Recommended (top 3)
Start here for the most common PDF tasks.
All PDF tools
- Compare PDFs by text – browser-only diff tool for document revisions | CalcBE
Upload two PDFs, extract their text locally, and highlight differences by line or paragraph. No uploads—diff stays in your browser.
- Crop & resize PDF pages – adjust size, margins and orientation in your browser | CalcBE
Crop and resize PDF pages in your browser. Draw a crop area, pick a target size (A4, Letter, or custom), add margins, and export—no uploads.
- Images to PDF – combine photos in browser | CalcBE
Convert multiple images to a single PDF with page size, orientation, margins, and fit options. Runs fully in your browser with no uploads.
- Merge PDFs – reorder and combine multiple files locally in your browser | CalcBE
Merge multiple PDFs in your browser. Reorder files, choose page ranges if needed, and download instantly with no uploads.
- Page numbers & watermarks – stamp PDFs in browser | CalcBE
Add page numbers or text watermarks to a PDF entirely in your browser. Choose positions, formats, ranges, and opacity—no uploads.
- PDF compressor – shrink large PDF files in your browser without uploads | CalcBE
Reduce PDF size entirely in your browser. Choose quality presets or custom DPI/quality, convert to grayscale, and download instantly without uploading files.
- PDF form filler & flattener – complete forms and lock in answers in your browser | CalcBE
Fill PDF form fields, preview highlights, keep fields editable or flatten them, and download instantly. All changes stay in your browser.
- PDF highlighter & annotator – markup in browser | CalcBE
Highlight, draw, and place text notes on PDFs in your browser. Navigate pages, undo steps, and export a flattened annotated PDF—no uploads.
- PDF metadata editor – edit title, author & keywords | CalcBE
Read and update PDF metadata such as title, author, subject, keywords, and dates entirely in your browser. No uploads required.
- PDF page organizer – reorder, rotate & delete pages | CalcBE
Reorder, rotate, duplicate, or delete PDF pages in your browser. Drag thumbnails, then export a new PDF without uploading files.
- PDF sign & stamp tool – add signatures and approval stamps in your browser | CalcBE
Create a signature, place it on pages, add dates or approval stamps, and export a signed PDF. All processing stays in your browser.
- PDF to images converter – export PDF pages as PNG or JPEG files in your browser | CalcBE
Convert PDF pages to PNG or JPEG entirely in your browser. Choose resolution, format, and page ranges, then download each page or a ZIP—no uploads required.
- PDF to text converter – extract text in browser | CalcBE
Extract text from PDFs entirely in your browser. Combine pages or keep per-page output, choose layout or paragraph mode, and download as TXT with no uploads.
- PDF Tools (browser-only) | Compress, merge, convert, annotate | CalcBE
A fast, private PDF toolkit that runs entirely in your browser: compress, merge, split, convert images, extract text, add watermarks, and more without uploading files.
- Split PDF files – extract page ranges or every N pages locally in your browser | CalcBE
Split a PDF into multiple files directly in your browser. Use page ranges, one-per-page, or every N pages—download results as a ZIP with no uploads.