convert units of length, mass, temperature and data size.

Average and statistics

Find the mean, median, sum, minimum and maximum of a list of numbers.

Split a bill

Divide a total by the number of people and see the remainder or overpayment.

Paper size and pixels

Find pixel dimensions for A-series, JIS B-series or Letter paper at a chosen DPI.

Sheet layout calculator

Compare how many cards or labels fit on a sheet in either orientation.

Days between dates

Count days between two dates, optionally including the end date.

Unix timestamp converter

Convert seconds or milliseconds since the Unix epoch to dates and back.

Countdown timer

Count down from a duration with pause and resume controls.

Stopwatch

Measure elapsed time and record or copy laps.

Time budget planner

Allocate presentation or meeting time across weighted agenda items.

Weekday counter

Count weekdays and weekend days in a date range.

.htaccess generatorNEW

Create .htaccess rules for www URLs, HTTPS redirects and Basic authentication.

URL encoder

Encode or decode a URL component or an entire URL.

Base64 converter

Encode and decode UTF-8 text, including emoji, as Base64.

HTML escape

Escape HTML special characters or decode character references.

SHA hash generator

Generate a SHA-256, SHA-384 or SHA-512 hash of text.

CSV and JSON converter

Convert CSV with headers to a JSON array of objects and back.

Number base converter

Convert large integers between binary, octal, decimal and hexadecimal.

Clean share URLs

Remove known tracking parameters and review what changed before sharing.

Random wheel

Spin a wheel to pick one of your options at random.

Team generator

Randomly divide members into teams of balanced sizes.

Random number generator

Generate random whole numbers within a range you choose.

Dice roller

Roll 1–12 six-sided dice and see each value and the total.

Coin flip

Flip for heads or tails, with batch flips and a result history.

List shuffler

Put the items in your list into a random order.

Weighted picker

Give each option a weight to control its chance of being selected.

Round-robin schedule

Create rounds so every participant meets every other participant once.

Random emoji

Pick random emoji from faces, nature or food.