Blog & Guides
Every hands-on guide we've written for each RizeTab tool lives here. No sign-up, no uploads — everything runs in your browser.
2026-09-04 · PDF guide
How to Reduce PDF File Size
Understand how DPI, images, fonts, and compression methods affect size, quality, and document features.
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2026-09-04 · Image guide
JPG vs PNG vs WebP
Choose the right format for photos, screenshots, logos, and web delivery based on compression, transparency, and compatibility.
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2026-08-24 · JSON guide
What Is JSON? How to Format and Validate It
Learn objects, arrays, keys, values, validation, minification, and common syntax fixes.
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2026-08-24 · Text guide
How to Change Text Case
Choose uppercase, lowercase, sentence case, or title case and review the result safely.
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2026-08-21 · Text guide
How to Count Words and Characters
A practical guide to text limits, whitespace, emoji, and reliable final checks.
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2026-08-13 · 5 min read
How to Split a PDF and Extract Pages Online
Extract selected pages or save every page separately without uploading your PDF.
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2026-08-13 · 6 min read
How to Resize Images Without Losing Quality
Learn pixel dimensions, aspect ratio, quality settings and image formats.
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2026-07-30 · 4 min read
How to Compress Images Online? PNG / JPEG / WebP
Learn how to shrink your photos without installing software or uploading them to a server. Quality slider, format choice, and FAQs.
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2026-07-30 · 4 min read
How to Remove a Background? Using On-Device AI
Learn how to remove the background from a photo using on-device AI, without uploading it to a server.
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2026-07-30 · 4 min read
How to Compress PDF Files Online? Why It Should Happen in Your Browser
Learn how to shrink your PDF file's size without installing software or uploading it to a server.
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2026-07-29 · 5 min read
How to Convert Files Online? (JPG, PNG, WEBP, PDF)
Learn how to convert your JPG, PNG, WEBP and PDF files right in your browser, with no software to install and completely free.
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2026-07-24 · 4 min read
How to Merge PDF Files Online? (Free and Secure)
Learn how to combine multiple PDF documents into one single file in seconds without downloading any software.
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2026-07-23 · 3 min read
What is RizeTab? Free Web Tools Platform
RizeTab is a free, browser-based platform for tools like Image Compressor and PDF Merge — no installs, no uploads, no cost.
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