Free Online Tools.
Simple & Fast.
100 free browser-based tools for PDFs, images, text, code,
calculations, conversions and everyday creation.
A tool for every little task.
No sign-ups. No unnecessary steps.
100 tools ready when you are
Merge PDF
Combine multiple PDFs into one neatly ordered document.
Open tool →Split PDF
Extract the pages you need into a separate PDF.
Open tool →Images to PDF
Turn JPG, PNG, and WebP images into a single PDF.
Open tool →PDF to Images
Save PDF pages as clear PNG images in a ZIP file.
Open tool →Image Compressor
Make JPG and WebP images lighter with adjustable quality.
Open tool →Image Resizer
Resize an image to the exact dimensions you need.
Open tool →Image Cropper
Keep the part that matters with a precise pixel crop.
Open tool →JPG ↔ PNG Converter
Switch between JPG and PNG right in your browser.
Open tool →WebP ↔ JPG/PNG Converter
Convert WebP, JPG, and PNG into your preferred format.
Open tool →QR Code Generator
Turn a link or short text into a downloadable QR code.
Open tool →Password Generator
Create strong random passwords with your chosen character sets.
Open tool →Word & Character Counter
Count words, characters, sentences, and reading time.
Open tool →Case Converter
Change text to uppercase, lowercase, title, or sentence case.
Open tool →Remove Duplicate Lines
Clean up a list while keeping its original order.
Open tool →JSON Formatter & Validator
Validate, format, or minify JSON with helpful error feedback.
Open tool →Base64 Encoder/Decoder
Encode Unicode text as Base64 or decode it back to text.
Open tool →URL Encoder/Decoder
Safely encode or decode a URL component.
Open tool →Percentage Calculator
Find percentages, proportions, and percentage changes.
Open tool →Age Calculator
Calculate calendar age between two dates.
Open tool →Unit Converter
Convert length, mass, temperature, area, volume, and speed.
Open tool →Compress PDF
Try lossless compression to make a PDF smaller without lowering image quality.
Open tool →Rotate PDF
Turn sideways or upside-down pages so your PDF is easier to read.
Open tool →Delete PDF Pages
Remove unwanted pages and save a shorter copy of your document.
Open tool →Extract PDF Pages
Save just the pages you need as a separate PDF, in your chosen order.
Open tool →Reorder PDF Pages
Move pages into the right reading order before saving a new PDF.
Open tool →Add Page Numbers to PDF
Add clear page numbers at the top or bottom of your PDF pages.
Open tool →Add Watermark to PDF
Place a light text watermark across selected pages of your document.
Open tool →Add Text to PDF
Add a short note or label to PDF pages without changing existing text.
Open tool →PDF Metadata Viewer
See the title, author, dates, and other standard details stored in a PDF.
Open tool →Edit PDF Metadata
Update the title, author, subject, and keywords stored inside your PDF.
Open tool →Protect PDF with Password
Require a password to open a PDF using local AES-256 encryption.
Open tool →Unlock PDF
Remove password protection from a PDF you are allowed to open.
Open tool →Crop PDF Pages
Trim visible margins from selected PDF pages using simple percentage controls.
Open tool →Duplicate PDF Pages
Insert a second copy of selected pages directly after each original.
Open tool →Reverse PDF Pages
Put the last page first and reverse the whole document’s reading order.
Open tool →Organize PDF Pages
Reorder, rotate, copy, and remove pages together in one PDF workspace.
Open tool →Background Remover
Remove the background from a portrait on your device and save a transparent PNG.
Open tool →Image Rotator
Turn an image left, right, or by your own angle with an instant preview.
Open tool →Image Flipper
Mirror a picture horizontally or vertically and preview the result.
Open tool →Image to Base64
Turn a JPG, PNG, or WebP into copyable Base64 text or a data URL.
Open tool →Base64 to Image
Paste image Base64, see the picture, and download the original image bytes.
Open tool →Image Metadata Viewer
Inspect image dimensions, file details, and available camera or EXIF information.
Open tool →Remove Image Metadata
Create a clean PNG copy without carrying over the original EXIF or GPS tags.
Open tool →Batch Image Resizer
Resize a group of pictures to fit your chosen bounds while keeping their proportions.
Open tool →Batch Image Compressor
Adjust compression for several pictures, compare sizes, and download them together.
Open tool →Image Quality Changer
Move the quality slider and compare the picture and file size before downloading.
Open tool →Grayscale Image
Turn a color picture into black and white with a live before-and-after preview.
Open tool →Image Color Picker
Click or tap your image to read and copy its HEX, RGB, and HSL colors.
Open tool →PNG to ICO Converter
Turn a PNG into a real multi-size ICO icon for websites and desktop apps.
Open tool →Image Watermark
Add and position a text watermark with live size, opacity, and rotation controls.
Open tool →SVG to PNG Converter
Convert a self-contained SVG drawing to a PNG at your chosen size.
Open tool →Sentence Counter
See how many sentences, words, and characters are in your writing as you type.
Open tool →Paragraph Counter
Count blocks of writing separated by blank lines, alongside words and characters.
Open tool →Reading Time Calculator
Estimate how long your text takes to read and adjust the reading pace.
Open tool →Remove Extra Spaces
Tidy repeated spaces and blank lines while keeping your paragraphs readable.
