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Join PDF files on this device. Change the order, keep the original pages, and download the result without uploading it.

Separate PDF pages or ranges into new PDFs on this device. Download one PDF or a ZIP of multiple parts.

Turn PDF pages 90, 180, or 270 degrees on this device. Keep the original text and download the result when you are ready.

Copy the pages you name, in that order, into one new PDF on this device.

Leave out the pages you name and download the pages that remain.

Drag pages, or move them with the keyboard, and download every page in the new order.

Put the last page first and keep every page in the PDF.

Repeat selected pages and keep the others in place.

Place PNG or JPEG images into a PDF, one image per page, without stretching them.

Draw a short text watermark on the pages you choose.

Add a page number to the pages you choose, starting at the number you choose.

Trim the same margin from every edge of the pages you choose.

Scale the pages you choose, or fit them onto Letter or A4.

Mirror the pages you choose from left to right or top to bottom.

Turn each chosen page into a left and right page, or a top and bottom page.

Place 2 or 4 pages on each sheet without turning them into images.

Draw one line of text at the top, the bottom, or both.

Add an increasing number at the bottom right of the pages you choose.

Turn text you type into letter pages on this device.

Read the title, author, and dates stored in a PDF.

See the point size and rotation of each page.

Count words in the text layer of the first 40 pages.

List the font names stored in the PDF.

Read the top-level bookmarks.

Add an even margin around every page.

Lay pages onto landscape sheets for a simple saddle booklet.

Interleave two PDFs, one page from each.

Draw a short signature line at the bottom of every page.

Draw form values into the page.

Add 1 to 3 blank pages at the start or the end.

Find pages that look blank, then remove them when you confirm.

Pack pages into parts under a size you choose.

Look at the pages in grayscale without changing the file.

See which of the first 20 pages have different text.

Recompress supported JPEG photos and keep the text and page size.

Open a PDF and save a fresh copy.

Set the title, author, subject, and keywords.

Turn the text layer into simple Markdown.

Place PNG images on PDF pages.

Place JPEG images on PDF pages.

Draw WebP images into a PDF.

Render pages as PNG images.

Render pages as JPEG images.

Design an itemized invoice with parties, dates, totals and multi-page PDF export.

Render PDF pages to PNG or JPEG on this device. Choose the pages and DPI, then download the images.

Copy the text layer from a PDF on this device. Scanned pages are labeled when they have no text.

Open a PDF on this device. View pages, zoom and search text. Editing and text selection are not available in this experimental viewer.

Save a smaller JPEG.

Shrink the long edge and save a JPEG.

Save the image as PNG.

Scale the image so the long edge matches the size you set.

Trim the same percent from every edge.

Turn the image clockwise.

Mirror the image left to right or top to bottom.

Rotate the image by a few degrees.

Read the pixel size and file size.

Resize every selected image.

Convert every selected image to PNG.

Compress every selected image to JPEG.

Blur the image.

Draw the image as large blocks.

Save the left half and the right half.

Place images side by side.

Place images on one sheet.

Sample colors from the image.

Build a small palette from the image.

Show the pixel width and height.

Show two images and how many sampled pixels differ.

Draw a line of text on the image.

Apply a contrast filter.

Change the brightness.

Save a grayscale copy.

Sharpen the image with a small kernel.

Turn near-white pixels transparent.

Replace near-white pixels with a color you choose.

Frame, crop and annotate a screenshot with editable layers and local image exports.

Add a solid border.

Round the corners of the image.

Add an even border.

Draw a soft shadow on a white sheet.

Encode the file as Base64.

Turn Base64 text back into an image.

Draw the image at twice the pixel size.

Show the file type from its first bytes.

Save the first frame of a GIF as a PNG.

Save the image as WebP when this browser can.

Save a PNG as a JPEG.

Save a JPEG as a PNG.

Draw an SVG into a PNG.

Count how many sampled pixels are transparent.

Rotate, flip, or brighten a photo and preview it.

Frame a photo at 1080 by 1080.

Frame a photo at 1080 by 1920.

Frame a photo at 1600 by 900.

Frame a photo at 1500 by 500.

Frame a photo at 1200 by 627.

Frame a photo at 1584 by 396.

Frame a photo at 1280 by 720.

Frame a photo at 1200 by 630.

Trim lines and collapse blank lines.

Count words in the text you paste.

Count characters and characters without spaces.

Make the text lower, upper, or title case.

Estimate reading time from the word count.

Keep the first copy of each line.

Sort lines from A to Z.

Put the last line first.

Replace a phrase in the text.

Show whether two texts match.

Count lines in the text.

Count sentences ending in a period, question mark, or exclamation mark.

List email-shaped text.

List http and https links.

List number groups that look like phone numbers.

Trim each line and turn tabs into spaces.

Turn a title into a lowercase hyphenated slug.

Show a code point for each character.

Render a small set of Markdown marks.

Edit Markdown and see the same preview beside it.

List hashtags in the text.

Pack the files you choose into a ZIP.

List every file in a ZIP and save each one.

Show the names and sizes inside a ZIP.

Show the name, size, and type of a file.

Guess a type from the first bytes.

Show the size in bytes, KiB, and MiB.

Build new names from a prefix and a number.

Group files that have the same SHA-256 hash.

Compare the size and SHA-256 of two files.

Summarize the files you select from a folder.

Show the first 256 bytes as hex.

Compute a SHA-256 checksum.

Show the name, type, size, and last modified time.

Encode a file as a data URI.

Pretty-print JSON.

Check that text is JSON.

