Learntrix Ultimate Toolbox
Browse by category, search instantly, or launch newly released document converters with one click.
📂 Browse Tool Categories
Click any category to filterNewly Added Document Tools
PDF Compressor
NEWCompress and shrink PDF document file sizes 100% in your browser.
Rotate PDF Pages
NEWRotate PDF pages 90°, 180°, or 270° permanently in your browser with zero cloud uploads.
Delete PDF Pages
NEWRemove unwanted, blank, or duplicate pages from any PDF document client-side.
PDF Splitter & Page Extractor
NEWExtract pages or split PDF files into separate documents 100% in your browser with client-side processing.
Excel to PDF Converter
NEWConvert Excel spreadsheets (.xlsx, .xls, .csv) into clean, printable PDF documents in your browser.
Word to PDF Converter
NEWConvert Microsoft Word (.docx, .doc) files into clean PDF documents in your browser.
PDF to Word Converter
NEWConvert PDF documents into editable Microsoft Word (.doc) text files in your browser.
PDF Merger
NEWCombine and merge multiple PDF files into one single document in your browser.
Image to PDF Converter
NEWConvert JPG, PNG, WebP images into a clean, compiled PDF document instantly.
PDF Watermark Stamper
NEWAdd custom text watermarks to all pages of your PDF document securely in-browser.
Markdown Live Editor
NEWLive Markdown editor with split-screen preview and HTML export.
Markdown Previewer
NEWReal-time Markdown to HTML previewer and syntax validator with instant copy.
Markdown Table Generator
NEWCreate, edit, and convert spreadsheet tables to GitHub Flavored Markdown (GFM) with column alignments.
Word Counter
NEWCount words, characters, sentences and estimate reading time for any text.
Epoch Unix Timestamp Converter
NEWConvert Unix epoch timestamps to human dates and dates to epoch seconds & milliseconds.
Fancy Text Generator & Cool Fonts
NEWConvert plain text into cool fancy fonts, Unicode styles, and Instagram bio text instantly.
Character & Word Counter
NEWCount characters, words, sentences and check real-time character limits for Twitter, IG & LinkedIn.
Live Currency Converter
NEWConvert 30+ world currencies instantly with real-time exchange rates (USD, INR, EUR, GBP, AED, SAR).
Electricity Bill Calculator (India)
NEWCalculate monthly electricity bill based on state tariff slabs, units consumed, and load.
Free Resume & CV Builder
NEWCreate clean, professional PDF resumes with customizable sections, live preview & instant 1-click print export.
Text to Speech Synthesizer
NEWConvert written text into natural spoken audio in-browser with voice selection, pitch & rate controls.
Invoice Generator
NEWCreate professional invoices with GST, discount, multi-currency support — print or save as PDF free.
QR Code Generator & Customizer
NEWGenerate custom QR codes for website URLs, WiFi, UPI payments, VCard info, and text with PNG download.
Quick Sticky Notes & Scratchpad
NEWInstant in-browser scratchpad that automatically saves notes, code snippets, and to-dos to local storage.
Digital Stopwatch & Multi-Lap Timer
NEWHigh-precision digital stopwatch with millisecond precision and lap split recorder.
Password Generator
NEWGenerate strong, secure passwords with custom length, symbols, and strength indicator.
Typing Speed Test (WPM)
NEWTest and practice your typing speed in WPM with accuracy tracker and certificate score.
Image Studio Pro (All-in-One)
NEWMaster image editor — crop, rotate, flip, resize, apply 8+ color filters, stamp watermarks & export PNG/JPG/WebP.
Image File Size Compressor
NEWCompress PNG, JPG, and WebP image file sizes 100% in your browser with live savings meter.
Image Watermark & Copyright
NEWStamp text watermarks, copyright notices, and opacity controls on images client-side.
Favicon & App Icon Generator
NEWGenerate 16x16, 32x32, 48x48, 192x192, and 512x512 PNG app favicons & HTML link tags.
Image Crop & Aspect Ratio
NEWCrop images to 1:1 square, 16:9, 4:3, or custom dimensions directly in your browser.
Image Filter & Color Adjustments
NEWAdjust brightness, contrast, saturation, grayscale, sepia, and blur effects client-side.
Image Converter & Resizer
NEWConvert images to PNG, JPG, or WebP and resize dimensions client-side.
SVG to PNG/JPEG Converter
NEWRender raw SVG XML markup code into high-res PNG or JPEG raster images.
Most Popular Tools
Fast & 100% Client-SideFancy Text Generator & Cool Fonts
Convert plain text into cool fancy fonts, Unicode styles, and Instagram bio text instantly.
PDF Splitter & Page Extractor
Extract pages or split PDF files into separate documents 100% in your browser with client-side processing.
