All Tools
Every single tool on Billu, ready to use directly in your browser.
Compress Image
Shrink JPG, PNG & WebP files without visible quality loss.
Resize Image
Resize photos to exact pixels or percentage — in your browser.
Merge PDF
Combine multiple PDF files into one document instantly.
Protect PDF
Add a password to PDF.
Unlock PDF
Remove password from PDF.
Compress PDF
Reduce PDF file size while keeping text and images sharp.
Remove Metadata
Strip hidden metadata from your PDF files.
Generate QR Code
Create quick and clean QR codes from any text or URL.
Extract Images
Pull all raw embedded images out of a PDF into a ZIP.
Generate Password
Create highly secure random passwords instantly.
Flatten PDF
Flatten form fields and annotations into the document.
Crop PDF
Visually trim PDF margins and crop pages.
Text to PDF
Convert plain text into a PDF document.
Markdown to PDF
Convert markdown into a styled PDF.
Sign PDF
Draw your signature and securely sign PDFs.
Create Invoice
Generate a beautiful PDF invoice instantly.
Camera to PDF
Snap a photo using your webcam and turn it into a PDF.
Halve PDF Pages
Split two-page book spreads into single pages.
Annotate PDF
Draw freehand on your PDF to highlight or annotate.
Fill PDF Form
Extract and fill interactive form fields in your PDF.
PDF Overlay
Stamp one PDF document perfectly on top of another.
Rotate PDF
Rotate your PDF pages to the correct orientation.
Rearrange Pages
Visually drag and drop PDF pages to reorder them.
PDF to Images
Convert every page of a PDF into high-quality images.
Edit Metadata
Change or remove Title, Author, and other PDF metadata.
Extract Pages
Select specific pages to save into a new PDF.
Remove Pages
Delete unwanted pages from your PDF.
Add Watermark
Stamp your PDF with a custom text watermark.
Add Page Numbers
Automatically number the pages in your PDF.
Video Convert
Convert between MP4, MOV, AVI and more.
Trim Audio
Trim MP3, WAV and OGG files with a simple timeline.
Split PDF
Extract individual pages from any PDF document.
Convert Image
Convert JPG to PNG, WebP, AVIF and back.
PX to REM
Instantly convert Pixels to REM units for CSS.
REM to PX
Convert REM units back to Pixels.
PX to CM
Convert Pixels to Centimeters based on screen DPI.
CM to PX
Convert Centimeters back to Pixels.
PX to MM
Convert Pixels to Millimeters.
MM to PX
Convert Millimeters back to Pixels.
PX to Inches
Convert Pixels to Inches.
Inches to PX
Convert Inches back to Pixels.
PX to Feet
Convert Pixels to Feet.
Feet to PX
Convert Feet back to Pixels.
Image to Base64
Convert an image file into a Base64 string.
Base64 to Image
Convert a Base64 string back into a downloadable image.
Keyboard Tester
Press any key on your keyboard to test if it's registering correctly.
Mouse Tester
Move your mouse and click (Left, Middle, Right) inside the box to test it.
Webcam Tester
Check if your webcam is working properly directly in your browser.
Microphone Tester
Check if your microphone is working and test input levels.
Screen Tester
Find out your exact screen resolution, viewport size, and device pixel ratio.
JSON Formatter
Format, beautify, and validate JSON data directly in your browser.
Base64 Encoder
Encode text to Base64 or decode Base64 back to text instantly.
URL Encoder
Encode special characters in URLs or decode them back to readable text.
JWT Decoder
Decode JSON Web Tokens (JWT) safely in your browser (no server parsing).
UUID Generator
Generate random version 4 UUIDs (Universally Unique Identifiers) instantly.
Text Case Converter
Convert text to uppercase, lowercase, title case, or sentence case.
Word & Character Counter
Instantly count words, characters, and lines in your text.
Find & Replace
Find specific words and replace them across your entire text instantly.
Remove Extra Spaces
Clean up messy text by removing extra spaces, tabs, and line breaks.
Remove Duplicate Lines
Filter a list of text to keep only unique lines.
Alphabetical Sorter
Sort lists of text alphabetically (A-Z or Z-A).
Text to Binary
Convert text to binary code (and binary back to text).
Reverse Text
Reverse the letters or words in your text.
Extract Emails
Find and extract all email addresses from a block of text.
Extract URLs
Find and extract all web links (HTTP/HTTPS) from text.
Lorem Ipsum Generator
Generate placeholder text for your designs and layouts.