Show JSON keys and values.

Remove JSON whitespace.

Show whether two JSON values match.

Encode text as Base64.

Decode Base64 text.

Encode text for a URL.

Decode URL text.

Split a URL into its parts.

Escape HTML characters.

Turn HTML entities back into characters.

Hash text with SHA-256.

Create a random UUID.

Turn a Unix time into a date, or now into Unix time.

Turn a small Markdown set into HTML.

Generate placeholder paragraphs.

Generate a random password on this device.

Generate a random string.

Convert binary text to hex.

Convert hex text to binary.

Show UTF-8 bytes as hex.

Turn hex bytes back into text.

Show the name-free code point of each character.

Turn a hex color into RGB.

Join key=value lines into a query string.

Look up a common HTTP status code.

Look up a MIME type from a file extension.

Describe a five-field cron expression.

Create a short random id.

SHA-256 a piece of text.

Show printable ASCII characters.

Show the header and payload of a JWT.

Show matches for a regular expression.

Show lines that differ between two texts.

Find a percent of a number.

Measure the change between two numbers.

Simplify two numbers as a ratio.

Calculate a tip and the total bill.

Apply a percent discount.

Convert length, weight, temperature, speed, area, volume and data sizes.

Convert metric and imperial lengths, from nanometers to miles.

Convert grams, kilograms, pounds, ounces, stones and tons.

Convert Celsius, Fahrenheit and Kelvin in either direction.

Convert bits, bytes and decimal or binary storage units.

Count days between two dates.

Count years from a birth date to today.

Calculate body mass from kilograms and meters.

Estimate a monthly loan payment.

Pick a random integer in a range.

Roll a six-sided die.

Reduce a width and height to a ratio.

Convert pixels and inches into DPI.

Add two minute counts.

Convert meters per second, km/h, mph, feet per second and knots.

Convert metric and imperial areas, acres and hectares.

Convert liters, cubic units, and US or imperial volumes.

Check primality, list prime factors and find the next prime.

Find the greatest common divisor and least common multiple.

Calculate an exact factorial, including large integer results.

Calculate powers and real nth roots.

Calculate a logarithm in any positive base, including e and 2.

Compare modulo, remainder and truncated integer quotient.

Solve a quadratic with real or complex roots, or a degenerate linear equation.

Add, subtract, multiply or divide exact fractions.

Average values with a separate weight for each one.

Solve a:b = c:x and simplify the original ratio.

Compare the price per unit of two packs.

Calculate megapixels, aspect ratio and optional pixel density.

Add durations and export the total in ISO 8601 form.

Count weekdays between two dates, excluding holidays you provide.

Find the date a number of calendar days before or after another.

Calculate interest and total amount over years, months or days.

Separate net and tax amounts, then allocate the tax between two named components.

Build a campaign link without visiting or uploading the destination.

Compare profit, gross margin and markup.

Find a selling price from cost and markup.

Find the whole units and revenue needed to cover fixed costs.

Project sales revenue with discounts and monthly growth.

Calculate commission and total pay including a base amount.

Compare hourly, daily, weekly, monthly and annual gross pay.

Calculate net profit, ROI and an optional annualized return.

Compare advertising revenue with campaign spend.

Calculate conversion rate and visitors per conversion.

Calculate clicks as a percentage of impressions.

Calculate campaign cost per 1,000 impressions.

Calculate average campaign cost per click.

Estimate hourly and day rates from income, costs and billable time.

Add tax to a net amount or remove it from an inclusive amount.

Estimate fixed-rate repayments with extra payments and a CSV schedule.

Write numbers or cheque amounts in English with currency and numbering options.

Design an itemized invoice with editable parties, tax, discounts and payment details.

Prepare an itemized quote with validity dates, terms and a local PDF export.

Create an itemized receipt with payment details and a downloadable PDF.

Prepare a supplier bill with due dates, line items and totals.

Invoice hours and rates with exact line rounding and editable payment terms.

Prepare an itemized purchase order with buyer, supplier and delivery details.

Design a preliminary invoice estimate with editable items and terms.

Prepare an itemized credit adjustment linked to an original reference.

Create a shipping checklist with quantities and addresses, without disclosing prices.

Prepare a dated expense report with employee, organization and itemized amounts.

List delivered goods, quantities, addresses and an optional receiver acknowledgment without showing prices.

Record dated tasks and decimal hours for one person, total the hours and export a local PDF.

Create QR codes for links, text, Wi-Fi, email, phone, SMS, contacts and locations.

Create a vCard contact QR code with editable colors and local SVG or PNG exports.

Create Code 128, Code 39, EAN-13, EAN-8 and UPC-A barcodes on this device.

Lift a signature from plain paper, refine the edges and download a transparent PNG on this device.

Turn comma-separated rows into JSON.

Turn a JSON array of objects into CSV.

Turn tabs into commas.

Turn commas into tabs.

Normalize CSV quoting without changing cell values.

Check that every row has the same number of columns.

List repeated CSV rows.

Sort rows by the first column.

Average a list of numbers.

Compute a population standard deviation.

Flatten one level of a JSON object.

Show a JSON array as a text table.

Preview a hex color.

Preview a two-color gradient.

Preview a soft shadow.

Preview a rounded box.

Show a size stepped up by 1.25.

Build a CSS clamp from two sizes.

Show an 8-point spacing scale.

Chain local PDF actions, reuse recipes and download the finished files. No document uploads.

Find related passages in PDF or text by meaning.

Compare the meaning of two short passages with an on-device model.