PDF Merger
Combine and merge multiple PDF files into one single document in your browser.
PDF Compressor
Compress and shrink PDF document file sizes 100% in your browser.
Live Currency Converter
Convert 30+ world currencies instantly with real-time exchange rates (USD, INR, EUR, GBP, AED, SAR).
Typing Speed Test (WPM)
Test and practice your typing speed in WPM with accuracy tracker and certificate score.
Electricity Bill Calculator (India)
Calculate monthly electricity bill based on state tariff slabs, units consumed, and load.
Excel to PDF Converter
Convert Excel spreadsheets (.xlsx, .xls, .csv) into clean, printable PDF documents in your browser.
Word to PDF Converter
Convert Microsoft Word (.docx, .doc) files into clean PDF documents in your browser.
PDF to Word Converter
Convert PDF documents into editable Microsoft Word (.doc) text files in your browser.
Image to PDF Converter
Convert JPG, PNG, WebP images into a clean, compiled PDF document instantly.
Invoice Generator
Create professional invoices with GST, discount, multi-currency support — print or save as PDF free.
QR Code Generator & Customizer
Generate custom QR codes for website URLs, WiFi, UPI payments, VCard info, and text with PNG download.
Free Resume & CV Builder
Create clean, professional PDF resumes with customizable sections, live preview & instant 1-click print export.
JSON Formatter
Format, validate and beautify JSON with syntax highlighting and error detection.
Password Generator
Generate strong, secure passwords with custom length, symbols, and strength indicator.
Image Tools
Crop, convert, compress, edit, filter, watermark, and generate favicons client-side
Image Studio Pro (All-in-One)
Master image editor — crop, rotate, flip, resize, apply 8+ color filters, stamp watermarks & export PNG/JPG/WebP.
Image File Size Compressor
Compress PNG, JPG, and WebP image file sizes 100% in your browser with live savings meter.
Image Watermark & Copyright
Stamp text watermarks, copyright notices, and opacity controls on images client-side.
Favicon & App Icon Generator
Generate 16x16, 32x32, 48x48, 192x192, and 512x512 PNG app favicons & HTML link tags.
Image Crop & Aspect Ratio
Crop images to 1:1 square, 16:9, 4:3, or custom dimensions directly in your browser.
Image Filter & Color Adjustments
Adjust brightness, contrast, saturation, grayscale, sepia, and blur effects client-side.
Image Converter & Resizer
Convert images to PNG, JPG, or WebP and resize dimensions client-side.
SVG to PNG/JPEG Converter
Render raw SVG XML markup code into high-res PNG or JPEG raster images.
PDF & Documents
Convert Excel/Word to PDF, merge PDFs, image to PDF, watermark documents client-side
PDF Compressor
Compress and shrink PDF document file sizes 100% in your browser.
Rotate PDF Pages
Rotate PDF pages 90°, 180°, or 270° permanently in your browser with zero cloud uploads.
Delete PDF Pages
Remove unwanted, blank, or duplicate pages from any PDF document client-side.
PDF Splitter & Page Extractor
Extract pages or split PDF files into separate documents 100% in your browser with client-side processing.
Excel to PDF Converter
Convert Excel spreadsheets (.xlsx, .xls, .csv) into clean, printable PDF documents in your browser.
Word to PDF Converter
Convert Microsoft Word (.docx, .doc) files into clean PDF documents in your browser.
PDF to Word Converter
Convert PDF documents into editable Microsoft Word (.doc) text files in your browser.
PDF Merger
Combine and merge multiple PDF files into one single document in your browser.
Image to PDF Converter
Convert JPG, PNG, WebP images into a clean, compiled PDF document instantly.
PDF Watermark Stamper
Add custom text watermarks to all pages of your PDF document securely in-browser.
Everyday Life
Age calculator, tip splitter, password generator, timezone tools
Free Resume & CV Builder
Create clean, professional PDF resumes with customizable sections, live preview & instant 1-click print export.
Text to Speech Synthesizer
Convert written text into natural spoken audio in-browser with voice selection, pitch & rate controls.
Invoice Generator
Create professional invoices with GST, discount, multi-currency support — print or save as PDF free.
QR Code Generator & Customizer
Generate custom QR codes for website URLs, WiFi, UPI payments, VCard info, and text with PNG download.
Quick Sticky Notes & Scratchpad
Instant in-browser scratchpad that automatically saves notes, code snippets, and to-dos to local storage.
Digital Stopwatch & Multi-Lap Timer
High-precision digital stopwatch with millisecond precision and lap split recorder.
World Clock & Meeting Planner
Ticking clocks for major global tech hubs with interactive 24-hour meeting overlap planner.
Password Generator
Generate strong, secure passwords with custom length, symbols, and strength indicator.
Time Zone Converter
Convert times between world time zones. Find the best meeting time across zones.
