How do I merge PDF files online for free without signup?

Go to tools.arkaserve.com/merge-pdf, drag and drop your PDF files, reorder them if needed, and click Merge. Download the combined PDF instantly — completely free with no signup, no watermark, and no email required. Works on mobile too.

How do I compress a PDF to reduce its size below 1MB?

Go to tools.arkaserve.com/compress-pdf, upload your PDF, select High compression, and download the smaller file. Most image-heavy PDFs reduce by 60–85%, easily bringing a 4MB file under 1MB. Free, no signup, no watermark.

How do I convert PDF to Word (DOC/DOCX) for free?

Go to tools.arkaserve.com/pdf-to-word, upload your PDF file, and click Convert. You get an editable Word (.docx) document instantly — completely free with no signup, no email, and no watermark required.

Can I convert PDF to Excel (XLSX) online for free?

Yes. Go to tools.arkaserve.com/pdf-to-excel, upload your PDF, and the tool automatically detects and extracts tables into an editable Excel spreadsheet. Free with no signup or watermark.

How do I convert JPG photos to PDF on my phone for free?

Go to tools.arkaserve.com/jpg-to-pdf in any mobile browser, tap to upload your photos, arrange the pages in order, and download the PDF — all from your phone. No app needed, completely free with no watermark.

Is Arkaserve Tools completely free — no hidden charges?

Yes, all 60+ tools on Arkaserve Tools are completely free with no signup, no watermark, no email required, and no hidden charges. There is no premium tier — every tool is fully free for unlimited use.

Are my files private when I use these PDF tools?

Yes. Files are processed securely and automatically deleted from the server within 1 hour of upload. Several tools (PDF editor, image compressor, HEIC converter, hash generator) process files entirely in your browser — your files never leave your device.

How do I create a QR code for a URL or WhatsApp for free?

Go to tools.arkaserve.com/qr-generator, select URL, WhatsApp, or any other type, enter your content, and download a high-resolution PNG QR code — no signup, no watermark, no expiry date. Free for business, personal, or commercial use.

Code Diff Viewer Online Free -- Compare Code Changes

Code Diff Viewer Online Free — Compare Code ChangesCompare two code snippets and see every added, removed, and changed line highlighted side-by-side online for free. Works with any programming language.How to use Code Diff Viewer — step by step

Paste your code — Add the original version in the left panel and the updated or modified version in the right panel. Works with any language: Python, JavaScript, Java, C++, HTML, CSS, SQL, YAML, JSON, shell scripts, and more. Common uses: reviewing what changed in a pull request before merging, checking what a teammate modified in a shared file, comparing two versions of a config file, or auditing changes between a dev and production environment.

Differences are highlighted automatically — Added lines appear in green, removed lines in red, and unchanged lines are shown normally. The side-by-side layout keeps both versions in context, making it easy to understand what was changed, what was deleted, and what was added without losing your place in the file.

Review and action — Scroll through both panels to understand every change. Copy lines from either version or use the diff as a checklist for code review. Completely free, no signup, works on any phone or laptop.

Frequently asked questionsHow do I compare two versions of code or a file online?Paste the original version in the left panel and the updated version in the right panel at tools.arkaserve.com/code-diff. Added lines are highlighted green, removed lines red, and unchanged lines white — side by side. Works with Python, JavaScript, Java, HTML, CSS, SQL, YAML, JSON, and any other text-based format. Completely free with no signup.Can I use the code diff tool for config files and YAML?Yes. The diff viewer works with any plain text — source code, YAML and JSON config files, SQL migration scripts, Dockerfiles, shell scripts, or any other structured text. Paste the two versions and every change is highlighted instantly. This is useful for comparing Kubernetes manifests, Docker Compose files, environment configs, or GitHub Actions workflows between environments.Is there a line limit for code comparison?The tool works well with files up to a few thousand lines comfortably in the browser. For very large files (10,000+ lines), performance may be slower — compare specific functions or sections rather than the full file for faster results. Completely free with no signup and no daily limit.