Increase your PDF file size by re-rendering pages at high resolution — entirely in your browser.
High-resolution, private, and instant.
Re-renders every page at 3× scale, dramatically increasing resolution and file fidelity.
All processing happens locally in your browser. Your PDF never leaves your device.
Browser-based WebAssembly engine delivers results in seconds without any server uploads.
No sign-ups, no watermarks, no hidden fees. Completely free to use, always.
Three steps to a larger, sharper PDF.
Select or drag and drop your PDF file (up to 25 MB).
Enter a target file size that is larger than the original.
Download your high-resolution, enlarged PDF instantly.
Each page is re-rendered at 3× resolution using PDF.js and encoded as a high-quality JPEG. This increases the visual detail and file size significantly.
No — the tool converts pages to high-resolution images. Text will not be selectable in the output PDF, but will appear sharper and more detailed.
You can target up to 100 MB output. Input files must be under 25 MB.
No. All processing happens entirely in your browser. Your file never leaves your device.
Our free PDF enlarger re-renders every page at 3× the original resolution using PDF.js, then re-encodes each page as a high-quality JPEG. The result is a larger, sharper PDF file.
The entire process runs in your browser using WebAssembly. No server uploads, no privacy risk. Supports encrypted PDFs — just enter your password and we'll handle the rest.
Accepts PDF files up to 25 MB. Target output sizes up to 100 MB are supported.