Every tool you need,
free & in your browser

Resize images to exact pixel dimensions or by percentage. Keep aspect ratio, choose output format and download instantly.

Compress JPG, PNG and WebP images to reduce file size with an adjustable quality slider and live before/after preview.

Crop images online with a draggable, resizable selection box. Supports free-form cropping and fixed aspect ratios.

Convert images between JPG, PNG, WebP and BMP formats in your browser. Batch convert multiple images at once.

Convert JPG images to PNG format online for free. Fast, private, in-browser conversion with batch support.

Convert PNG images to JPG format with an adjustable quality and background color for transparent areas.

Convert WebP images to JPG format online. Free, fast and private - conversion happens in your browser.

Convert WebP images to PNG format while preserving transparency. Runs entirely in your browser.

Convert JPG images to modern WebP format to save bandwidth. Adjustable quality, in-browser conversion.

Convert PNG images to WebP format with transparency support and adjustable quality.

Rotate images by 90, 180, 270 degrees or any custom angle. Preview the result and download instantly.

Flip images horizontally or vertically to create mirror effects. Free online tool, no upload required.

Convert images to grayscale (black and white) online with an adjustable intensity slider.

Invert the colors of an image to create a negative effect. Instant preview, free download.

Pixelate an entire image or hide sensitive details with an adjustable pixel block size.

Apply an adjustable blur effect to your images. Great for backgrounds and hiding details.

Adjust image brightness, contrast and saturation with live preview sliders. Free online photo adjustment.

Add rounded corners to images or make fully circular avatars. Transparent PNG output.

Pick colors from any image. Click to get HEX, RGB and HSL values plus a palette of picked colors.

Convert images to Base64 strings for embedding in HTML, CSS or JSON. Copy data URI with one click.

Decode a Base64 string back into a viewable, downloadable image. Supports data URIs and raw Base64.

Add text watermarks to images. Control font, size, color, opacity, rotation and position.

Apply Instagram-style filters to photos: sepia, vintage, cold, warm, dramatic and more.

Make a color transparent in your image. Click a color to remove it with adjustable tolerance.

Cut and trim videos online. Select start and end points and export the clip without installing software.

Convert a video clip into an animated GIF. Choose the time range, size and frame rate.

Capture still frames from a video as PNG or JPG images. Grab a single frame or a series.

Remove the audio track from a video directly in your browser and download the silent version.

Speed up or slow down a video (0.25x to 4x) and export the result. Runs locally in your browser.

Extract the audio track from a video file and save it as an audio file, right in your browser.

Resize and scale down a video to a new resolution in your browser and export the result.

Rotate a video by 90, 180 or 270 degrees and export the corrected version, all client-side.

Record your screen, a window or a browser tab with optional microphone audio. No install, no upload.

Record video from your webcam with audio and download it instantly. Nothing is uploaded.

Inspect a video file's duration, resolution, aspect ratio, file size and estimated bitrate.

Combine multiple files into a ZIP archive in your browser. Free, private, no upload.

Open a ZIP archive, browse its contents and extract individual files or everything at once.

Calculate MD5, SHA-1, SHA-256 and SHA-512 checksums of any file to verify its integrity.

Encode any file to a Base64 string or data URI. Copy the result or download it as text.

Decode a Base64 string back into a downloadable file. Set the file name and type.

Combine multiple text files into one. Reorder files, choose a separator and download the result.

Split a large text file into smaller parts by line count or number of parts.

Convert CSV data to JSON online. Auto-detects delimiters, supports headers, copy or download the result.

Convert a JSON array to CSV format. Flattens objects, choose delimiter, copy or download the result.

Open and view CSV files as a clean, sortable, searchable table in your browser.

Combine JPG and PNG images into a single PDF document. Reorder pages, pick page size, no upload.

Combine multiple PDF files into one document in your browser. Private - files never leave your device.

Extract pages or page ranges from a PDF into new files, all client-side.

