All-in-One PDF, Developer
& Media Tool Box
Blazing-fast, free online tools that run 100% inside your web browser. Zero server uploads, zero signup, and absolute privacy for your files.
Browse Tools by Category
PDF Compression
Shrink PDF file size while preserving quality (10 tools)
→Convert from PDF
Export PDF to Word, Excel, JPG, PNG, EPUB (19 tools)
→Convert to PDF
Convert Word, Excel, JPG, PNG, HTML to PDF (19 tools)
→Merge & Split PDF
Combine multiple PDFs or extract specific pages (14 tools)
→PDF Security
Encrypt, password protect, unlock, and sign PDFs (13 tools)
→Developer Tools
JSON formatter, Base64, regex, diff checker, hashing (18 tools)
→Image & Video
Image compressor, format converter, GIF to video (6 tools)
→Android Utilities
Boot animation creator, APK parser, ADB generator (6 tools)
→Most Used Tools
Compress PDF
Reduce PDF file size up to 80% without losing text sharpness
→Merge PDF
Combine multiple PDF documents into a single organized file
→PDF to JPG
Convert PDF pages to high-resolution JPEG image files
→JSON Formatter
Pretty-print, format, and validate JSON data with syntax highlighting
→Image Compressor
Compress JPG, PNG, WebP images locally with customizable quality
→Password Generator
Generate unhackable random passwords using Web Crypto CSPRNG
→Latest Added Tools
PDF to Excel (XLSX)
Extract tabular data from PDF into editable Excel sheets
→Protect PDF
Apply AES 256-bit password encryption and user permission flags
→Text Diff Checker
Compare two texts side-by-side to highlight additions and edits
→QR Code Generator
Create custom QR codes for URLs, Wi-Fi credentials, and vCards
→Android Utilities
GIF to Boot Animation
Convert any GIF into a ready-to-flash Android bootanimation.zip
→Boot Animation Preview
Preview Android boot animations in your browser before flashing
→APK Version Info Extractor
Extract package name, version code, target SDK, and permissions
→Android Manifest Viewer
View and analyze binary AndroidManifest.xml files online
→ADB Command Generator
Generate copy-paste ready Android Debug Bridge commands
→Video to Boot Animation
Convert MP4/WebM video clips directly into bootanimation.zip
→Image & Video Utilities
Image Converter
Convert images between PNG, WebP, JPG, GIF, and BMP
→Image Compressor
Reduce image file size locally without losing visual quality
→Video to GIF
Convert MP4 and WebM videos into animated GIF files
→GIF to Video
Convert animated GIFs to compact MP4 videos using FFmpeg.wasm
→Video Converter
Convert videos between MP4, WebM, MOV, and AVI locally
→Video Compressor
Compress video file size using WebAssembly in browser
→Developer Utilities
Base64 Encoder/Decoder
Encode or decode Base64 strings and binary Data URIs
→Case Converter
Convert text between upper, lower, title, camelCase, and snake_case
→Color Picker & Converter
Pick colors and get HEX, RGB, HSL, and HSV values
→CSS Minifier
Minify CSS code to reduce file size and boost PageSpeed
→Text Diff Checker
Compare two texts side-by-side to highlight line differences
→HTML Entity Encoder
Encode special characters to HTML entities or decode back
→JSON Formatter
Format, beautify, and validate JSON data with syntax highlight
→JSON Validator
Validate JSON syntax, detect line errors, and enforce RFC 8259
→Markdown Preview
Write Markdown and see instant live rendered HTML preview
→Password Generator
Create strong, secure random passwords with Web Crypto API
→Regex Tester
Test ECMAScript regular expressions with live match highlighting
→SHA256 Hash Generator
Generate SHA-256 cryptographic checksum hashes from text
→Unix Timestamp Converter
Convert Unix timestamps (epoch) to human-readable UTC/local dates
→URL Encoder/Decoder
Encode or decode percent-encoded URL query string parameters
→UUID Generator
Generate random Version 4 UUID / GUID identifiers in bulk
→Word Counter
Count words, characters, sentences, paragraphs, and reading time
→All 160+ Browser Tools
Privacy-First Engineering Architecture
We believe software tools should treat your documents as private property—not data harvesting opportunities.
100% Client-Side
All parsing runs locally inside your browser memory. Your files are never uploaded to any remote server.
Blazing Fast Speed
Instant processing powered by WebAssembly, HTML5 Web APIs, and local CPU multi-threading.
100% Free Forever
No accounts, no credit cards, no hidden premium paywalls, and no file usage quotas.
Offline Capability
Once loaded, tools continue to work seamlessly even without an active internet connection.
Trusted by Professionals Worldwide
"As a corporate legal consultant, uploading confidential client contracts to online PDF sites was a huge security risk. SJ Creation's browser-local tools merge and protect PDFs with total privacy."
"The JSON Formatter, Diff Checker, and Base64 encoder are permanently open in my browser tabs. Lightning fast, zero bloat, and works offline when traveling."
"The image compressor and WebP converter shaved 40% off our landing page payload. Our Google Core Web Vitals scores went from amber to green instantly."
Frequently Asked Questions
Are these tools really free to use?
Yes, all 160+ tools are 100% free with zero usage limits, zero subscription paywalls, and no account signup requirements. The platform is funded through unobtrusive advertisements.
Are my uploaded files or text payloads stored on any remote server?
No! All processing runs 100% locally inside your web browser's memory sandbox using WebAssembly, HTML5 Web APIs, and client-side JavaScript. Zero bytes are uploaded to remote servers.
Do these PDF and media tools work without an active internet connection?
Yes! Once the webpage assets load into your browser cache, the processing engines (pdf-lib, pdf.js, FFmpeg.wasm) operate offline without network access.
What PDF and media operations are supported?
127 PDF operations including: merge, split, compress, convert (Word, Excel, PPTX, images), encrypt, password protect, edit metadata, sign, and page reordering. Plus developer utilities and video/image tools.
Latest from Our Blog
Stay Updated with New Tools & Guides
Subscribe to receive updates on new privacy tools, technical guides, and web performance tips. No spam, unsubscribe anytime.