DiemDesk

The whole toolkit, at a glance

Every document job — right on your device.

A complete document toolkit — PDF, image, video & utilities — where the everyday tools run 100% in your browser. Private by architecture, not by promise. Free where it costs us nothing; Pro where it earns its keep.

80
live today · 114 on the roadmap
92
run on your device
22
use our server or AI
$5
Pro/mo billed yearly · founding $4.99

Why DiemDesk wins

Three moats competitors can’t cross

The online tools from iLovePDF, Smallpdf and Adobe are server-first — every file uploads to them. DiemDesk is device-first. That one choice creates advantages they’d have to rebuild their stack to match.

Privacy

Provable, not promised

The everyday tools open and rebuild your file on your device — nothing is uploaded, stored, scanned or trainable. Competitors process everything on their servers.

The proof: open DevTools → Network. Zero requests. You can’t fake that.

Convenience

One private workspace

PDF, image, QR, video & utilities in one place — no ads, no signup, no watermark, no daily wall on in-browser tools. Chain tools into saved workflows instead of hopping sites.

The feel: a premium app, not a single-purpose upload form with ads.

Determinism

The answer to “why not just AI?”

Real tools give the same exact result every time — no hallucinations, no “regenerate.” AI is embedded as a feature, not the product you’re betting your document on.

The trust: a redaction you can verify, a signature you can prove.

What runs where

114 tools · 92 on your device

The green on device badge means it runs in your browser — free & unlimited, forever. Server-side Office conversions are 3 free a day, then Pro. Tools tagged coming soon aren’t live yet — 80 of the 114 are available today.

live coming soonon device free & unlimited3/day free daily → Pro unlimitedPro paid plan
Organize PDF15/17 live
  • PDF vieweron device
  • Merge PDFon device
  • Split PDFon device
  • Compress PDFon device
  • Compress to sizeon device
  • Rotate PDFon device
  • Reorder pageson device
  • Compare PDFon device
  • Delete pageson device
  • Split pages in halfon device
  • Pages per sheeton device
  • Change page sizeon device
  • Rasterize PDFon device
  • Crop PDFon device
  • Page numberson device
  • Add bookmarkson device
  • Repair PDFon device
Convert to PDF6/10 live
  • Scan to PDFon device
  • JPG to PDFon device
  • Word to PDFserver3/day
  • PowerPoint to PDFserver3/day
  • Excel to PDFserver3/day
  • HTML to PDFserver3/day
  • Webpage to PDFserver3/day
  • EPUB to PDFon device
  • Markdown to PDFon device
  • SVG to PDFon device
Convert from PDF12/15 live
  • PDF to JPGon device
  • Extract imageson device
  • PDF to Wordserver3/day
  • PDF to PowerPointserver3/day
  • PDF to RTFserver3/day
  • PDF to HTMLon device
  • PDF to ODTserver3/day
  • OpenDocument to PDFserver3/day
  • PDF to Excelon device
  • PDF to Markdownon device
  • PDF to EPUBon device
  • PDF to Texton device
  • PDF to Audioon device
  • Bank statement to Excelon device
  • PDF to PDF/Aserver3/day
Edit & sign10/14 live
  • Edit PDFon devicePro
  • Annotateon device
  • Watermarkon device
  • Overlay PDFon device
  • Bates numberingon device
  • Remove metadataon device
  • Edit PDF detailson device
  • Share-Safe PDF Checkon device
  • Redact PDFon devicePro
  • Sign PDFon device
  • Fill PDF formon device
  • Flatten PDFon device
  • Protect PDFon device
  • Unlock PDFon device
AI & scan1/6 live
  • Clean scanned PDFon device
  • OCRserverPro
  • Chat with PDFAIPro
  • SummarizeAIPro
  • TranslateAIPro
  • Question generatorAIPro
Generators3/3 live
  • QR generatoron device
  • QR scanneron device
  • Passwordon device
Images & media10/15 live
  • Compress imageon device
  • Resize imageon device
  • Crop imageon device
  • Convert imageon device
  • HEIC to JPGon device
  • Background removeron device
  • Passport & ID photoon device
  • Blur & remove metadataon device
  • Compress videoon device
  • Video to MP3on device
  • Audio converteron device
  • SVG to PNGon device
  • Subtitle converteron device
  • Favicon generatoron device
  • Video to GIFon device
Everyday utilities4/5 live
  • Folder previewon device
  • Word counteron device
  • Unit converteron device
  • JSON formatteron device
  • Color pickeron device
Developer tools9/9 live
  • Base64on device
  • URL encodeon device
  • HTML entitieson device
  • Hash generatoron device
  • JWT decoderon device
  • UUID generatoron device
  • Regex testeron device
  • Timestampon device
  • JSON to YAMLon device
Data & spreadsheets2/7 live
  • CSV cleaneron device
  • CSV to JSONon device
  • CSV to Excelon device
  • Excel to CSVon device
  • JSON to Excelon device
  • XML to Excelon device
  • HTML to Excelon device
Text tools5/5 live
  • Text diffon device
  • Case converteron device
  • Slugifyon device
  • Sort lineson device
  • Lorem ipsumon device
Workspace3/8 live
  • Smart notesvault
  • Habit trackervault
  • Budget trackervault
  • Receipt scannerserverPro
  • Workflowson devicePro
  • Client packet builderon device
  • File vaultvaultPro
  • Link in bioserverPro

