Free Invoice & Business Document Templates
Fill Online. Download PDF Instantly.
Create polished PDFs from 30+ free invoice and business document templates. Fill online, preview, and download instantlyโno sign-up. Plus free PDF tools.
Professional invoices in minutes
30+ free invoice and document templates โ fill online, download PDF instantly. Plus PDF tools when you need them.
Tools You'll Use Every Day
Invoice templates first, plus PDF tools and everyday utilities โ all free.
Explore a complete project workflow
Related forms for the key stages of a project, brought together in one workflow.
Construction & Renovation Pack
From the first estimate to final sign-off.
Cleaning Service Document Pack
From the first inquiry to a clear visit record and invoice.
โฆand more tools added regularly. Suggest a tool โ
Why use SleekKitBox instead of paid tools?
We believe essential document tools should be free for everyone.
SleekKitBox
- โ All 20+ tools completely free
- โ No account, no sign-up
- โ PDF working files: hourly cleanup
- โ Unlimited usage
- โ English and Spanish interface
- โ 100MB file limit
Typical PDF software
- โ $10โ$30/month subscriptions
- โ Account required to use
- โ Files stored on their servers
- โ Usage limits on free tiers
- โ English only, often
- โ Small file limits
Made for everyone who works with documents
For freelancers
Create professional invoices, protect your portfolios with watermarks, and merge client documents โ all without expensive software.
For students
Combine research PDFs, convert images to documents, count words for essays, and format JSON for programming assignments โ for free.
For small businesses
Protect contracts, compress large files for email, create QR codes for marketing, and bill clients with professional PDF invoices.
Guides & tips
Learn how to get the most from document tools.
Frequently Asked Questions
Everything you need to know about SleekKitBox.
Yes, all our tools are completely free to use. We're supported by advertisements.
No registration required. Use all tools immediately without signing up.
Files are processed on our server. An hourly cleanup task deletes temporary working files it finds that are older than 60 minutes; delays or deletion failures may extend retention. See our Privacy Policy and avoid uploading sensitive files unless you are comfortable with that handling.
Most PDF tools accept PDFs up to 50MB; the watermark tool accepts PDFs up to 100MB. Image uploads are limited to 20MB per image.
Absolutely. All tools are free for personal and commercial use. There are no restrictions on how you use the output files.
Currently English, Spanish, Portuguese, and Chinese. More languages are planned. Switch anytime from the navigation menu.
Ready to create your first invoice?
Browse 30+ free templates โ fill online, download PDF instantly.
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