What is the fastest free way to compress a PDF online?
Use PdfPixels Compress PDF to upload a document, choose a compression level, and download a smaller PDF without creating an account.
The complete PDF & image toolkit — free forever
Free online PDF & image tools that just work
Compress, convert, edit, and sign files in seconds — right in your browser.
Try Compress PDF
No signupPrivate & secure105+ free toolsResults in seconds
Popular right now
View all toolsMost Popular Tools
7 toolsOur most-used image & PDF tools
Organize PDF
15 toolsMerge, split, reorder, and arrange PDF pages
Optimize PDF
14 toolsCompress, repair, and optimize PDFs for web, email, and print
Convert PDF
14 toolsConvert PDFs to and from Word, Excel, PowerPoint, images, and text
Edit & Sign PDF
6 toolsSign, fill, redact, watermark, and inspect PDF documents
PDF Security
2 toolsPassword-protect and unlock PDF documents safely
Basic Editing
13 toolsEssential image editing tools — crop, rotate, flip, watermark & more
Effects & Filters
13 toolsApply blur, pixelate, grayscale, and creative effects
DPI & Quality
2 toolsCheck, convert DPI and enhance image resolution
Format Conversion
13 toolsConvert between image formats — JPG, PNG, WebP, HEIC, AVIF
Signature Tools
3 toolsCreate, resize, and merge digital signatures
Image Metadata
3 toolsView, edit, and remove EXIF data from your images
105+
Free Tools
8+
File Formats
None
Account required
Free
Cost
Get files ready for work, email, and applications
Start with your task. These guides explain the settings to choose, the limits to check, and how to review your file before sharing it.
Prepare PDFs for email
Reduce PDF size for Gmail, Outlook, and portal upload limits without losing readability.
View stepsOpen iPhone photos on Windows
Convert iPhone HEIC images to JPG format directly on your Windows PC.
View stepsCombine documents on Windows
Quickly merge and combine multiple PDF files on Windows without installing software.
View stepsAdd a signature to a PDF
Add legal electronic signatures, draw or type signatures, and sign PDF contracts online without creating an account.
View stepsSplit a PDF to fit an upload limit
Divide an oversized PDF into parts that each stay under Gmail, Outlook, or portal size caps — automatically.
View stepsPrepare photos for application forms
Quickly optimize image file size to 50KB for portals, job forms, and exam applications.
View stepsSimple Process
How It Works
Three simple steps. No accounts, no installations, no hassle.
1
Upload Your File
Drag & drop or browse. Supports JPG, PNG, WebP, HEIC, PDF and more.
2
Adjust Settings
Configure quality, dimensions, format, or effects to match your needs.
3
Download Result
Click process and download instantly. Most results in under 5 seconds.
How to Compress an Image
Reduce image file size while keeping it clear enough for web, email, or form uploads.
- 1Open the compressor. Go to the Compress Image tool on PdfPixels.
- 2Upload your image. Choose a JPG, PNG, WebP, or another supported image file.
- 3Adjust compression settings. Set a quality level or a target file size based on your use case.
- 4Process the image. Start compression and wait for the optimized output.
- 5Download the result. Save the compressed image once the preview and file size look right.
How to Merge PDF Files
Combine multiple PDF files into one document in a few quick steps.
- 1Open Merge PDF. Navigate to the Merge PDF tool on PdfPixels.
- 2Upload PDF files. Select the PDF files you want to combine.
- 3Reorder pages or files. Arrange the files in the order you want them to appear.
- 4Merge the documents. Start the merge process to create a single PDF file.
- 5Download the merged PDF. Save the finished document to your device.
Search and AI answers
Direct answers for common PDF and image tasks
PdfPixels is built for high-intent workflows: reduce file size, combine documents, convert formats, prepare application photos, and clean up files quickly on any modern device.
Open Compress PDF
Can I merge or split PDF files without installing software?
Yes. PdfPixels provides browser-friendly PDF merge, split, rotate, reorder, delete, watermark, and conversion workflows for everyday document jobs.
Which image tools are available for uploads, forms, and social media?
PdfPixels supports image compression, resizing, format conversion, background removal, passport photo creation, metadata cleanup, and OCR.
How do I convert HEIC photos from iPhone to JPG?
Open the HEIC to JPG converter, upload your photo, and download a widely compatible JPG ready for email, web, or forms.
