SprinkleTools — Free Online PDF, Image & AI Document Tools Free online tools to compress, merge, split, convert, edit PDFs, remove image backgrounds, upscale images, create AI presentations, and much more. Over 30 tools available — no signup required. Your files are encrypted and deleted after every session. PDF Tools

Edit PDF — Add text, shapes, images, drawings, and signatures to any PDF

Compress PDF — Reduce PDF file size by up to 80% without losing quality

Merge PDF — Combine multiple PDF files into one document

Split PDF — Split a PDF into multiple files or extract specific pages

PDF to Word — Convert PDF files to editable Word documents

Word to PDF — Convert Word documents to PDF files instantly

Rotate PDF — Fix PDF page orientation instantly

Add Watermark to PDF — Add text watermarks to protect your documents

Delete PDF Pages — Remove unwanted pages from any PDF

Reorder PDF Pages — Rearrange pages in any order with drag-and-drop

Unlock PDF — Remove password protection from encrypted PDFs

Protect PDF — Add password protection and 256-bit AES encryption

Add Page Numbers — Automatically add page numbers to PDF documents

Extract Images from PDF — Download all images embedded in a PDF

AI-Powered Tools

Summarize PDF (AI) — Get an instant AI-powered summary of any document

Explain Document (AI) — Get plain-English explanations of complex documents

Extract Key Insights (AI) — Pull the most important findings from any document

Rewrite Document (AI) — Improve clarity, tone, and professionalism

Translate PDF (AI) — Translate documents into 50+ languages

Chat With PDF (AI) — Ask questions about any PDF and get instant answers

Extract Text from PDF (AI) — Pull all text from any PDF with OCR support

AI Presentation Maker — Auto-generate professional slide decks from any topic

Image Tools

Remove Background — Remove backgrounds from photos instantly with AI

Upscale Image — Increase image resolution up to 4x with AI

Enhance Photo — Improve photo quality, brightness, and clarity

Resize for Platform — Resize images for Instagram, LinkedIn, YouTube, and more

Convert Image Format — Convert between JPG, PNG, and WebP

Logo Generator (AI) — Generate logo concepts for your business

Social Post Image (AI) — Create eye-catching social media graphics

Cartoon Avatar (AI) — Turn photos into fun cartoon versions

Extend Image (AI) — Extend images beyond borders with AI outpainting

Convert

JPG to PDF — Convert JPG images to PDF files

Image to PDF — Convert JPG, PNG, and other images to PDF

PDF to JPG — Convert PDF pages to high-quality JPG images

PDF to PNG — Convert PDF pages to lossless PNG images

How It Works

Upload your file — Drag and drop or click to browse. Select any file from your computer.

We process it — Our tools process your file instantly in the cloud. Most take under 10 seconds.

Download & done — Download your processed file instantly. Files are deleted when your session ends.

Why SprinkleTools?

100% free to start — no credit card, no signup needed

SSL encrypted transfers with AES-256 encryption

Zero long-term data retention — files deleted after session

GDPR compliant, SOC 2 Type II, ISO 27001

30+ professional-grade tools

Processed in seconds, not minutes

Pricing Free forever: 40 credits/month, 10MB limit. Pro ($8/mo): 800 credits, 100MB. Pro+ ($19/mo): 3,000 credits, 500MB. Business ($69/mo): 10,000 credits, 1GB. View all plans . Frequently Asked Questions

Is SprinkleTools really free?

Yes! Free plan includes 40 credits per month, 10MB file limit, no signup required. Paid plans available from $8/month.

What happens to my files?

Files are automatically deleted when your session ends. We use SSL and AES-256 encryption, and never store documents long-term.

Do I need to create an account?

No! Many tools work without any account. Some AI tools require a free account.

How much can I compress a PDF?

Typically 20-80% reduction depending on content. Image-heavy PDFs compress the most.

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How to Fix Dark and Underexposed Photos

Enhance Photo

The Problem

You took photos in low light and they came out dark, grainy, and flat. The moment was perfect but the image quality doesn't do it justice.

The Solution

SprinkleTools' AI Photo Enhancer automatically fixes brightness, contrast, noise, and color balance to bring your dark photos back to life.

How to Do It

1

Open the Enhance Photo tool

2

Upload your dark or underexposed photo

3

The AI automatically improves brightness, contrast, and reduces noise

4

Preview the enhanced result

5

Download your improved photo

Ready to get started?

Try Enhance Photo free — no software to install.

Use Enhance Photo

Frequently Asked Questions

Will it look over-processed?

No — the enhancement is subtle and natural. It improves quality without making the photo look artificial.

Can it fix motion blur?

It can reduce slight blur, but heavily motion-blurred images may not be fully recoverable.

Related Use Cases

How to Restore & Enhance Old Yearbook and Childhood Photos

Old yearbook photos, childhood snapshots, and vintage family pictures are often faded, yellowed, grainy, or have poor contrast. These memories are priceless, but the image quality doesn't do them justice — especially when you want to share them, create photo books, or display them.