PDF Editor 4 —
1100+ free online tools.
Edit PDFs, shrink photos, make QR codes, run loan and GST maths, clean up text and convert units — instantly, privately and completely free.
Browse by category
Every tool is grouped into one of these six categories.
PDF Tools
16 tools
Open, edit, merge, split, compress, sign and protect PDF files right in your browser.
Text Tools
16 tools
Write, clean, count, compare and convert text.
Image Tools
14 tools
Resize, crop, compress and convert pictures without losing control of the original.
Calculators
18 tools
Loan EMI, GST, interest, salary, BMI, dates and profit maths — each calculator shows the result and the numbers behind it so you can check the working.
Developer Tools
20 tools
Formatters, minifiers, encoders, hashes and testers for everyday web work.
Unit Converters & Utilities
1017 tools
Over a thousand unit converters plus everyday helpers: length, weight, area, volume, speed, data, temperature, time, power, angle and frequency.
Popular tools
The tools people open most often on PDF Editor 4.
PDF Text Editor
See your PDF, tap any word and change or erase it right in your browser.
Merge PDF
Join many PDF files into one ordered document.
Compress PDF
Shrink heavy PDFs so they upload and email easily.
PDF to Word
Pull editable text out of a PDF and save it as a document.
JPG to PDF
Build a PDF from your photos and scanned pages.
Image Compressor
Drop photo size to a target KB without ugly blur.
Image Resizer
Set the exact width and height you need.
Background Remover
Erase plain backgrounds and export a transparent PNG.
QR Code Generator
Make a QR code for links, UPI, WiFi or text.
Word Counter
Live word, character, sentence and reading-time counts.
Case Converter
Switch text between upper, lower, title and sentence case.
Text to Speech
Let your device read any text out loud.