Health & Fitness
BMI calculator, calorie tracker, sleep cycle planner
Math & Finance
Percentage, EMI, GST, unit converter, base converter
Live Currency Converter
Convert 30+ world currencies instantly with real-time exchange rates (USD, INR, EUR, GBP, AED, SAR).
Electricity Bill Calculator (India)
Calculate monthly electricity bill based on state tariff slabs, units consumed, and load.
Number Base Converter
Convert numbers between Binary, Octal, Decimal, and Hexadecimal with step-by-step breakdown.
Tip & Bill Splitter
Calculate tip amounts and split restaurant bills among any number of people.
Study & Education
GPA calculator, Pomodoro timer, grade calculator
Text & Writing
Case converter, diff checker, readability scorer
Word Counter
Count words, characters, sentences and estimate reading time for any text.
Fancy Text Generator & Cool Fonts
Convert plain text into cool fancy fonts, Unicode styles, and Instagram bio text instantly.
Character & Word Counter
Count characters, words, sentences and check real-time character limits for Twitter, IG & LinkedIn.
Case Converter
Convert text to UPPERCASE, lowercase, Title Case, camelCase, snake_case, kebab-case instantly.
Lorem Ipsum Generator
Generate placeholder Lorem Ipsum text — paragraphs, sentences, or words with HTML output.
Text Diff Checker
Compare two texts side-by-side with line-by-line difference highlighting.
Readability Scorer
Analyse text readability with Flesch-Kincaid and Gunning Fog scores.
Developer
Tools for coders — JSON, Base64, Regex, JWT, and more
Markdown Live Editor
Live Markdown editor with split-screen preview and HTML export.
Markdown Previewer
Real-time Markdown to HTML previewer and syntax validator with instant copy.
Markdown Table Generator
Create, edit, and convert spreadsheet tables to GitHub Flavored Markdown (GFM) with column alignments.
JSON Formatter
Format, validate and beautify JSON with syntax highlighting and error detection.
Base64 Encoder
Encode and decode Base64 strings and files instantly in your browser.
JWT Decoder
Decode and inspect JSON Web Tokens — header, payload, claims, and expiry.
Regex Tester
Test and debug regular expressions with live match highlighting and flag toggles.
URL Encoder
Encode/decode URLs and query strings. Parse query parameters into a table.
Cron Expression Builder
Build and understand cron expressions visually with plain-English descriptions.
Epoch Unix Timestamp Converter
Convert Unix epoch timestamps to human dates and dates to epoch seconds & milliseconds.
Hash Generator
Generate MD5, SHA-1, SHA-256 and SHA-512 hashes entirely in your browser.
SEO & Web
Meta tags, slug generator, keyword density checker
Meta Tag Generator
Generate complete Open Graph and Twitter Card meta tags with live preview.
Slug Generator
Convert any title or phrase into a clean, SEO-friendly URL slug.
Keyword Density Checker
Analyse keyword frequency and density % in any content for SEO optimisation.
Contrast Ratio Checker
Check WCAG AA/AAA accessibility compliance for text and background color combinations.
Converters
JSON↔CSV, JSON↔YAML, HTML to Markdown
JSON ↔ CSV Converter
Convert JSON arrays to CSV and CSV data to JSON — download or copy instantly.
JSON ↔ YAML Converter
Bidirectional JSON and YAML conversion with syntax validation.
HTML to Markdown
Convert HTML markup into clean Markdown syntax instantly.
Design & Color
Color palette, CSS generator, contrast checker
How Learntrix In-Browser Utilities Work: Client-Side Data Sovereignty
Every utility in our directory is built with modern browser-native capabilities, bypassing remote cloud storage entirely.
📄Native PDF & Document Engine
Unlike legacy file conversion websites that upload your confidential PDFs, contracts, and financial statements to remote server queues, our PDF suite (merger, splitter, compressor, watermark) operates inside compiled WebAssembly (WASM) sandboxes directly in your browser RAM. Your files are never transmitted across the network, ensuring zero exposure to data scraping or man-in-the-middle interception.
🖼️ Pixel-Perfect Canvas Media Tools
Our image studio, compressor, and cropper harness the hardware-accelerated HTML5 Canvas 2D API. Image decoders parse raw raster arrays locally, applying bicubic resampling, WebP/JPEG quality quantification, and aspect ratio reframing in sub-second cycles without server uploads or file size caps.
⚡Developer & Cryptographic Utilities
From JSON formatting and AST tree inspection to SHA-256 hashing and password generation, our developer tools enforce RFC standards (RFC 8259, RFC 4648). Random tokens and passwords leverage operating system kernel entropy via the browser Web Cryptography API (`crypto.getRandomValues`), avoiding deterministic PRNG vulnerabilities.