Inspect a file's name, size, MIME type, extension and last-modified date. Detects true type by signature.

Find duplicate files by comparing content hashes. Select files and see which ones are identical.

Pick any color and get its HEX, RGB, HSL, HWB and CMYK values with a live preview and shades.

Convert colors between HEX, RGB, HSL, HWB and CMYK formats. Paste any format, get all the others.

Convert HEX color codes to RGB values instantly, with a live color preview and CSS output.

Convert RGB color values to HEX codes instantly, with sliders and a live color preview.

Check color contrast ratios against WCAG AA and AAA accessibility standards for text and backgrounds.

Generate beautiful color palettes. Lock colors you like and regenerate the rest. Export as CSS or JSON.

Create linear and radial CSS gradients visually. Add color stops, set the angle and copy the CSS.

Mix two colors together and see the resulting blend at any ratio, with a step-by-step gradient.

Lighten any color by a chosen percentage and get the resulting tints with HEX and RGB codes.

Darken any color by a chosen percentage and get the resulting shades with HEX and RGB codes.

Generate tints and shades of any color, from near-white to near-black, with copyable HEX codes.

Find the complementary (opposite) color of any color on the color wheel, with HEX and RGB codes.

Generate analogous, triadic, tetradic, split-complementary and monochromatic color schemes from a base color.

Generate random colors with one click. Get HEX, RGB and HSL codes and build a random palette.

Browse and search all 148 named CSS colors with previews, HEX and RGB values.

Extract the dominant colors and full palette from any image. Copy HEX codes with one click.

See how your images and colors look to people with protanopia, deuteranopia, tritanopia and more.

Calculate the exact time between two dates in years, months, weeks and days.

Calculate your exact age in years, months and days from your date of birth, plus days until your next birthday.

Add or subtract days, weeks, months or years from any date and see the resulting date.

A simple online countdown timer with alarm. Set hours, minutes and seconds and start counting down.

A precise online stopwatch with lap times. Start, pause, resume and record laps.

Convert Unix timestamps to human-readable dates and back. Supports seconds and milliseconds.

Find the ISO week number of today or any date, and see the full week calendar of the year.

Find out what day of the week any date falls on - past, present or future.

Count business days between two dates, excluding weekends and optional custom holidays.

Convert times between time zones around the world. Compare multiple cities at once.

See the current time in major cities around the world, updated live every second.

Calculate the duration between two times of day - great for timesheets and work hours.

Check whether any year is a leap year and see the list of upcoming leap years.

Count down the days until any future date - birthdays, holidays, deadlines and events.

Add and subtract time durations (hours, minutes, seconds) with a running total.

Calculate percentages: X% of Y, what percent X is of Y, and percentage increase or decrease.

Add, subtract, multiply and divide fractions with step-by-step simplified results.

Reduce fractions to their simplest form, with the GCD and mixed-number representation shown.

Solve quadratic equations ax² + bx + c = 0 with real and complex roots, discriminant and steps.

Find the greatest common divisor (GCD/HCF) of two or more numbers with the Euclidean algorithm.

Find the least common multiple (LCM) of two or more numbers instantly.

Check if a number is prime and see the nearest primes and divisors if it is not.

Break any number down into its prime factors, shown in exponent form.

Calculate the factorial (n!) of any number, with exact big-integer results for large n.

A free online scientific calculator with trigonometry, logarithms, powers, roots and memory.

Calculate mean, median, mode, range, variance and standard deviation from a list of numbers.

Calculate the average (mean) of a list of numbers, plus sum, count, min and max.

Calculate nCr and nPr - the number of combinations and permutations of n items taken r at a time.

Calculate logarithms with any base: log base 10, natural log (ln), log base 2 or custom.

Calculate powers and exponents (x^y) including negative and fractional exponents.

Calculate square roots, cube roots and nth roots of any number.

Simplify ratios and solve proportions: find the missing value in A:B = C:D.

Find the missing side of a right triangle using the Pythagorean theorem, with steps.

