How Kalyvor keeps your files private
Encryption in transit, immediate deletion and what browser-side processing actually means.
4 min read
Convert, merge, compress, edit and secure any PDF right in your browser. Free to start, no sign-up — and every file is auto-deleted the moment the job finishes.
PDF tools live
File processing
Cloud processing
Auto-delete window
No signup needed
6 focused toolkits covering everything below.
Filter by category, search by name, and pick the exact tool for the job.
Turn .docx files into share-ready PDFs.
Full documents in 100+ languages, layout intact.
Pull tables straight into spreadsheets.
Clean, printable PDFs from .xlsx sheets.
Slides you can keep editing afterwards.
Pull clean tables out of any layout automatically.
See exactly what changed between two versions.
Change words directly inside the PDF.
Highlight, draw and leave comments.
Add a legally-binding signature.
Black out sensitive text for good.
Check that a signature is valid.
Optimize for fast web loading.
Streamline PDFs for the browser.
Ask questions and get answers with citations.
Key points from a long document in seconds.
Turn phone photos into clean PDFs.
Make images fully searchable.
Extract selectable text from scans.
Add a hidden text layer to scans.
Every pdf tool is fast, private and genuinely free — no dark patterns, no surprises.
Jobs run on dedicated workers and finish in seconds — no queue, no spinner you can go make coffee to.
Everything you upload is erased the moment the job finishes. Nothing is written to long-term storage, so there is no retention period to wait out.
Desktop, tablet or phone, any modern browser. Nothing to install, no plugins, no extensions.
Drop in a folder's worth of files and run the whole set through one tool in a single pass.
Encrypted in transit, never used to train models, never sold. Many tools never send the file at all.
Open a tab and go. No account needed to start, no download, no licence key to hunt for.
Convert, compress, merge or edit — search for exactly what you need.
Drag & drop your file or pick it from your device. Nothing to install.
Your finished file is ready in seconds — then it's auto-deleted from our servers.
Guides and walkthroughs for getting more out of PDF.
Encryption in transit, immediate deletion and what browser-side processing actually means.
4 min read
A practical walkthrough of queueing large jobs without babysitting the tab.
6 min read
A short decision guide for when two tools look like they do the same thing.
5 min read
From first upload to finished download in under a minute — the whole flow.
3 min read
Search 153 productivity tools and get the job done in one tab.