Advanced PDF

Reduce PDF file size without losing quality - Free online PDF compressor

Compress multiple PDF files at once and download all as a ZIP — shows individual and total size savings. Free online bulk PDF compressor.

Compress scanned document PDFs by re-encoding embedded images at lower DPI and JPEG quality — typically 60–80% smaller. DPI control from 72 to 300. Free online scanned PDF compressor.

Compress PDF to under 200 KB — common requirement for passport photo forms and visa applications. Two-phase iterative compression with progress display. Free online PDF compressor.

Optimise PDF for fast browser rendering — removes print metadata, applies object stream compression, and reduces file size. Screen, Web, and Ebook presets. Free online PDF web optimiser.

Compress PDF to under 100KB for government portals and strict submission size limits — iterative compression with progress display. Free online PDF compressor.

Downscale embedded PDF images from 300 DPI to 150 or 96 DPI — the single biggest lever for PDF size reduction, typically achieving 50–80% smaller files. Free online PDF DPI reducer.

Compress PDF with selectable quality levels — Screen (72 DPI), Ebook (150 DPI), Printer (300 DPI), and Prepress. Preview all pages and download your optimised PDF instantly. Free online PDF compression level chooser.

Compress a PDF to under 1 MB — the standard Gmail and Outlook attachment threshold. Removes redundant objects and re-saves with object stream compression. Free online PDF compressor.

View all metadata embedded in a PDF document - Free online PDF metadata viewer

Edit and update PDF document metadata - Free online PDF metadata editor

Strip all PDF metadata — author, title, creation date, software — and compress the resulting clean file. Free online PDF metadata stripper.

Count words, characters, and pages in a PDF - Free online PDF word counter

Convert color PDF pages to grayscale instantly - Free online grayscale PDF converter

Convert color PDF pages to pure black and white with threshold control - Free online B&W PDF converter

Convert PDF files to look like scanned documents with custom rotation, noise, blur, and color adjustment - Free online PDF scanner simulator

Inspect PDF structure, fonts, and embedded objects - Free online PDF inspector

Flatten form fields and annotations into static PDF content - Free online PDF flattener

Embed any file as an attachment inside a PDF document - Free online PDF file embedder

Extract attachments and embedded files from a PDF document - Free online PDF attachment extractor

Inspect and extract all hyperlinks and internal links embedded in a PDF document - Free online PDF link checker

View and read PDF documents online with zoom, rotation, page navigation, and printing tools - Free online PDF viewer

Web-optimize PDF for fast browser rendering — applies object stream compression, strips metadata, and reduces file size so the first page renders before the full file downloads. Free online PDF linearization tool.