Every tool on MultiTools Hub, organised by category.
Reduce JPG, PNG and WebP file size with an adjustable quality slider.
Resize an image to exact width and height in pixels, with optional aspect lock.
Crop an image by dragging a selection box, then download the result.
Convert JPG / JPEG images to lossless PNG format in one click.
Convert PNG images to compressed JPG with a white background.
Convert JPG images to modern, smaller WebP format.
Convert PNG images to WebP and keep transparency.
Convert WebP images back to widely supported JPG.
Convert WebP images to PNG with transparency support.
Encode any image into a Base64 data URI for use in HTML or CSS.
Decode a Base64 / data URI string back into a downloadable image.
Rotate images by 90, 180 or 270 degrees or any custom angle.
Flip an image horizontally or vertically (mirror effect).
Turn a colour photo into a clean black-and-white grayscale image.
Create a colour-inverted negative version of any image.
Apply a warm vintage sepia tone to your photos.
Apply an adjustable Gaussian blur to an image.
Adjust the brightness and contrast of a photo with live sliders.
Add custom text watermark with position and opacity controls.
Crop an image into a perfect circle with transparent corners.
Add smooth rounded corners to an image with adjustable radius.
Add a solid colour border / frame of any thickness around an image.
Pixelate or censor part of an image with an adjustable block size.
Generate 16, 32, 48 and 64 px favicons from any image.
Pick any pixel colour from an image and get its HEX and RGB code.
Extract the dominant colour palette from any uploaded image.
Add classic top and bottom text to an image to create a meme.
Combine one or many images into a single PDF document.
Resize a photo to common passport / visa sizes like 35x45 mm.
Turn a photo into a pencil-sketch style line drawing.
Add adjustable film grain / noise texture to an image.
Add a soft dark vignette around the edges of a photo.
Convert an image to pure black and white using a threshold slider.
Make an image semi-transparent and export as PNG.
Calculate the average colour of an image as HEX and RGB.
Convert an image into text-based ASCII art.
Combine multiple PDF files into one, in the order you choose.
Split a PDF into separate pages or extract a page range.
Reduce PDF size by re-rendering pages at lower quality.
Rotate all pages of a PDF by 90, 180 or 270 degrees.
Remove selected pages from a PDF document.
Keep only the pages you select and download a new PDF.
Reverse the page order of a PDF document.
Convert and merge multiple JPG / PNG images into one PDF.
Convert each PDF page into a high quality PNG image.
Extract all selectable text from a PDF into plain text.
Stamp page numbers onto every page of a PDF.
Add a diagonal text watermark across every PDF page.
View page count, title, author and other PDF metadata.
Duplicate the whole PDF a chosen number of times.
Turn plain text or notes into a clean, downloadable PDF.
Count words, characters, sentences and paragraphs in real time.
Count characters with and without spaces for limits and bios.
Convert text to UPPER, lower, Title or Sentence case.
Reverse text by characters, words or lines.
Strip extra, leading and trailing spaces from text.
Delete line breaks to make text a single block.
Find and replace all occurrences of a word or phrase.
Generate placeholder Lorem Ipsum paragraphs, sentences or words.
Turn a title into a clean URL-friendly slug.
Delete duplicate lines and keep only unique ones.
Sort lines alphabetically (A-Z, Z-A) or by length.
Repeat a word or phrase any number of times.
Reverse the order of words in each line.
Convert text into binary (0s and 1s) code.
Decode binary code back into readable text.
Translate text to Morse code and back.
Convert a number into words (e.g. 1234 to one thousand…).
Convert between metres, feet, inches, miles, km and more.
Convert kg, grams, pounds, ounces, tonnes and more.
Convert between Celsius, Fahrenheit and Kelvin.
Convert square metres, acres, hectares, sq ft and more.
Convert litres, millilitres, gallons, cups and more.
Convert km/h, mph, m/s, knots and more.
Convert seconds, minutes, hours, days and weeks.
Convert bytes, KB, MB, GB and TB.
Convert numbers between binary, octal, decimal and hex.
Convert numbers to Roman numerals and back.
Convert pascal, bar, psi, atm and more.
Convert joules, calories, kWh and more.
Convert degrees, radians and gradians.
Convert cups, tablespoons, teaspoons, ml and grams.
Calculate exact age in years, months and days from a birth date.
Calculate your Body Mass Index and category.
Work out percentages, increases and decreases easily.
Calculate sale price and savings from a discount percentage.
Calculate monthly loan EMI, total interest and payment.
Add or remove GST and see the tax breakdown.
Calculate simple interest and the total amount.
Calculate compound interest with flexible frequency.
Calculate tip amount and split the bill between people.
Find the average, sum, min and max of a list of numbers.
Calculate the number of days between two dates.
Calculate profit, margin and markup from cost and price.
Find selling price from cost and a markup percentage.
Calculate missing width or height for a target aspect ratio.
Generate strong random passwords with custom rules.
Generate random numbers within any range.
Generate v4 UUIDs / GUIDs for your projects.
Create downloadable QR codes for links, text and Wi-Fi.
Encode text to Base64 or decode it back instantly.
Encode or decode URLs and query parameters safely.
Convert special characters to HTML entities and back.
Beautify, indent and validate messy JSON.
Minify JSON by removing whitespace.
Compress CSS code by removing spaces and comments.
Minify HTML markup to reduce page size.
Convert colours between HEX, RGB and HSL.
Create CSS linear gradients and copy the code.
Generate SHA-1, SHA-256 and SHA-512 hashes from text.
Convert CSV data into a JSON array of objects.
Convert a JSON array into downloadable CSV.
Convert Markdown into HTML and preview it live.
Read any text aloud using your browser's voices.