Calculate a circle's area, circumference, diameter or radius from any one known value.

Calculate the slope, distance, midpoint and line equation from two points.

Calculate the area of common shapes: rectangle, triangle, circle, trapezoid, ellipse and more.

Convert binary numbers to decimal instantly, with the place-value breakdown shown.

Convert decimal numbers to binary instantly, with the division steps shown.

Convert hexadecimal numbers to decimal instantly, with the digit breakdown shown.

Convert decimal numbers to hexadecimal instantly and copy the result.

Convert numbers between any bases from 2 to 36: binary, octal, decimal, hex and beyond.

Convert numbers to Roman numerals and Roman numerals back to numbers (1 to 3,999,999).

Spell out any number in English words - great for checks and legal documents.

Round numbers to any decimal place, significant figures, or the nearest ten, hundred or thousand.

Convert numbers to and from scientific notation and E notation.

Sort a list of numbers in ascending or descending order, with duplicates removed if you want.

Calculate the sum of digits of a number, including the repeated (iterated) digit sum.

Convert numbers to ordinals (1 → 1st, 2 → 2nd) and spell them out in words.

Convert any fraction to a decimal, with repeating decimals detected and shown.

Convert decimals to simplified fractions, including repeating decimals.

Format, validate and beautify JSON with syntax highlighting and clear error messages.

Minify JSON by removing all unnecessary whitespace. Validates your JSON and shows size savings.

Encode text to Base64 and decode Base64 back to text, with full Unicode support.

Percent-encode text for URLs and decode URL-encoded strings, with component and full-URI modes.

Escape special characters into HTML entities and decode entities back to plain text.

Decode JSON Web Tokens to inspect the header and payload. Runs locally, tokens never leave your browser.

Test regular expressions against sample text with live match highlighting and capture groups.

Write Markdown and see the rendered HTML preview live. Copy or download the generated HTML.

Generate random version 4 UUIDs (GUIDs), one or in bulk, with uppercase and no-dash options.

Minify CSS by stripping comments and whitespace. See the size savings instantly.

Safely compress JavaScript by removing comments and extra whitespace while preserving strings.

Minify HTML by collapsing whitespace and removing comments, preserving pre and textarea content.

Format and beautify SQL queries with keyword capitalization and smart indentation.

Parse cron expressions into plain English and see the next scheduled run times.

Convert text to binary code and binary back to text, with hex and octal options.

Convert text to ASCII / Unicode code points and back. See character codes in decimal and hex.

A searchable reference of all HTTP status codes with plain-English explanations.

Count words, characters, sentences and paragraphs, with reading and speaking time estimates.

Count characters with and without spaces in real time, with limits for tweets, SMS and meta tags.

Convert text between UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case and more.

Delete duplicate lines from a list, with case-sensitive and trim options. See how many were removed.

Sort a list alphabetically, numerically, by length, reversed or randomly. Handles any separator.

Reverse the characters in your text - flip words, sentences or whole paragraphs backwards.

Reverse the order of words in a sentence while keeping each word intact.

Find and replace text online with case-sensitivity, whole-word and regex options.

Remove line breaks from text, joining lines with spaces or nothing, with paragraph preservation.

Delete blank and whitespace-only lines from your text in one click.

Clean up text by collapsing repeated spaces and trimming each line.

Add text to the beginning or end of every line - great for wrapping lists in quotes or commas.

Number each line of your text with a custom starting number, step and separator.

Compare two texts and see the differences highlighted line by line.

Extract all email addresses from any text, de-duplicated and ready to copy.

Extract all links and URLs from any text or HTML, de-duplicated and ready to copy.

Pull all numbers out of any text, with options for decimals and negatives, plus their sum.

Count how many times each word appears in your text, ranked by frequency.

Split text by any delimiter - comma, space, tab or custom - into separate lines or items.

Join multiple lines into a single line with a custom separator like a comma or space.

