📝 Knowledge Base

Guides, Tips & Tutorials

Practical guides on compressing, converting, and processing files — written by Jeeva, founder of PDFBucket. All tools referenced here are free and run in your browser.

OCR9 min read

OCR for Receipts and Invoices — How to Extract Data Accurately

Getting accurate text extraction from receipts and invoices — what works, common problems, and how to improve results.

JeevaDecember 1, 2026

Social Media13 min read

Complete Guide to Social Media Image Sizes (2026 Edition)

The definitive 2026 reference for every social media image dimension — posts, stories, banners, thumbnails, and profile photos.

JeevaNovember 1, 2026

Guides12 min read

WebP vs JPEG vs PNG vs AVIF — Which Format Should You Use?

A clear technical breakdown of the four major web image formats — and a decision guide for every use case.

JeevaOctober 22, 2026

Audio Tools9 min read

How to Extract Audio (MP3) from MP4 Video — Free, No Upload

Extract the audio track from any video file to MP3 — all processing happens in your browser, no uploads required.

JeevaSeptember 28, 2026

Image Tools10 min read

AI Background Remover — Best Practices for Clean Results

How to get clean, professional background removal results — what works, what does not, and how to improve difficult images.

JeevaSeptember 15, 2026

PDF Tools9 min read

How to Convert DOCX to PDF Online Free (No Server Uploads)

Convert Word DOCX files to PDF privately in your browser — no server uploads, no account, no watermarks.

JeevaSeptember 2, 2026

PDF Tools11 min read

How to Merge PDF Files Online Safely: A Complete Security Guide

Merge multiple PDF files in seconds without uploading sensitive documents to external servers. Safe, fast, and 100% private.

JeevaAugust 20, 2026

Design11 min read

How to Extract a Color Palette from Any Image (Free Tool 2026)

Extract the dominant colors from any image and get instant hex codes — free, browser-based, and perfect for designers and developers.

JeevaAugust 5, 2026

Reviews11 min read

11 Best Free Online File Tools (2026) — No Signup Required

Eleven free tools that run entirely in your browser — compress, convert, remove backgrounds, extract audio, merge PDFs, and more. Zero signup, zero cost.

JeevaJuly 22, 2026

Image Tools8 min read

How to Make Images Smaller on Your Phone Without Losing Quality

Your phone camera takes 10-15 MB photos. Most platforms don't need that. Here's how to shrink images to the right size on mobile in under 30 seconds.

JeevaJuly 9, 2026

OCR10 min read

How to Extract Text from an Image (OCR Guide 2026)

Extract text from any image or screenshot using Tesseract.js OCR — running entirely in your browser with no uploads.

JeevaJuly 8, 2026

PDF Tools10 min read

PDF vs Word: When to Use Which Format (Complete 2026 Guide)

PDF locks your formatting permanently. Word keeps it editable. Here's when each one is the right choice — and how to convert between them instantly.

JeevaJuly 5, 2026

Image Tools9 min read

How to Reduce Image File Size for Web (Without Losing Quality)

Smaller images mean faster pages and better Google rankings. Here's the complete no-fluff guide to getting file sizes down without sacrificing visual quality.

JeevaJuly 1, 2026

Guides7 min read

How to Resize an Image for WhatsApp, Email, and Passport Photo

The exact dimensions and steps to resize any photo for WhatsApp profiles, email limits, and official passport applications.

JeevaJune 28, 2026

Image Tools8 min read

What is WEBP Format and Why You Should Use It in 2026

Everything you need to know about the WebP image format, how it compares to JPEG and PNG, and why it's the standard for modern web performance.

JeevaJune 27, 2026

QR Codes10 min read

QR Code Generator — Complete Guide to Creating QR Codes (2026)

Everything you need to know about generating static QR codes — format, error correction, print sizes, and real-world use cases.

JeevaJune 25, 2026

PDF Tools9 min read

How to Optimize PDFs for Email Attachment Size Limits

Get your PDF under email attachment limits without losing quality — practical techniques for different types of PDF content.

JeevaJune 24, 2026

QR Codes10 min read

Custom QR Codes for Marketing — Brand Kits, Print, and Tracking

Create and deploy QR codes across your marketing materials — design principles, placement strategies, and tracking options.

JeevaJune 23, 2026

Image Tools10 min read

How to Remove Backgrounds from Product Photos (E-Commerce Guide)

Professional product photo background removal for e-commerce listings — AI-based, free, and no Photoshop required.

JeevaJune 18, 2026

Social Media11 min read

How to Resize Images for Instagram, Twitter and LinkedIn (2026 Size Guide)

The definitive guide to social media image dimensions in 2026 — and how to resize any image to the perfect size for free.

JeevaJune 10, 2026

PDF Tools9 min read

Reduce PDF File Size Free — No Software, No Upload Required

Reduce PDF file sizes without software installation — browser-based methods that keep your documents private.

JeevaJune 10, 2026

Guides12 min read

What Is Image Compression? Complete Guide for Beginners (2026)

Everything you need to know about image compression — how it works, the different types, and why it matters for website speed and SEO.

JeevaMay 28, 2026

Image Tools9 min read

WhatsApp Image Compression — How to Send Photos Without Quality Loss

WhatsApp compresses every photo you send. Here is how to control the quality and send high-resolution images without degradation.

JeevaMay 20, 2026

Image Tools11 min read

How to Convert PNG to JPEG Online Free (No Signup, Instant)

Convert between PNG, JPEG, and WEBP formats instantly in your browser — free, private, and no account required.

JeevaMay 15, 2026

Productivity11 min read

10 Browser File Tool Workflows That Save Hours Every Week

Ten concrete workflows using browser-based file tools — each one replaces a tool or process that used to take much longer.

JeevaMay 5, 2026

Image Tools12 min read

How to Compress an Image Without Losing Quality (2026 Guide)

Reduce image file sizes by up to 80% without any visible quality loss — all inside your browser, completely free.

JeevaMay 2, 2026

PDF Tools9 min read

How to Sign PDF Documents Securely Without Uploading Them

Sign contracts and PDF documents privately — the signature overlay happens in your browser, not on a cloud server.

JeevaMarch 15, 2026

PDF Tools8 min read

How to Split and Reorder PDF Pages Online

Extract specific pages from a PDF or reorder sections locally in your browser — no cloud uploads, no software installation.

JeevaMarch 1, 2026

Image Tools9 min read

How to Create a Transparent PNG with AI Background Removal

Create clean transparent PNGs from any image — the AI model downloads to your browser and processes your photo locally.

JeevaFebruary 15, 2026

SEO12 min read

Image Optimization for SEO — How to Improve Core Web Vitals

How image optimization directly improves your Google Core Web Vitals scores and search rankings — with specific, actionable techniques.

JeevaFebruary 1, 2026

PDF Tools10 min read

How to Compress a PDF Online Without Uploading It

Reduce PDF file sizes without sending your document to a cloud server — browser-based, private, and free.

JeevaJanuary 20, 2026

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