Most Popular PDF Tools
Merge, split, compress, and convert PDFs entirely in your browser — no upload required.
Merge PDF Without Uploading
Combine multiple PDF files into one locally. No cloud, no wait, no size limit.
Compress PDF — No Upload
Reduce PDF file size without losing quality. Runs entirely in your browser with WASM.
Split PDF — Extract Pages Free
Extract specific pages from a PDF privately, without uploading to any server.
PDF to JPG — Free & Private
Convert every page of a PDF to high-resolution JPG images locally in your browser.
Word to PDF Converter
Convert DOCX to PDF instantly, privately, with no file upload needed.
Password Protect PDF
Add AES-256 encryption to your PDF. Password never sent to any server.
Image Tools — No Upload
Compress, resize, convert, and remove backgrounds from images instantly in your browser.
Compress Image Without Upload
Optimize PNG, JPG, and WebP images privately. No file size limit on most devices.
Remove Background Free
AI-powered background removal using ONNX Runtime — runs entirely locally.
Resize Image — Free & Private
Resize JPG, PNG, and WebP to exact dimensions without uploading to any cloud.
How Dumkera Keeps Your Files Private
Most online tools upload your documents to cloud servers in the US or EU — where they're processed, logged, and sometimes retained for days. Dumkera is fundamentally different.
We use WebAssembly (WASM) to ship the processing engine directly to your browser. Your files are read into browser RAM as ArrayBuffers, processed by a compiled WASM binary (PDF-Lib, FFmpeg, Tesseract.js), and the result is written to a local Blob URL. Open Chrome DevTools → Network tab while using any tool — you'll see zero outgoing requests carrying your data.