Beyond parity

Tools no other PDF site ships

Matching iLovePDF and Smallpdf is table stakes. These are the ones that make DiemDesk best-in-class — most run on your device, a few are AI. Live ones you can use today; the rest are on the roadmap.

Bank statement → Excel & TallyPro

Statement PDF → a transaction table where every row is checked against the running balance — then export to Excel, CSV or Tally. Processed on your device: the one document you should never upload.

On the roadmap

Compress to exact sizefree

Hit a precise KB/MB limit for exam, visa & court portals — not just “smaller”.

Live now

PDF → Excelfree

Bank statements & tables → an editable spreadsheet, converted on your device.

Live now

Chat with PDFPro · AI

Ask your document and get answers with the exact page they came from.

On the roadmap

AI auto-redact PIIPro · AI

Find names, SSNs, emails & IDs and redact them automatically.

On the roadmap

Natural-language commandsPro · AI

“Delete blank pages”, “redact all emails” — typed into the ⌘K palette.

On the roadmap

Sanitize / clean PDFfree

Strip hidden metadata + embedded scripts, entirely on your device.

On the roadmap

Semantic comparePro · AI

What actually changed between two versions — meaning, not pixels.

On the roadmap

PDF → Markdownfree

Clean Markdown out of a PDF — for devs, notes and AI pipelines.

Live now

Markdown → PDF / Wordfree

A Markdown file into a polished PDF or Word document — headings, lists and tables kept.

On the roadmap

PDF → EPUBfree

A real e-reader book out of a fixed-layout PDF — chapters, cover, pictures in place, and right-to-left languages laid out properly.

On the roadmap

EPUB → PDF / Word / textfree

The return trip, with the chapters in the order the book itself declares.

On the roadmap

HTML → Excelfree

Every table on a web page into a spreadsheet — merged cells handled, which is what copy-paste gets wrong.

On the roadmap

Video → MP3 · audio converterfree

Pull the soundtrack out of a video, or convert M4A, OGG and FLAC to MP3 — in the browser, where other converters upload.

On the roadmap

Excel ↔ CSV · JSON → Excel · XML → Excelfree

The everyday spreadsheet conversions, on your device instead of an upload site — separators detected, dates readable, nested fields flattened.

On the roadmap

SVG → PNG / JPG / PDFfree

Vector artwork out to the formats everything else accepts — at any size, transparency kept.

On the roadmap

PDF → plain textfree

Just the words — running heads, page numbers and hyphen breaks cleaned up on the way out.

On the roadmap

Subtitles SRT ↔ VTTfree

A real rewrite rather than a renamed file, with a timing shift and a clean transcript option.

On the roadmap

Favicon packfree

One logo into every icon a site needs — including a genuine multi-size .ico.

On the roadmap

PDF → audio (read aloud)free

Listen to any document — accessibility and hands-free.

Live now

Speech → textfree

Dictate or transcribe, right in the browser.

On the roadmap

Bates numberingfree

Legal page-stamping for discovery and case files.

Live now

Trusted timestampPro

Cryptographic proof a document existed at a point in time.

On the roadmap

Accessible PDF (PDF/UA)Pro

Auto-tag PDFs so they meet the EU Accessibility Act.

On the roadmap

e-Invoice (Factur-X)Pro

View, validate & embed structured invoices — live EU mandates.

