Free PDF Merge & Compress Online - Combine PDF Files & Reduce PDF Size 2026
India's free PDF merge and compress PDF tool - combine multiple PDF files into one and reduce PDF file size in one place. No signup. No watermark. All processing happens in your browser - your files never leave your device.
Use the Merge tab to combine PDF files for government form uploads - mark sheets, certificates, ID proof, caste certificate into a single PDF. Use the Compress tab to reduce PDF size to 100KB, 200KB, 500KB, or 1MB as required by SSC, UPSC, Railway, and Banking portals.
How to Merge PDF Files - Combine Multiple PDFs into One
This free PDF merge tool combines any number of PDF files into one document. Click the Merge tab and select your PDF files - mark sheets, degree certificates, ID proof, caste certificate, experience letters, or any other documents. You can drag to rearrange the order before merging. Click Merge PDFs to combine them and download the single merged file. The merged PDF maintains the full original quality of all input documents. Need to convert images first? Use the JPG to PDF Converter to convert photos and scanned images to PDF, then merge all PDFs here into one file for portal upload.
How to Compress PDF and Reduce PDF File Size
Use the Compress tab to reduce PDF size for portals with strict file size limits. Upload your PDF, choose a compression level, and download the smaller file. Low compression keeps the best quality with modest size reduction - good for already-small PDFs. Medium compression reduces PDF file size by 40-70% while keeping text and photos readable at normal zoom - ideal for most government form uploads. High compression gives the smallest file size with some image quality reduction - best when you need to compress PDF to 100KB or compress PDF to 200KB. After compressing, open the file to verify all text and signatures are readable before uploading. Use the Image Resizer if you need to compress individual photo files before converting to PDF.
PDF Size Limits for Popular Government Portals - Quick Reference
Each government portal has different PDF size limits. SSC (CGL, CHSL, MTS): up to 2MB for document PDF. UPSC Civil Services: up to 5MB per document. Railway RRB (NTPC, Group D): up to 1MB. IBPS PO and SBI PO: 200KB to 500KB per document. IBPS Clerk and SBI Clerk: up to 500KB. State PSC exams: typically 1MB to 2MB. Aadhaar and PAN Card processes: up to 1MB. Use this compress PDF tool to hit the exact limit - compress to High for portals requiring 100KB-500KB, Medium for portals allowing 500KB-2MB. After merging and compressing, use the JPG to PDF tool if you need to add more image-based documents.
Frequently Asked Questions
Merge PDF and Compress PDF - Tips for Best Results
For the cleanest merge PDF results, make sure all input files are standard PDFs - not password protected. If you have scanned images, convert them using the JPG to PDF Converter first. Arrange documents in a logical order before merging - most portals expect mark sheets ordered from 10th to degree, followed by certificates, then ID proof. For compress PDF best results, if your PDF contains mostly text it will compress more than one with many photos. If Medium compression still exceeds the portal limit, try High. If High compression makes the document unreadable, reduce the number of pages or image quality in the source before merging.
More Free Tools for Your Application
After merging and compressing your documents, use these tools to complete your application. Convert images and scans to PDF with the JPG to PDF Converter. Resize photos to exact KB with the Image Resizer - 20KB for SSC, 50KB for UPSC. Create passport-size photos with the Passport Photo Maker. Merge photo and signature for portals with the Photo and Signature Joiner. Build your CV with the free Resume Maker. Check age eligibility with the Age Calculator.
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