Free online tools for text, developers, images & more.

Live word, character, and sentence counts with reading time.

Switch between UPPER, lower, Title, Sentence, and camelCase.

Generate placeholder paragraphs, sentences, or word lists.

Compare two texts and see what changed, line by line.

Clean up lists by removing repeated lines.

Replace every occurrence of a word or pattern instantly.

Strip extra spaces, blank lines, and hidden formatting.

Translate text to Morse code and back.

Randomize the letters in words.

Click any symbol to copy it.

Sort lines A–Z, naturally, by number or length.

Find the most used words and phrases in text.

Validate and pretty-print JSON with error line detection.

Convert text to and from Base64 instantly.

Generate SHA-1, SHA-256, and SHA-512 hashes from text.

Generate one or many RFC-4122 v4 UUIDs.

Percent-encode or decode strings and full URLs.

Test regular expressions with live match highlighting.

Write Markdown and see the rendered result live.

Strip comments and whitespace to shrink CSS files.

Lightweight cleanup for smaller JS files.

Convert Unix epoch time to a date, and back.

Decode a JSON Web Token's claims.

Build a cron schedule visually.

Convert text to binary or hex, and back.

Convert CSV or spreadsheet rows into JSON.

Compare two JSON documents by path.

Turn CSV or spreadsheet cells into a Markdown table.

Convert JSON to CSV and flatten nested objects.

Convert YAML to JSON and JSON to YAML.

Convert px to rem and back, with a 16px chart.

Turn any text, link, or Wi-Fi detail into a downloadable QR code.

Create strong random passwords with custom rules.

Generate random numbers in any range, with or without repeats.

Flip a virtual coin, once or many times.

Pick random winners from a list of names.

Split a list of names into random teams or groups.

Convert instantly between HEX, RGB, and HSL with a live preview.

Click a pixel in a photo to get its hex/RGB value.

Check WCAG contrast ratios between text and background colors.

Build a CSS gradient visually and copy the code.

Shrink JPG and PNG file size with an adjustable quality slider.

Resize images to exact pixel dimensions or by percentage.

Convert an image into an embeddable Base64 data URI.

Stamp images with custom text watermarks.

Generate favicon sizes for your website from one image.

Convert between PNG, JPG, and WebP.

Convert iPhone photos to JPG.

Add classic top and bottom text to any image.

Turn a photo or logo into text art.

Find 16:9, 4:3 and custom ratios and sizes.

Cubic yards, tons and bags of gravel.

Cubic yards and bags of mulch for your beds.

Cubic yards and bags for slabs and footings.

Lumber volume and cost in board feet.

Length, weight, temperature, and volume — all in one tool.

Lumber volume and cost in board feet.

Record audio in your browser, no upload.

Turn a video clip into an animated GIF.

Convert MP4 and other videos to MP3.

Convert WAV files to small MP3s.

Convert between world currencies with live rates.

Find exact age in years, months, and days from any birth date.

Find a percentage, increase/decrease, or add/subtract %.

Calculate a weighted average grade.

Find elapsed time between two clock times.

Countdown timer with presets, plus a lap stopwatch.

Count down to any future date and time.

Add or subtract days from any date.

Convert centimeters to inches.

Convert kilograms to pounds.

Convert millimeters to inches.

Convert temperatures instantly.

Convert numbers and dates to Roman numerals.

Printable 1/64 chart and fraction converter.

Find your zodiac sign, element, and traits from your birth date.

Check element-based compatibility between two signs.

Calculate your numerology life path (destiny) number.

Check animal sign compatibility from two birth years.

See how long you've been together and your next milestone.

Compare Life Path Numbers between two birth dates.

Find the numerology number and meaning of a wedding date.