How can I remove an image background for free?
Use Remove Background on PdfPixels: upload a photo, let AI isolate the subject, and download a transparent PNG with no signup.
How do I increase image file size for upload portals?
If a form rejects files under a minimum KB size, use Increase Image Size, set the target KB, and download a larger-compliant file.
Search and AI discovery
Everything you need to work with PDFs and images, in one place.
PdfPixels focuses on practical PDF and image workflows, descriptive tool pages, and answer-friendly content that helps users discover the right workflow quickly.
Tools available
105+
Coverage across PDF, image, conversion, and AI workflows.
Account required
No
Core workflows can start without signup friction.
Device support
Web
Designed for desktop and mobile browsers.
Limits shown
Per tool
Accepted formats and file limits are surfaced in each workflow.
What PdfPixels is best at
Structured workflows that map cleanly to search intent.
PDF workflows
Merge, split, compress, convert, reorder, rotate, and clean up PDF files.
Image workflows
Compress, resize, convert, crop, watermark, and prepare images for upload or print.
AI workflows
Remove backgrounds, enhance images, upscale visuals, and automate repetitive cleanup tasks.
Intent-led pages
Tool pages, use cases, comparisons, and tutorials are organized for direct answers and search discovery.
Popular entry points
High-intent tools users commonly discover first.
Compress Image
Reduce image file size instantly (up to 90%) without losing quality. Compress JPG, PNG & WebP fast and free.
Resize Image
Resize by pixels, cm, mm, or inches. Social media & document presets included.
Remove Background
AI-powered background removal. Get transparent PNG instantly.
Passport Photo Maker
Create passport & ID photos for any country. Auto-crop to official sizes.
Image to PDF
Convert one or multiple images to a single PDF document.
Merge PDF
Combine multiple PDF files into a single document instantly online. Drag and drop, no signup needed.
Split PDF
Extract pages or split PDF into multiple smaller files.
Trust signal
Privacy-aware processing and clear workflow messaging help users understand whether a task runs in the browser or on the server.
Coverage
PdfPixels spans file-size reduction, format conversion, upload preparation, document cleanup, and AI-assisted editing across one platform.
Reach
The site is built to surface tool pages, blog tutorials, comparisons, and use cases so different search and AI systems can route users to the right answer.
Real workflows
Built for jobs people actually do
PdfPixels focuses on everyday file tasks with clear steps and practical guides — not generic filler. Pick a workflow below or browse the full tool library.
Email-ready PDFs
Students & office users
Shrink large PDFs for Gmail, Outlook, and job portals without rewriting the whole document.
Compress PDFForm & portal photos
Applicants & freelancers
Hit exact KB limits (20KB–200KB), passport dimensions, and common ID photo sizes for uploads.
Compress ImageiPhone HEIC compatibility
Mobile photographers
Convert HEIC photos to JPG so Windows, web forms, and email clients open them without plugins.
HEIC to JPGProduct & profile cutouts
Sellers & creators
Remove backgrounds for listings, headshots, and graphics, then export a transparent PNG.
Remove BackgroundCombine & split documents
Teams & freelancers
Merge invoices or reports into one PDF, or extract only the pages you need to share.
Merge PDFPrivacy-minded processing
Everyone
Many image tools run in your browser. Server-side jobs process files for the task, then discard them — no account wall for core tools.
Read privacy policyTrust and quality
Tooling you can depend on for documents that matter
PdfPixels is built to stay fast and predictable under real work: contracts, applications, invoices, photos, and everything in between.
Built for trustFast completion
Clean, professional tooling for image and PDF work.
Every workflow follows the same promise: upload confidently, get a high-quality result, and download immediately. No clutter, no watermarks, no surprises.
Private by design
Browser-based tools process files on your device whenever possible — nothing is stored after your session ends.
Reliable results
Professional defaults and clean exports across every PDF and image workflow, with no watermarks.
No signup friction
Move from upload to final file in seconds — no account walls, no queues, no distractions.
105+
Tools ready
Broad coverage for compression, conversion, editing, and document workflows.
PDF + Image
One platform
A single polished experience for the document and image jobs you actually need.
Seconds
Typical job time
High-quality exports and strong defaults, from upload to finished download.
Guides & learning
Browse all guidesIn-depth articles, not filler
Step-by-step explainers for PDF size limits, HEIC conversion, email attachments, and free editing workflows — written for real tasks.
