Images to PDF
Combine photos, scans and screenshots into one PDF: reorder the pages, pick a page size and margins, and keep JPEGs at their original quality.
10 tools · in your browser
Tools
Small utilities for everyday tasks. No sign-up, no ads, no tracking.
Notepad
A distraction-free plain-text editor with zen mode, autosave in your browser, find & replace with regular expressions, and live line and word counts.
Split PDF
Preview every page as a thumbnail, pick pages by clicking or typing ranges like 1-3, 5, and download the result. Or split into parts as a ZIP.
Image compressor
Shrink JPEG, PNG and WebP images with a quality slider and format choice, and compare before and after side by side.
Compress PDF
Shrink a PDF by re-compressing its images and cleaning out unused objects.
Password generator
Cryptographically secure random passwords with length and character-set options and a strength estimate.
Integer & prime factorizer
Factor whole numbers of up to 40 digits: the canonical prime factorization, every divisor, and τ(n), σ(n) and φ(n), computed in a background thread.
Binary ↔ text converter
Turn text into the bits of its UTF-8 bytes and binary back into text, live in both directions. Check for ASCII and see every character byte by byte.
Great-circle distance
Distance, bearings and midpoint between two latitude/longitude points, in decimal degrees or DMS, with the route drawn on a globe.
Weight-loss calculator
Estimate your BMR and maintenance calories, set a daily intake or deficit and a target weight, and see the day you reach it on a chart and in a table.