Free Online Tools – Text, Calculators, PDF and Images

Count words, characters with and without spaces, lines, paragraphs and bytes as you type. Free, private and works offline in your browser.

Paste your script to see how long it takes to read aloud. Adjust your speaking speed, measure your own pace with a 20-second stopwatch and add time for slides.

Convert text to upper case, lower case, title case or sentence case, or turn phrases into camelCase, snake_case and kebab-case. Free and private.

Remove duplicate lines, delete empty lines and sort a list alphabetically, naturally or by length. Paste a list and copy the clean result. Free and private.

Remove double spaces, trim lines, convert tabs and strip invisible characters such as zero-width spaces and non-breaking spaces from any text. Free and private.

Paste two versions of a text to highlight what was added, removed or changed, line by line or word by word. Free, private and nothing is uploaded.

Convert any number into English words, or write a dollar amount the way it goes on a check, such as "One hundred twenty-three and 45/100 dollars". Free and private.

Work out X% of a number, what percent one number is of another, the percentage change between two values, and the difference in percentage points. Shows the formula.

Find the sale price after a discount, the discount percentage between two prices, and the real total when discounts are stacked. Formula shown for every result.

Enter a date of birth to get an exact age in years, months and days, the number of days until the next birthday, and how many days and weeks old someone is.

Count the days, weeks and months between two dates, add or subtract days from a date, count weekdays, and see a D-day countdown. Free and time-zone safe.

Enter a loan amount, interest rate and term to see the monthly payment, total interest and a full amortization schedule. Compare repayment methods and download a CSV.

See how savings grow with compound interest. Enter a starting amount, monthly contributions, rate, time and compounding frequency, and compare the result with simple interest.

Estimate your monthly mortgage payment including principal, interest, property tax, home insurance, PMI and HOA fees. See the full amortization schedule and when PMI ends.

Add up hours worked for each day of the week, subtract unpaid breaks, handle overnight shifts, and see total hours in both hours:minutes and decimal. Add your hourly rate to estimate gross pay with overtime.

Calculate your GPA on the 4.0 scale from letter grades and credit hours. See weighted GPA for Honors and AP classes, and combine this semester with your current cumulative GPA.

Add sales tax to a price, back out the tax from a total, or find the tax rate from a receipt. Fill in any state's average combined rate for 2026 and see the tax rounded to the cent.

Combine several PDF files into one document in the order you choose. Files are merged inside your browser and never uploaded to a server. Free, no sign-up.

Shrink scanned or photo-heavy PDFs without uploading. Recompress embedded images when supported to keep text selectable, or convert whole pages to images for extra savings.

Change the order of pages in a PDF by dragging thumbnails or using the arrow buttons. Works in your browser; the file is never uploaded. Free and private.

Rotate individual PDF pages or the whole document, and delete pages you do not need. See thumbnails, then save a corrected copy. Files never leave your device.

Split a PDF by page ranges, every N pages, or by picking pages from thumbnails. Several results download together as a ZIP. Runs in your browser; nothing is uploaded.

Turn JPG and PNG images into a single PDF. Choose A4, Letter or the original image size, set orientation and margins, and keep photos the right way up. No upload.

Convert every page of a PDF into a JPG image at screen, standard or print resolution, with adjustable quality. Multiple pages download as a ZIP. Nothing is uploaded.

Number the pages of a PDF in any of six positions, with formats like 1, 1 / N or Page 1 of N. Set the first number and apply to all or some pages. No upload needed.

Stamp a text or image watermark such as CONFIDENTIAL or DRAFT onto PDF pages. Set size, opacity, angle and color, repeat it across the page, and choose which pages. No upload.

Draw your signature with a mouse or finger, or upload a signature image, and place it anywhere on a PDF. Drag to position, resize, and add it to one page or every page. Nothing is uploaded.

Shrink photos and images by choosing a quality and maximum size. Compress many images at once and download them individually or as a ZIP. Nothing is uploaded.

Resize photos and images by percentage or to exact pixel dimensions. Keep the aspect ratio or set an exact width and height, process many images at once and download them as a ZIP.

Convert images between JPG, PNG and WebP. Choose a background color for transparent areas and a quality level, convert many images at once and download them as a ZIP. Nothing is uploaded.