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

Live word and character counts with reading time.

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

Generate placeholder paragraphs, sentences, or word lists.

Spot every changed line between two texts.

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.

Put any list in A–Z or natural order.

Find the most used words and phrases in text.

Small caps, tiny and strikethrough 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.

Epoch seconds to dates and back.

Decode a JSON Web Token's claims.

Build a cron schedule visually.

Text to binary and hex, both directions.

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.

IPv4 CIDR, subnet mask, hosts and ranges.

Pretty print, minify and check XML.

Beautify or minify HTML code.

Format SQL queries for 14 dialects.

See your screen, viewport and pixel ratio.

Test every key and key rollover online.

Check your microphone with a live meter.

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.

Random letters, A to Z, or letter strings.

Spin a wheel to pick a fair winner.

Click speed test, left or right click.

Two-way HEX and RGB conversion with HSL.

Pick the exact HEX and RGB of any pixel.

Check WCAG contrast ratios between text and background colors.

Build a CSS gradient visually and copy the code.

Full-screen colors to find dead pixels.

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.

Turn PNG or WebP into JPG and more in your browser.

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.

Scan a QR code from an image or camera.

Check your camera, resolution and fps.

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

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 %.

See the score you need on the final exam.

Total hours between two clock times.

Countdown timer with presets, plus a lap stopwatch.

Count down to any future date and time.

Days between two dates, plus add or subtract days.

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.

Convert times across zones and plan meetings.

Pacific to Eastern time, with an hourly chart.

Central to Eastern time, with an hourly chart.

UTC to Eastern time, summer and winter.

London or GMT to Eastern time, with BST.

UTC to Pacific time, summer and winter.

US Eastern to India time, and back.

Convert binary and decimal, with steps.

Convert hex and decimal, with a 00-FF chart.

Pacific to Central time, with an hourly chart.

Mountain or Arizona to Eastern time.

Central European to Eastern time.

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.