Tools

Split, extract, and reorder PDF pages — entirely in your browser.

Combine multiple PDFs into one, with full control over file and page order.

Turn JPG, PNG, and other images into a single ordered PDF.

Export PDF pages as high-quality JPG images, individually or as a zip.

Add a drawn or uploaded signature to a PDF, permanently and privately.

Shrink PDF file size by recompressing embedded images, without touching text.

Add password encryption to a PDF, entirely on your device.

Remove a known password from a protected PDF.

Best-effort conversion of PDF text content into an editable .docx file.

Convert a .docx document into a real, selectable-text PDF.

Convert and batch-process images between PNG, JPG, and WebP.

Shrink JPG, PNG, and WebP file size without changing format.

Resize images by exact dimensions or percentage, with aspect-ratio lock.

Interactively crop an image with free or fixed aspect ratios.

Minify and clean up SVG markup with a full plugin control matrix.

Generate favicon.ico, PNG icons, and an apple-touch-icon from any image.

Compare two blocks of text side by side with line or word-level diffs.

Count words, characters, sentences, and more, with reading time and keyword analysis.

Encode and decode Base64 text and files, including URL-safe and data URI variants.

Percent-encode and decode URLs and query-string values.

Generate a cryptographically random password with a live strength estimate.

Structurally compare two JSON documents, ignoring key order.

Pretty-print, minify, validate, and auto-repair malformed JSON.

A clean four-function calculator.

Trig, logs, exponents, constants, and unit-aware expressions.

Percentage-of, percentage-change, markup, and discount math.

Informational body mass index calculator.

Amortization schedules with CSV export.

Length, weight, temperature, volume, and data storage conversions.

Date differences, add/subtract, and business-day counting.

Daily exchange rates, cached locally for offline use.

Convert Unix epoch timestamps to dates and back, in seconds or milliseconds.

Add and subtract hours, minutes, and seconds across any number of durations.

Calculate hours worked between a clock-in and clock-out time, minus any unpaid break.

Calculate a credit-weighted GPA for a term, or roll a new term into your cumulative GPA.

Combine weighted categories into an overall course grade, or find the score you need on what's left.

Convert between MPG (US), MPG (UK), km per liter, and L per 100 km, or calculate economy from a trip.

Estimate flywheel horsepower from a quarter-mile elapsed time or trap speed.

Calculate horsepower from torque and RPM, or from force and speed, and convert between HP and kW.

A classic LOVE-letter-counting compatibility percentage — for fun only.

Compute GDP via the expenditure approach, derive per-capita and real GDP, or compare growth between two periods.

Calculate a tip amount, total, and even per-person split from a bill and tip percentage.

Convert between US Men's, US Women's, UK, EU, and foot-length shoe sizes.

Calculate network address, broadcast address, and usable host range from an IPv4 address and CIDR prefix or subnet mask.