Guides

Edit a PDF for free without Adobe Acrobat. Convert it to an editable Word document, make your changes, and export back to PDF — all in your browser.

Combine PDFs, photos and scans into a single PDF for free, in your browser. Step-by-step for merging documents and turning images into one clean file.

Convert a PDF to an editable Word document for free, in your browser. Learn what converts cleanly, what doesn't, and how to get the best result.

Convert a Word document (DOCX) to PDF for free in your browser, keeping your layout and fonts intact — no Office, no uploads, no watermark.

Encrypt a PDF with a password for free, in your browser. Learn how PDF encryption works, what it protects, and how to choose a strong password.

Remove the password from a PDF you own, for free and in your browser. Enter the current password once and download an unlocked copy.

Turn PDF pages into JPG or PNG images for free, in your browser. Choose resolution, pick the right format, and download single pages or all of them.

Add your signature to a PDF for free, in your browser. Draw or type a signature, place it on the page, and download the signed document — nothing uploaded.

Add page numbers to a PDF for free in your browser. Choose position, format like 'Page 1 of 10', starting number and size, then download.

Copy all the text out of a PDF for free, in your browser. Get plain text to a .txt file or clipboard — plus why scanned PDFs need OCR instead.

Rotate PDF pages and save the change permanently, for free in your browser. Fix sideways or upside-down scans so they open the right way for everyone.

Create a professional PDF invoice for free in your browser. Add your logo, line items, tax and totals, then download — no templates or software needed.

A clear guide to choosing between JPG, PNG and WebP — which format is best for photos, logos, screenshots and fast websites, with free tools to convert.

The right image dimensions for Instagram, YouTube, LinkedIn, X and Facebook in 2026 — plus a free browser tool to resize photos to any size instantly.

Shrink an image's file size for email, web or uploads — for free, in your browser. Learn what makes images large and how to compress without visible quality loss.

Resize an image to exact pixel dimensions for free in your browser. Learn how to keep the aspect ratio, avoid stretching, and crop when ratios don't match.

Convert PNG to JPG to shrink file size, or JPG to PNG for transparency and sharp edges — free, in your browser, with no uploads.

Convert JPG and PNG images to WebP for free in your browser to make your website faster — smaller files at the same quality, with transparency support.

Create a favicon for your website from any image, free and in your browser. Get all the sizes browsers and phones need, ready to drop into your site.

Pull editable text out of a photo or screenshot for free using in-browser OCR. Learn how to get the most accurate results and what affects recognition.

Make a compliant passport or visa photo at home for free. Crop to the right size for your country, meet the requirements, and download a print-ready image.

See the hidden EXIF metadata in your photos — including GPS location — and learn how to strip it before sharing, all free and in your browser.

Turn a series of images into an animated GIF for free, in your browser. Set the frame speed and loop, and download — no software or uploads needed.

Add a text watermark to your photos for free, in your browser. Protect your images with your name or brand, and control size, position and opacity.

Count words and characters instantly for essays, social posts and meta descriptions. Learn the limits that matter and how counting actually works.

Convert text between UPPERCASE, lowercase, Title Case and Sentence case in one click — free, in your browser, without retyping a thing.

Write title tags and meta descriptions that rank and get clicked. Learn the ideal lengths, what to include, and preview how they look in Google.

Create a correct robots.txt to control how search engines crawl your site. Learn the syntax, common rules, and how it works with your sitemap.

Check how often your keywords appear in your text and avoid keyword stuffing. Learn what a healthy density looks like and how to write for readers first.

Remove duplicate lines from any list for free, in your browser. Clean up emails, keywords, URLs and data, and optionally sort the result too.

Learn how to calculate a percentage, a percentage increase or decrease, and what percent one number is of another — with simple formulas and examples.

Understand how loan EMI is calculated, what affects your monthly payment and total interest, and estimate any loan or mortgage instantly with a free calculator.

Work out your exact age in years, months and days, or the precise time between any two dates — free and instant, right in your browser.

Learn the BMI formula, how to calculate it in metric or imperial units, what the categories mean, and the limitations of BMI as a health measure.

Convert length, weight, temperature and data sizes between metric and imperial instantly. Learn the common conversions and the formulas behind them.

Work out sale prices and restaurant tips in seconds. Learn the simple formulas for discounts and tips, and split a bill between any number of people.