English tools
Free tools that never upload your files.
Every tool below processes files inside your own browser. Pick a task and run it right away.
- Merge PDF Files & Convert Images to PDF
Merge multiple PDF files into one or turn JPG and PNG images into a PDF document, free, right in your browser. Files never leave your device.
- Split PDF Pages
Split every page of a PDF into a separate file and download them in one ZIP, free in your browser. Files stay on your device.
- Rotate PDF Pages
Rotate all pages in a PDF by 90, 180, or 270 degrees and download a new file, free in your browser. Files are not uploaded.
- Convert PDF to JPG & PNG Images
Render each PDF page as a high-quality JPG or PNG image and download them one by one or as a ZIP, free, with no upload.
- Add a PDF Watermark
Add a text watermark to the center of every PDF page, customize its color, opacity, size, and angle, then download a new PDF. Files stay in your browser.
- Reorder or Delete PDF Pages
Reorder PDF pages or remove selected pages by entering page numbers and ranges, then download a new PDF. Files are processed in your browser.
- Create and Extract ZIP Files
Create a ZIP from up to 100 files or extract files from an unencrypted ZIP, free in your browser. Files are not uploaded.
- CSV and Excel Converter
Convert CSV text to an .xlsx workbook or export an Excel worksheet as UTF-8 CSV, free in your browser. Your data stays on your device.
- Compress & Resize Images Without Uploading
Compress and resize JPG, PNG and WebP photos right in your browser. Re-encoded locally, so photos are never uploaded and EXIF GPS metadata is not copied.
- Convert Images: HEIC, JPG, PNG, WebP
Convert HEIC, JPG, PNG and WebP photos into a different real image format and download the new files, free and entirely in your browser.
- Crop, Rotate & Flip Images
Crop, rotate and flip JPG, PNG or WebP photos in your browser. Supports files up to 15MB and 40 megapixels, with no upload.
- Merge Photos Side by Side or Vertically
Join 2 to 20 JPG, PNG or WebP photos into one image, with up to 15MB per file and 100MB total. Photos stay in your browser.
- Make an Animated GIF from Photos
Make an animated GIF from 2 to 16 JPG, PNG or WebP photos. Files are processed in your browser, with up to 15MB per photo and 80MB total.
- Pixelate a Photo with a Mosaic Effect
Pixelate an entire JPG, PNG or WebP photo in your browser. Supports files up to 15MB and 40 megapixels, with output resized to a maximum 2600-pixel long edge.
- Add a Text Watermark to a Photo
Add a text watermark to a JPG, PNG or WebP photo in your browser. Files up to 15MB and 40 megapixels are supported, with no upload.
- Create a Favicon and App Icon Package
Create favicon.ico with 16, 32 and 48px icons, plus 16 to 512px PNG icons for websites and apps. Supports images up to 15MB and 40 megapixels, processed in your browser.
- Convert and Trim Audio and Video
Convert or trim video and audio in your browser. Extract MP3, cut audio to MP3, trim video to MP4 or make a GIF from the first 3, 5, 8 or 12 seconds. Files can be up to 200MB.
- Record Voice in Your Browser
Record up to 5 minutes of WebM audio from your microphone in your browser. Preview and download the recording without uploading it.
- Barcode Generator
Create CODE128, EAN-13, EAN-8, and CODE39 barcode images in your browser. Download SVG or PNG without sending values to a server.
- Cut an Audio File to MP3
Cut a section from an MP3 or supported audio file and save it as a new MP3 in your browser. Files can be up to 200MB, with no upload.
- Online Signature Maker
Draw a signature with your mouse, finger, or pen and download a transparent PNG. Creation happens in your browser; no electronic contract certification is provided.
- Online Stamp Maker
Create a round or square stamp image with up to four characters and a transparent background. Download a PNG from your browser.
- Extract Text from an Image with OCR
Extract editable Korean or English text from JPG, PNG and WebP images in your browser. Images up to 12MB and 20 megapixels are supported, with no upload.
- Image Palette and Color Contrast Checker
Extract an image palette and copy HEX or CSS colors, or check WCAG text contrast between two colors. Images are processed in your browser.
- Word & Character Counter, Text Cleaner
Count characters, words and UTF-8 bytes, then clean up spacing and line breaks in one browser workbench. Your text stays on this device.
- Markdown Converter and Preview
Convert Markdown to a sanitized HTML preview, review semantic HTML publishing tips, and copy the result. Your text stays in your browser.
- Text Comparison Tool
Compare two text inputs line by line, review changes, and save the result as an HTML file. Text is processed in your browser.
- Word Frequency Analyzer
Analyze word frequency in your browser, exclude common or custom stop words, and copy a table of counts and shares. Text stays on your device.
- QR Code Maker and Scanner
Create a QR code for text, a URL, or Wi-Fi access and download a PNG. Scan QR codes from JPG, PNG, or WebP images or your camera in your browser.
- Password Generator
Generate and copy random passwords with your chosen length and character types. The browser creates them locally with secure random values.
- Free D-day Calculator
Free D-day calculator. Count the days left until an exam, trip, birthday or anniversary, or the days since a past date, right in your browser.
- Random Number Generator
Free random number generator. Draw random whole numbers between a minimum and a maximum, with or without repeats, right in your browser.
- Unit Price Calculator: Compare Price per 100g or 100ml
Free unit price calculator. Enter a price and a quantity in g, kg, ml or L to get the price per 100g or 100ml and compare products of different sizes.
- Split Bill Calculator (Dutch Pay)
Free split bill calculator. Divide a total between friends or coworkers, add an optional tip or service charge, and see each person's share.
- International Age (Man Age) Calculator
Free international age (man age) calculator. Enter a birth date to see today's age counted from your birthday and the year-based age, right in your browser.
- Unit Converter: Length, Weight, Volume & Temperature
Free unit converter for length, weight, volume and temperature. Convert mm, cm, m, km, g, kg, oz, lb, ml, L, cups, Celsius and Fahrenheit in your browser.
- Time Calculator: Hours Between Two Times
Free time calculator. Enter a start time and an end time to get the hours and minutes between them, including spans that pass midnight.
- Online Countdown Timer with Alarm
Free online countdown timer. Set hours, minutes and seconds, start right away and get an alert sound when time is up, all in your browser.
- Online Stopwatch with Lap Times
Free online stopwatch with start, pause, reset and lap times. Elapsed time is shown to hundredths of a second, right in your browser.
- Fuel Cost Calculator: Trip Cost from Distance & Mileage
Free fuel cost calculator. Enter distance, fuel efficiency in km/L and the price per liter to estimate the fuel needed and the trip cost.
- Free Online Roulette Wheel Spinner
Free online roulette wheel. Enter names, menus or study presenters and spin to pick a first item or build a full order, right in your browser.
- Free Online Ladder Game (Ghost Leg)
Free online ladder game (ghost leg). Enter participants and outcomes to decide turns, winners or penalties, right in your browser with no sign-up.
- Random Picker: Draw Names, Menus & Turns
Free random picker for names, menus, turns and penalties. Draw several items at once and choose whether drawn items are excluded, all in your browser.
- Random Team Maker: Split Names into Teams
Free random team maker. Split names into evenly sized teams for classes, workshops, sports or games, and keep chosen people together, all in your browser.