Turn any title into a clean URL slug: lowercase, hyphenated and free of special characters.

Repeat any text a chosen number of times, with optional separators between repetitions.

Generate placeholder Lorem Ipsum text: choose paragraphs, sentences or words.

Flip your text upside down using Unicode characters - fun for social media posts.

Generate random numbers in any range, with options for multiple numbers and no repeats.

Roll virtual dice: d4, d6, d8, d10, d12, d20 or custom, one or many at a time.

Flip a virtual coin - heads or tails - with an animated flip and running statistics.

Paste a list and let the tool randomly pick one or more winners. Fair and instant.

Split a list of names into random teams or groups of any size.

Generate random strings with custom length and character sets: letters, digits, symbols.

Generate random letters from A to Z, with options for case, count and repeats.

Generate random dates between any two dates, one or many at once.

Generate lottery numbers for Powerball, Mega Millions, EuroMillions or a custom format.

Randomly shuffle the lines of a list using a fair Fisher-Yates shuffle.

Generate random English words: nouns, verbs, adjectives or any mix, one or many at a time.

Get an instant random yes or no answer to your question - a virtual decision maker.

Add your options to a colorful wheel and spin it to pick a random winner.

Convert between meters, feet, inches, kilometers, miles, yards and more length units.

Convert between kilograms, pounds, ounces, grams, stones and more weight units.

Convert between Celsius, Fahrenheit and Kelvin with formulas shown.

Convert between square meters, square feet, acres, hectares and more area units.

Convert between liters, gallons, cups, milliliters, cubic meters and more volume units.

Convert between km/h, mph, m/s, knots and more speed units.

Convert between bytes, KB, MB, GB, TB and their binary (KiB, MiB) counterparts.

Convert between pascals, bar, PSI, atmospheres, torr and more pressure units.

Convert between joules, calories, kilowatt-hours, BTU and more energy units.

Convert between watts, kilowatts, horsepower and more power units.

Convert between degrees, radians, gradians and turns.

Convert between MPG (US and UK), L/100km and km/L fuel consumption units.

Convert between milliseconds, seconds, minutes, hours, days, weeks and years.

Convert cooking measurements: cups, tablespoons, teaspoons, milliliters, fluid ounces and grams.

Generate strong, random passwords with custom length and character options. Cryptographically secure.

Check how strong your password is and how long it would take to crack. Runs 100% locally.

Generate the MD5 hash of any text instantly in your browser.

Generate the SHA-256 hash of any text instantly in your browser.

Generate MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes of any text at once.

Generate HMAC signatures with a secret key using SHA-256, SHA-1 or SHA-512.

Encrypt and decrypt text with a password using AES-256-GCM, entirely in your browser.

Encode and decode text with the Caesar cipher - shift letters by any amount, or brute-force all shifts.

Encode and decode ROT13 text instantly. ROT13 is its own inverse - paste and convert.

Translate text to Morse code and Morse code back to text, with audio playback.

Encrypt and decrypt text with the classic Vigenère keyword cipher.

Create QR codes for URLs, text, Wi-Fi and more. Customize size and colors, download as PNG.

Scan QR codes with your camera or from an uploaded image, right in your browser.

Generate SEO meta tags, Open Graph and Twitter Card tags with a live search-result preview.

Build campaign URLs with UTM parameters for Google Analytics tracking.

Turn any image into favicons: 16x16 to 512x512 PNGs plus a multi-size ICO file.

See your public IP address instantly, plus your browser's local network information.

See and parse your browser's user agent string - browser, version, OS and device type.

Check your screen resolution, viewport size, pixel density and color depth live.

See what your browser reveals: version, OS, language, cookies, screen and supported features.

Break any URL into its parts: protocol, host, path, and a decoded table of query parameters.

Generate a robots.txt file with allow/disallow rules, crawl delay and sitemap directives.

Paste HTML code and see it rendered live in a safe sandboxed preview.

Test every key on your keyboard with a live on-screen keyboard that lights up as you type.