59 tools · Free · No account · Runs in your browser
Free, fast and simple online tools. No account required.
Most used
Create QR codes instantly from any text or URL.
Create strong, random passwords in one click.
Used 4 times
Format, validate and minify JSON with clear error messages.
Calculate percentages, percentage change, discounts and more.
Generate random UUIDs (v4) or time-ordered UUIDs (v7).
Reduce image file size with adjustable quality, in your browser.
Used 5 times
Convert images between PNG, JPG and WebP in your browser.
Used 3 times
Change the size of images by pixels or percent.
Combine several PDF files into one document.
Extract pages or split a PDF into single pages.
Turn JPG, PNG and WebP images into one PDF.
Count words, sentences and paragraphs and estimate reading time.
Count characters with and without spaces, live while you type.
Change text to upper case, lower case, title case, camelCase and more.
Delete repeated lines from a list and keep the first of each.
Test regular expressions with live highlighting and capture groups.
Used 2 times
Encode text to Base64 or decode Base64 back to text.
Decode a JSON Web Token and read its header, payload and expiry.
Calculate MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes of text or files.
Convert Unix timestamps to dates and dates to timestamps.
Convert colors between HEX, RGB, HSL and HSV.
Convert CSV data into a JSON array.
Calculate net, VAT and gross amounts for any tax rate.
Calculate your body mass index and see your weight category.
Used 7 times
Find the days, weeks, months and years between two dates.
Add up your daily and weekly working hours including breaks.
Everything
Find your exact age in years, months and days.
Generate placeholder text by paragraphs, sentences or words.
Pick random numbers in any range, with or without repeats.
Crop images with a free or fixed aspect ratio.
Turn JPG images into lossless PNG files.
Shrink PNG images by converting them to WebP.
Convert WebP images to widely supported JPG files.
Convert an image to a Base64 string or data URL.
Create favicon.ico and all icon sizes from one image.
Rotate all or selected pages of a PDF.
Reverse text by characters, words or lines.
Sort lines alphabetically, by length or numerically, or shuffle them.
Turn any title into a clean, URL-friendly slug.
Write Markdown and see the rendered result live.
Compare two texts and see added and removed lines.
Percent-encode and decode URLs and query parameters.
Escape special characters as HTML entities or decode them back.
Minify CSS to reduce file size, or beautify it again.
Beautify messy HTML with clean indentation, or minify it.
Split a URL into protocol, host, path, query parameters and hash.
Check whether JSON is valid and find the exact error.
Remove all whitespace from JSON to make it as small as possible.
Convert a JSON array into CSV for spreadsheets.
Find the sale price and how much you save.
Solve proportions with the direct or inverse rule of three.
Calculate compound interest with optional monthly deposits.
Find out what an appliance costs to run per day, month and year.
Calculate the monthly payment, total interest and repayment plan of a loan.
Generate random colors and copy their HEX codes.
Generate random first and last names for characters, tests and more.
Generate catchy usernames for games, social media and accounts.
Roll dice from D4 to D100 or flip a coin.
Pick random emojis and copy them with one click.