What are the best free AI tools?

OpenDesk offers 127 free AI tools including an AI slides maker, AI resume builder, PDF tools, image generator, code agent, SEO and writing tools.

Is there a free AI tool to create presentations?

Yes — OpenDesk's AI Slides Maker generates full presentations from a prompt for free.

What is the best free AI tool for coding?

OpenDesk's AI Code Agent generates, refactors and explains code across major languages, free to start.

Are SEO AI tools free?

OpenDesk includes 10 free AI-powered SEO tools for keyword ideas, meta tags, content briefs and on-page audits.

Yes — 5 generations per tool per day with no signup. Create a free account for unlimited generations, saved history, and cross-device sync. Paid plans unlock team workspaces, priority queue, and API access.

What output format do I get?

Plain text, formatted for readability. Copy, download, or share via link.

Where does my data go?

Split PDF runs 100% client-side using your browser's compute. Files and text never leave your device — safe for confidential material.

Can I share my output?

Yes — click *Share Setup* to copy a deep link that pre-fills the same inputs for the next person. Output itself can be copied, downloaded, or printed to PDF.

What if I hit the free limit?

Sign in (free) for unlimited generations on every tool. Or check /tools — over 120 tools cover the same task in different ways.

All Tools

Split PDF

PDF Master Suite

Split a PDF document into individual pages or custom page ranges.

100% Private — runs in your browser No signup for first 3 files

Free tier: 0/3 files used (rolling 30 days)3 left

Upload file

Drop file here or click to upload

PDF files

Page Ranges

Result

Upload a file and click Process.

Files never leave your device. Powered by browser-native processing.

What Split PDF does differently

Produces a ready-to-download file for split pdf.
Runs 100% in your browser with pdf-lib — your split PDF job never touches a server.
Controls: Upload PDF · Page Ranges — each one changes the result meaningfully.
Batch-friendly: queue several documents and process them in a single pass.
Keeps page dimensions, embedded fonts and annotations byte-accurate.

Technical spec

RuntimeIn-browser (WASM)

PrivacyFiles never uploaded

OutputDownloadable file

Typical time< 3s per file

PDF Tools

Pairs well with

Merge PDFCombine multiple PDF files into one

Remove PagesDelete specific pages from PDF

Extract PagesPull out specific pages from PDF

Organize PDFReorder PDF pages

Scan to PDFConvert scanned images to PDF

Compress PDFReduce PDF file size

How to use Split PDF

1
Open the tool
Go to Split PDF — no signup required for your first 5 generations per tool. Sign in for unlimited use, saved history, and team sharing.
2
Fill in 1 required field
The required input is Upload PDF. Click Try Example to autofill realistic sample data.
3
Tune optional settings
Refine the output with Page Ranges. These accept free-form text — be specific for better results.
4
Generate
The output is computed instantly in your browser — nothing is uploaded to a server.
5
Export & share
Copy, download (.txt), print to PDF, or hit Share Setup to send a pre-filled link to a teammate. Last 10 generations are saved locally; sign in to sync across devices.

Pro tips

Be specific in your inputs — vague prompts produce vague output. For Split PDF, naming concrete numbers, brand names, or constraints lifts quality dramatically.
Because Split PDF runs entirely in your browser, your data never leaves your device. Safe to use with confidential material.
Combine Split PDF with other OpenDesk tools — chain output into Writer Studio, SEO Studio, or Open Pilot for richer workflows.

Technical FAQ

More PDF Master Suite

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