Open tool →Sort Lines
Put a list in alphabetical or reverse alphabetical order with a live preview.
Open tool →Reverse Text
Reverse letters, words, or whole lines without breaking joined emojis.
Open tool →Find & Replace
Swap a word or phrase and preview exactly how many matches will change.
Open tool →Text Diff Checker
Compare two versions of your writing and see what was added or removed.
Open tool →Text to Slug
Turn a title into a short, tidy name such as free-online-tools for a web address.
Open tool →Word Frequency Counter
See which words appear most often, with counts and shares of your text.
Open tool →Random Text Generator
Create sample words, sentences, or paragraphs for testing a layout.
Open tool →Line Counter
Count total, filled, and blank lines in pasted text, plus words and characters.
Open tool →BMI Calculator
Calculate adult BMI using metric or imperial measurements, with a general category reference.
Open tool →GPA Calculator
Add your courses, grade points, and credits to see your weighted GPA automatically.
Open tool →CGPA Calculator
Combine semester GPAs using credit hours to find your cumulative GPA.
Open tool →Loan Calculator
Estimate monthly loan payments, total interest, and how the balance falls over time.
Open tool →Compound Interest Calculator
See how a starting balance and regular deposits grow with compound interest.
Open tool →Simple Interest Calculator
Calculate interest on a starting amount without interest-on-interest growth.
Open tool →Discount Calculator
Find the sale price and savings, including an optional second discount.
Open tool →Profit Margin Calculator
Calculate profit, margin, and markup—or find a price from your target margin.
Open tool →Date Difference Calculator
Count days between dates, with weeks and a calendar years–months–days breakdown.
Open tool →Average Calculator
Paste a list of numbers to find the average, sum, median, and smallest and largest values.
Open tool →Barcode Generator
Create a barcode with a live preview, format checks, and full-size SVG or PNG downloads.
Open tool →Username Generator
Make fresh username ideas from a keyword, with length, number, and separator options.
Open tool →Random Number Generator
Pick whole or decimal numbers within your chosen range, with optional unique results.
Open tool →Random Color Generator
Explore random colors, keep favorites, and copy HEX, RGB, or HSL values.
Open tool →Lorem Ipsum Generator
Generate neatly formatted placeholder words, sentences, or paragraphs for a layout.
Open tool →CSS Gradient Generator
Build a linear or radial gradient visually and copy the CSS as you edit.
Open tool →Length Converter
Convert centimeters to inches, meters to feet, or miles to kilometers with instant answers.
Open tool →Weight Converter
Change kilograms, pounds, grams, ounces, and stone into the mass units you need.
Open tool →Temperature Converter
Convert Celsius, Fahrenheit, and Kelvin with automatic answers and absolute-zero checks.
Open tool →Area Converter
Compare square meters, square feet, acres, hectares, and other surface measurements.
Open tool →Volume Converter
Convert liters, milliliters, cups, and clearly labeled US or Imperial liquid measures.
Open tool →Speed Converter
Change mph to km/h, meters per second, feet per second, or knots as you type.
Open tool →Data Storage Converter
Convert bits and bytes using clearly labeled decimal KB/MB/GB and binary KiB/MiB/GiB units.
Open tool →Energy Converter
Convert joules, calories, kilocalories, watt-hours, kilowatt-hours, and International Table BTU.
Open tool →Pressure Converter
Convert pascals, bar, atmospheres, psi, Torr, and conventional mmHg with clear unit choices.
Open tool →JSON to CSV Converter
Turn JSON objects into properly escaped CSV, with spreadsheet formula protection and a local download.
Open tool →CSV to JSON Converter
Convert quoted CSV rows into readable JSON while preserving empty cells, Unicode, and leading zeros.
Open tool →HTML Encoder/Decoder
Encode special HTML characters or decode named and numeric entities safely as plain text.
Open tool →JWT Decoder
Read a JWT header, payload, signature section, and claim timestamps locally without claiming verification.
Open tool →UUID Generator
Generate secure random UUID v4 identifiers in batches, then copy individual values or download the list.
Open tool →Regex Tester
Test JavaScript regular expressions with highlighted matches, positions, and capturing groups in a time-limited worker.
Open tool →Unix Timestamp Converter
Convert seconds or milliseconds to UTC, local time, and ISO dates, or turn a date into a timestamp.
Open tool →Color Converter
Preview a color and convert HEX, RGB, HSL, and alpha formats with individual copy controls.
Open tool →Markdown Previewer
Write Markdown with a live, sanitized preview of headings, lists, links, code blocks, and tables.
Open tool →HTML Minifier
Reduce HTML comments and tag formatting conservatively while preserving meaningful text spacing.
Open tool →CSS Minifier
Remove CSS formatting with a real parser while preserving rule order and custom property values.
Open tool →JavaScript Minifier
Minify modern JavaScript locally with Terser, without executing code or renaming your variables.
Open tool →Everyday favorites.
Useful tools. Thoughtful by design.
Your files are processed right in your browser. No uploads, no accounts, and no copies stored on our servers. Just the result you came for.
Our approach to privacy ↗For the things between the big things.
A PDF to combine. An image to resize. A quick calculation to check. Toolzafi brings those small, useful jobs into one welcoming place—so you can get back to what matters.