PDF Tools
Compress PDF: The Complete 2026 Guide
Stuck with a 45MB document that refuses to email or upload? Here is how to compress PDF files without blurry scans, broken text, or watermarks — backed by real benchmarks across 500+ documents.
14 min readRead guide
PDF Tools
PDF to Word: How to Convert PDF Into an Editable Document (2026)
Stuck with a PDF you need to edit? Here is how to convert PDF to Word (.docx) free — what converts cleanly, why scanned PDFs misbehave, how tables survive the trip, and the exact workflow that keeps formatting intact.
8 min readRead guide
Image Tools
How to Resize a Photo to 600×600 Pixels for DV Lottery and Visa Forms
The Diversity Visa lottery, most US visa applications, and many online forms reject photos that are not exactly 600×600 pixels. Here is how to crop and resize any photo to 600×600 in under a minute — free, in your browser.
7 min readRead guide
PDF Tools
How to Fill Out a PDF Form Online for Free (No Printer, No Adobe)
A PDF form arrives, and the familiar dance begins: print it, fill it by hand, scan it back. You can skip all three steps. Here is how to type directly into any PDF form and download the completed file — free, in your browser.
8 min readRead guide
PDF Tools
How to Scan Documents With Your Phone and Turn Them Into One Clean PDF
No scanner, no problem. Your phone's camera plus three free browser tools turn any stack of paper into a single, compressed, portal-ready PDF — here's the exact workflow that produces scans people mistake for a real scanner's output.
7 min readRead guide
Image Tools
Combine Your Passport Photo and Signature Into One Image for Exam Forms
Thousands of application forms ask for a photo and a signature uploaded as one combined image — usually 140×60 pixels, under 20KB, in JPG. Here is the exact way to build that composite correctly, without the signature floating in white space or the photo getting squashed.
6 min readRead guide
FAQ
Frequently Asked Questions
Quick answers about our free image and PDF processing tools.
What can I do on PdfPixels?
PdfPixels helps with PDF and image tasks such as compressing files, resizing photos, converting formats, merging PDFs, splitting PDFs, and removing image backgrounds.
Do I need to create an account to use PdfPixels?
No. PdfPixels is designed so users can start core PDF and image workflows without creating an account first.
Does PdfPixels support mobile browsers?
Yes. The platform is designed to work across desktop and mobile browsers for common PDF and image tasks.
What is PdfPixels?
PdfPixels is a free online platform for PDF and image workflows such as compression, resizing, conversion, background removal, and document editing. It currently offers 105+ tools without requiring account creation for core tasks.
How do I compress an image online for free?
Open the Compress Image tool on PdfPixels, upload a JPG, PNG, WebP, or related format, choose your quality or target-size settings, and download the optimized result.
Is PdfPixels free?
Yes. PdfPixels offers free access to its core PDF and image workflows, including compression, conversion, resizing, and several AI-assisted tools.
How do I resize an image to pixels, cm, or inches?
Use the Resize Image tool, upload your photo, enter your target dimensions in pixels, centimeters, or inches, and download the resized version.
What file formats does PdfPixels support?
PdfPixels supports common image formats such as JPG, JPEG, PNG, WebP, HEIC, GIF, BMP, TIFF, and PDF workflows for merge, split, compression, conversion, and page editing.
How do I convert PNG to JPG?
Upload your PNG image to the PNG to JPEG converter, let the conversion finish, and download the JPG output instantly.
How do I merge PDF files?
Open Merge PDF, upload the PDF files you want to combine, reorder them if needed, and download the merged document.
Is PdfPixels safe?
PdfPixels uses privacy-aware processing and clear workflow messaging. Depending on the tool, processing can happen in the browser or on the server, and the platform explains those differences on each page.
How do I remove an image background?
Upload your image to the Remove Background tool and let the AI isolate the subject. You can then download the result as a transparent PNG.
Does PdfPixels work on mobile?
Yes. PdfPixels is designed to work on desktop and mobile browsers, including iPhone, Android, and tablet devices.
How do I make a passport photo online?
Use Passport Photo Maker, upload your image, select the target document format or country preset, and export the resized result.
What are the upload limits?
Upload limits vary by tool. PdfPixels shows the current file limits and accepted formats inside each workflow before processing starts.
Free · no signup · works in your browser
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