Wenlan
Wenlan is a source-backed AI knowledge base and LLM wiki for AI work: organize documents and decisions into pages you can find, inspect, and review.
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Source code of SmallPDF.us - free online PDF and image tools (compress, merge, split, convert, OCR, redact). Next.js + Express.
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Read the full README ↗SmallPDF.us is a free web app for everyday PDF and image jobs. Open the site, drop a file, download the result. No installation, no watermarks, and the main tools work without an account.
🔗 Website: https://smallpdf.us/
| Tool | What it does |
|---|---|
| Compress PDF | Shrink PDF file size without visibly losing quality |
| Merge PDF | Combine several PDFs into one document |
| Split PDF | Extract pages or split a PDF into parts |
| Rotate PDF | Rotate pages and save the PDF |
| PDF to Word | Convert PDF to an editable DOCX |
| Word to PDF | Convert DOC/DOCX to PDF |
| PDF to Excel | Pull tables out of a PDF into XLSX |
| Excel to PDF | Convert spreadsheets to PDF |
| PDF to PowerPoint | Turn PDF pages into PPTX slides |
| PowerPoint to PDF | Convert PPT/PPTX to PDF |
| PDF to JPG · PDF to PNG | Render PDF pages as images |
| JPG to PDF · PNG to PDF | Turn images into a PDF |
| Compress Image | Reduce JPG/PNG/WebP size |
| HEIC to JPG · HEIC to PNG | Convert iPhone photos |
| WebP to PNG · PNG to WebP | Convert between web image formats |
| OCR PDF | Make scanned PDFs searchable |
| Edit PDF | Add text and annotations |
| Redact PDF | Permanently black out sensitive information |
| Protect PDF · Unlock PDF | Add or remove a PDF password |
The site is available in English, Deutsch, Español, Français, Italiano, Português, Bahasa Indonesia and 日本語. See plans and pricing for higher limits.
The extension/ folder contains a small Chrome extension that opens the tools above in one click.
Uploaded files are processed on the server and removed automatically after a short time. Read the full privacy policy.
Next.js (React) frontend, Node.js / Express backend, SQLite, Ghostscript, qpdf, LibreOffice, pikepdf and Tesseract for the conversions.
Made by Manikant Yadav. Website: smallpdf.us.