All your conversion work, in one place— simple & fast

Your files stay private and secure. All processing runs inside your browser — nothing is uploaded to or stored on our servers. Personal documents, photos, videos, and text are never shared with third parties. When you close the tab, local data is typically cleared automatically. This local-first approach is ideal if you care about privacy and confidentiality.

Yes! Every tool is mobile-friendly and responsive on Android, iPhone, tablets, and desktops. No separate app download or installation is required. Upload, edit, preview, and download files directly from your phone browser. Sliders, buttons, and previews are designed to work well on touchscreens. Use the same tools at the office on a computer or at home on your phone.

SohozKaj supports PDF, JPG, PNG, WebP, GIF, MP4, MOV, AVI, MP3, DOCX, and many other common formats. Each tool page lists exactly which formats it accepts and outputs. Check the specific tool before you start if you are unsure about compatibility. Files from phones, cameras, and scanners usually work without extra steps. If you need a format we do not yet support, contact us and we will try to add it.

Most tools can handle files up to around 100 MB. The exact limit also depends on your device RAM, processor, and browser, because processing happens locally. Very large files may take longer — keep the tab open and wait for completion. Medium-sized files usually give the best balance of speed and reliability. Devices with more RAM tend to handle bigger files more smoothly.

Most tools support batch processing with multiple files at once. PDF merge, split, compress, and image-to-PDF tools let you add many files in a single session. Preview all results together before downloading what you need. Batch mode saves time for office work, school projects, and personal tasks. You do not need to repeat the same steps file by file.

Compression level affects how much the file size drops and how much visual quality changes. SohozKaj tries to keep quality as high as possible while reducing size. Light compression usually keeps text and images nearly unchanged; stronger compression shrinks the file more but may soften details. Choose the level yourself and preview before downloading. For email, web uploads, or form submissions, pick the balance that fits your requirement.

Yes! Use our Extract Images from PDF tool to pull images from every page or only selected pages. Download individual images as JPG or PNG, or export multiple pages at once. This is useful for presentations, reports, and social media reuse. All extraction runs in your browser, so your file stays on your device. You can also download a ZIP when you need many images together.

Our image converter is designed to preserve quality during format changes. When converting to JPG, a quality slider lets you control the trade-off between file size and sharpness. Higher quality means a larger file; lower quality means a smaller file. PNG to JPG usually reduces size; WebP can be even more compact. If your PNG has transparency, you can keep that where the output format supports it.

Usually resolution stays the same — compression mainly lowers bitrate to reduce file size. That makes videos easier to send on WhatsApp, Facebook, or email. Very heavy compression may introduce slight quality loss, so check settings and preview when available. Processing runs locally in your browser for privacy. You can compress from mobile as well as desktop browsers.

Yes! Our Bijoy ↔ Unicode tool converts legacy Bijoy-encoded Bangla to modern Unicode and back. This is essential for reading old documents, press releases, and office files in current fonts. Paste large blocks of text and convert in one step. Copy the result or download it as a text file. Both directions are supported for editing and publishing workflows.

You need internet only to load the page the first time. After that, QR generation works offline because everything runs in your browser. Create codes for website links, phone numbers, WiFi passwords, or plain text. Download as PNG or SVG for print, posters, or social posts. You can also customize colors, size, and logo placement on supported tools.

Yes! Use Protect PDF to add a password and control permissions such as printing or copying. Unauthorized users cannot open or duplicate protected content without the password. This helps when sending contracts, personal records, or official documents. You can restrict opening only, or block print and copy actions as needed. The original file on your device remains separate until you save the protected copy.

No — your original file stays unchanged on your device. The tool produces a new copy with the watermark applied. Add logo, text, or semi-transparent marks to protect copyright on images or PDFs. Watermarks are useful before sharing on social media or sending previews to clients. Adjust position, size, and opacity to match your layout.

PDF crop lets you select a specific region on each page and remove the rest to create a cleaner document. Use it to trim margins, headers, footers, or blank areas from scanned pages. Helpful for organizing scans, preparing slides, or fixing pages before printing. Each page can be cropped individually if needed. Preview the result before downloading the new PDF.

Absolutely! Every SohozKaj tool can be used unlimited times at no cost. There is no daily cap, credit system, or pressure to upgrade to a paid plan. Process hundreds of files in one day if you need to. Suitable for personal use, education, and small business workflows. Just reload the page and start again whenever you need another file processed.

After download, rename the file on your device like any other file. Many tools also let you set a custom filename before saving — for example nid.pdf or compressed.pdf. Clear names make files easier to find later in Downloads or shared folders. ZIP downloads can include multiple named files in one archive. Pick a name that matches how you organize your documents.

Once the page has loaded, processing happens entirely in your browser, so connection speed does not slow down the actual work. Only the initial page load needs internet — on a slow link that step may take longer. After loading, compress PDFs, edit images, or trim videos as usual. On mobile data, load once and continue working without relying on fast uploads. Behavior may vary slightly by tool, but core processing stays local.

Yes! We regularly add and improve tools based on user needs. If something you need is missing, tell us through the contact page and we will consider it. New tools appear on the SohozKaj tools page and homepage when released. Existing tools also get performance and usability updates over time. Your feedback directly helps us decide what to build next.

Use the Contact page on the main SohozKaj site to reach our team. Describe what happened, which tool you used, and attach a screenshot if possible — that helps us fix issues faster. We aim to respond and resolve problems as quickly as we can. Your reports and suggestions also help us improve the site for everyone. Do not hesitate to write in Bangla or English.