On the roadmap

Receipt → spreadsheetPro · AI

Photos or PDFs of receipts → clean rows for bookkeeping.

On the roadmap

One-drop workflowsfree

Merge · clean · sign · compress in a single drop.

On the roadmap

Mail-mergePro

One template + a CSV → many personalised PDFs.

On the roadmap

AVIF / WebP convertfree

The newer image formats, converted on your device.

On the roadmap

The model

Free where it costs us nothing. Pro where it earns its keep.

Free · forever
$0
No signup, no card, no catch.
  • Every everyday tool — PDF, image, video & utilities
  • Unlimited on-device tools — no daily limits
  • Big files free — up to 100 MB in your browser
  • Full-strength compression — Strong & Maximum
  • Sign PDFs now — annotate & basic redaction coming soon
  • 3 free Office conversions a day (PDF ↔ Word/Excel/PPT)
  • Video compress & Video → GIF
  • No ads, no watermarks, no signup
Pro
Pro · power users & business
$5.98/mo
or $5/mo billed yearly ($60/yr). First 1,000 founding members lock $4.99/mo for life.
  • Everything in Free — with more scale
  • Unlimited file size (free already handles up to 100 MB)
  • Batch processing — many files at once
  • Edit PDF text + Search & pattern redaction
  • Unlimited Office conversions + OCR — no daily cap, any size
  • AI document suite — chat, cited summaries, translate, question generator, AI find-personal-info, table clean-up (launching with Pro)
  • Saved one-click workflows
  • Priority speed & support
  • Encrypted File Vault — coming soon

The in-browser tools stay free & unlimited — they run on your device. Only the few server tools (Office conversions, OCR, AI) are metered: 3 free Office conversions a day, then Pro removes the cap.

The Pro moat

Pro features rivals structurally can’t copy

Built for professionals with sensitive, repetitive documents — legal, HR, accounting, healthcare, agencies. Each leans on the device-first architecture. ★ = flagship.

On-device batch★ flagship

Process 100 files at once — zero uploads. Rivals upload everything; they can't match private bulk.

Privacy

Redaction certificate★ flagship

Signed, exportable proof a document was truly scrubbed — 0 recoverable characters. A legal/compliance wedge.

Determinism

Saved workflows★ flagship

A one-click document assembly line — merge · clean · sign · share-safe · compress — run on a whole batch.

Convenience

Encrypted File Vault★ flagship

Zero-knowledge storage (Argon2 + AES-256). Even we can't read it — rivals' storage is server-readable.

Privacy

Self-destruct shares

Expiring, password-locked share links DiemDesk itself can't decrypt.

Privacy

Certificate of completion

DocuSign-style signed audit trail + verification hash for e-signatures.

Determinism

Bates numbering

Legal page-stamping — a standard paid feature that pulls in the legal vertical.

Convenience

Brand kit

Save logo / header-footer / watermark once, apply across a whole batch.

Convenience

Installable app

Add it to your home screen or desktop and it opens like a native app — no store, no installer.

Convenience

True re-encode Edit

Higher-fidelity in-place text-editing tier for Pro.

Determinism

Use it anywhere

One private toolkit — web today, native apps next

Start in the browser with nothing to install. It also works inside Claude, so you can convert a file by asking. Native iOS & Android apps are on the way — so you can open a PDF straight from Mail, Files or any app and it stays on your device.

WebLive

Every tool runs in any modern browser — nothing to install.

Install as an appLive

Add DiemDesk to your home screen or desktop (PWA).

iOS appComing soon

Native iPhone & iPad app — open PDFs straight from Mail & Files.

Android appComing soon

“Share to DiemDesk” from any app; full open-with support.

Inside ClaudeLive

Ask your assistant to convert a file and it happens, on your own disk.

Set it up →

End to end

How the in-browser tools actually work

No magic — just modern browsers. WebAssembly runs real document engines on your machine, so the file never leaves.

1

You drop a file

Read straight into the tab’s memory — never sent anywhere.

2

Your device does the work

WASM engines (pdf-lib, ffmpeg, codecs) process it locally, on your CPU.

3

You get the result

Built in-memory and downloaded — still nothing uploaded.

4

Nothing left behind

Close the tab and it’s gone. No account, no server copy, no trace.

The honest exception: a few tools genuinely need a server — Office conversions, OCR (they can’t run in a browser), and AI. For those we say so up front, send over an encrypted connection, and delete your file the moment it’s done — never stored, never read.