All tools

Generate EAN, UPC and Code 128 barcodes ready to print.

Generate UUID v4 and v7 identifiers in bulk.

Placeholder text by paragraphs, sentences or words.

Convert iPhone HEIC photos to JPG without uploading them.

Convert JPG images to lossless PNG.

Turn WebP images into widely compatible JPG files.

Resize images by pixels or percentage.

Crop images freely or to common aspect ratios.

Encode images as Base64 data URIs.

Create favicon ICO files from any image.

Turn PDF pages into JPG images.

Turn PDF pages into high-quality PNG images.

Combine JPG and PNG images into a single PDF.

Combine several PDF files into one, in any order.

Extract pages or split a PDF into several files.

Export Excel sheets to CSV.

Convert CSV rows into JSON objects.

Flatten JSON arrays into CSV.

Turn latitude/longitude CSV into GeoJSON points.

Convert JSON to YAML and back.

Convert JSON to compact TOON for LLM prompts.

Encode and decode Base64 text instantly.

Convert between Unix timestamps and dates.

Preview and inspect SVG code safely.

Decode JSON Web Tokens and inspect their claims.

Percent-encode and decode URLs and query strings.

Compute SHA-256, SHA-1 and other hashes.

Test regular expressions with live highlighting.

Build and explain cron schedules.

Count characters with and without spaces.

Switch text between UPPER, lower, Title and more.

Delete repeated lines from any list.

Sort lines alphabetically, numerically or randomly.

Compare two texts and highlight the differences.

Solve direct and inverse proportions.

A simple, fast calculator for everyday math.

Find an exact age in years, months and days.

Count the days between two dates.

See the final price after a discount.

Calculate mean, median and mode.

Pick fair winners for your giveaways and contests.

Pick one or more names from a list at random.

Draw winners from a list of entries.

Run a raffle with numbered tickets.

Spin a wheel of names or options.

Split a list of people into balanced teams.

Flip a virtual coin: heads or tails.

Roll one or more dice of any kind.