PDF Tools
All-in-one PDF toolkit: merge, split, compress, convert, and OCR your PDF files online.
📈 Target Minimum File Size (Guaranteed ≥ KB)
Lossless JPEG Q100 + standard COM segment padding for government & exam portals
Tap to choose your file Drop files here or click to browse
Automatic format identification and lossless transcoding across 201+ formats.
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PDF Tools TOOLS
Compress PDF to 500KB Online Free (Exact ≤ 500 KB PDF Reducer)
→Compress any PDF document to 500 KB or less (≤ 500,000 bytes) online for free. Ideal for government portals, university...
Compress PDF to 300KB Online Free (Exact ≤ 300 KB PDF Reducer)
→Reduce any PDF file size to 300 KB or less (≤ 300,000 bytes) online for free. Engineered for strict portal uploads (300...
Compress PDF to 1MB Online Free (Reduce Large PDF Under 1 MB)
→Compress large multi-page PDF reports, portfolios, and scanned documents to 1 MB or less (≤ 1,000,000 bytes) online for...
JPG to PDF Under 100KB Converter (Convert Photo to ≤ 100 KB PDF)
→Convert one or multiple JPG, PNG, or HEIC images into a clean PDF document guaranteed to be 100 KB or smaller (≤ 100,000...
PDF to PDF/A Converter Online Free (ISO 19005 Long-Term Archive)
→Convert any standard PDF into an ISO 19005 compliant PDF/A-2b archival document with embedded fonts and device-independe...
Image to PDF Converter
→Convert JPG, PNG, WebP, HEIC, and TIFF images into clean, print-ready PDF documents online—supports single receipts, ID...
Unlock PDF
→Remove owner printing/copying restrictions and decrypt password-protected PDF files instantaneously once you enter the k...
Protect PDF with Password
→Encrypt your PDF documents with bank-grade 256-bit AES encryption so only authorized recipients with the password can op...
Remove Pages from PDF
→Delete unwanted pages or page ranges (e.g., 2, 4-6) from any PDF file and download a clean, lossless document in seconds...
Rotate PDF Pages
→Rotate upside-down or sideways PDF documents by 90°, 180°, or 270° permanently without re-encoding text or vector graphi...
Flatten PDF — Lock Interactive Forms & Layers
→Merge interactive PDF form fields, digital stamps, annotations, and vector layers into a single non-editable, print-read...
Add Watermark to PDF — Custom Diagonal Text Stamp
→Stamp custom diagonal vector text watermarks (such as CONFIDENTIAL, DRAFT, COPY, or your company name) across every page...
Repair PDF — Fix Corrupted & Broken PDF Files
→Rebuild damaged cross-reference (xref) tables, broken object streams, and truncated PDF headers using dual QPDF + Ghosts...
PDF to Grayscale — Convert Color PDF to Black & White
→Convert full-color PDF documents, vector graphics, and embedded photos into true DeviceGray black-and-white to save prin...
Extract Images from PDF — Download Embedded Photos as ZIP
→Extract all embedded original images (or full high-DPI page renders) from any PDF document and download them packaged in...
HOW IT WORKS
Upload Your File
Drag and drop or browse to select your file. We support uploads up to 25 MB on the free plan.
Choose Output Format
Select your desired output format from the available options. We auto-detect the best conversion settings.
Download Result
Your converted file is ready in seconds. Download it immediately — files are deleted automatically for your privacy.
Need to Convert Gigabyte Archives or Mass Folders?
KaijuConverter delivers ultra-fast in-memory conversions for everyday tasks. For multi-gigabyte production workloads without browser bandwidth bottlenecks, explore high-throughput desktop suites.
One-time payment with zero recurring commitment: convert files up to 1 GB and 50-file batches for 24 hours.
Convert large videos, PDFs, and lossless audio directly in your browser—100% ad-free with priority queue.
High-throughput cloud pipeline for files up to 1,024 MB, 24-hour encrypted storage, and priority processing.
Convert thousands of camera RAW files (CR3, NEF, ARW) to WebP, AVIF, or TIFF in one pass.
GPU-accelerated RAW development with end-to-end 16-bit ICC color profile management.