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.
Spain
Herramientas PDF e imagen gratis para trámites oficiales, oposiciones y empleo
En España y países hispanohablantes, las sedes electrónicas (Seguridad Social, SEPE, Agencia Tributaria, extranjería u oposiciones) exigen PDFs comprimidos a menos de 2 MB o 5 MB y fotos en formatos estándar. PdfPixels permite unir expedientes, reducir el peso de documentos y transformar fotos de iPhone al instante sin coste ni registro.
Unir expedientes en un solo PDF
Juntar solicitudes, DNI y certificados en un único archivo ordenado.
Open tool →Comprimir PDF para sedes electrónicas
Bajar de 2 MB o 5 MB manteniendo el texto legible para evitar rechazos.
Open tool →Extraer texto de PDFs escaneados con OCR
Reconocer texto en imágenes y documentos escaneados fácilmente.
Open tool →PDF SuiteAll-in-One Hub
Need all 52 PDF Tools in Spain?
Instantly access our full PDF workstation: merge, compress, split, convert to/from Office, sign documents, and OCR with client-side privacy protection.
Local tips for Spain
- • Las sedes electrónicas rechazan frecuentemente archivos que superan los límites de tamaño permitidos.
- • Privacidad y RGPD: procesado en el navegador o borrado automático seguro del servidor en menos de 60 minutos.
- • Para trámites con firmas digitales, une los documentos antes de estampar los certificados.
FAQ for Spain
¿Es PdfPixels gratuito en España y Latinoamérica?
Sí. Todas las herramientas centrales son gratuitas y no requieren registro de cuenta.
¿Cómo reduzco el tamaño de mi PDF para subirlo a la sede electrónica?
Entra en Comprimir PDF, sube tu archivo, selecciona el nivel de compresión deseado y descarga el PDF optimizado.
Tools people in Spain use most
Compress, convert, and edit files in seconds. Fast, free, and de confianza en España y Latinoamérica.
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7 toolsOur most-used image & PDF tools
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15 toolsMerge, split, reorder, and arrange PDF pages
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14 toolsConvert PDFs to and from Word, Excel, PowerPoint, images, and text
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13 toolsEssential image editing tools — crop, rotate, flip, watermark & more
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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
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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
Simple 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.
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.
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.
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