Universal Tools Suite for Developers, Businesses & Professionals
Merge & compress PDFs, build ATS resumes, generate GST invoices & payslips, create custom QR & barcodes, test typing speed, and format code with zero server uploads.
Featured & Most Popular Tools
High-traffic essential tools for daily workflow, documentation and business
Resume Builder
Build ATS-friendly professional resumes with 6 premium templates, live preview, and export to PDF, LaTeX, or plain text.
GST & Global Invoice Generator
Generate compliant tax invoices for India (GST), USA (Sales Tax), UK (VAT), UAE, and worldwide with multi-currency & PDF export.
Salary Slip Generator
Generate professional employee payslips with earnings, deductions, PF, ESI, TDS, attendance tracking, and instant PDF download.
QR Code & Barcode Studio
Generate 2D QR codes (URL, Wi-Fi, vCard, WhatsApp, UPI) & 1D barcodes (Code 128, EAN-13, UPC) with custom logo, colors, and printable sticker label sheets.
Typing Speed Calculator & WPM Test
Benchmark your Net WPM, accuracy, and keystroke speed across English, Spanish, French, German, Hindi, and code with free certificate export.
Merge PDFs
Combine multiple PDF files into one single document with custom page ordering.
Compress PDF
Reduce PDF file size up to 70% while maintaining crisp document quality.
Sign PDF
Create and place legally valid digital signatures by drawing, typing, or uploading.
PDF Essentials
18 toolsMerge, split, compress, organize, rotate, and manage PDF pages with ease.
Merge PDFs
Combine multiple PDF files into one single document with custom page ordering.
Split PDF
Separate PDF pages or extract custom page ranges into individual documents.
Compress PDF
Reduce PDF file size up to 70% while maintaining crisp document quality.
Compress PDF to Target Size (KB / MB)
Shrink PDF files to exact KB targets (50KB, 100KB, 200KB, 500KB) for UPSC, SSC, IBPS, and job portal uploads with instant thumbnail preview.
Bates Numbering Studio Pro
Assign legal sequential alphanumeric identifiers, confidentiality disclosure banners, and export production audit logs for legal discovery and trial exhibits.
Organize Pages
Rearrange, rotate, delete, or duplicate PDF pages with interactive visual drag & drop.
Rotate PDF
Rotate specific pages or entire PDF documents 90°, 180°, or 270° permanently.
Flip PDF
Mirror PDF pages horizontally or vertically with 1-click transformation.
Scan Document
Use your device camera or webcam to scan physical documents directly into PDF.
Alternate & Mix PDF
Interleave and alternate odd/even pages from two separate PDF documents.
Split PDF in Half
Split two-up scanned book pages or cut documents into two equal halves.
Split PDF by Size
Automatically split large PDF files into smaller chunks of a specified file size.
Split PDF by Text
Split PDF automatically wherever a specific keyword or invoice separator appears.
Split by Bookmarks
Split chapters or sections using the embedded PDF bookmark outline table.
PDF Workflow Builder
Build, customize, and execute multi-step automated PDF processing pipelines with zero server uploads.
N-Up / Multiple Pages
Print or arrange 2, 4, or 8 pages per sheet to save paper and condense docs.
Crop & Resize PDF
Trim page margins, remove scanner borders, and standardize page sizes to A4 or Letter.
PDF to ZIP
Convert every page of a PDF into high-res images and download packed inside a ZIP archive.
PDF Converters
22 toolsConvert to and from PDF: Images, Word, Excel, PowerPoint, Markdown, HTML, CSV, and eBooks.
PDF to Handwriting
Convert PDF documents and typed text into realistic handwritten notes with custom paper, ink colors, and custom alphabet drawing.
Images to PDF
Convert JPG, PNG, WebP, and GIF image files into a single unified PDF document.
PDF to JPG / PNG
Extract PDF pages into ultra-clear high resolution images (up to 600 DPI).
Word to PDF
Convert Microsoft Word .docx and .doc files to standard PDF documents in your browser.
PDF to Word (.docx)
Convert PDF documents to editable Microsoft Word documents with structured paragraphs.
Excel to PDF
Convert Excel spreadsheets (.xlsx, .xls) to clean, printable PDF tables.
PDF to Excel (.xlsx)
Extract tabular data and financial statements from PDF into editable Excel sheets.
PDF to CSV & Bank Statement Converter
Convert bank statements, financial tables, invoices, and multi-column tabular PDF documents into clean CSV, TSV, and Excel spreadsheets with live editing.
PowerPoint to PDF
Convert PowerPoint .pptx presentations into high quality printable PDF slides.
PDF to PowerPoint
Convert PDF slides back into editable Microsoft PowerPoint .pptx format.
Markdown to PDF Studio
Convert Markdown to PDF with live split-view preview, LaTeX math ($$), GFM tables, code highlighting, and vector print.
HTML to PDF
Convert raw HTML code or web snippets into styled PDF documents.
PDF to HTML
Convert PDF pages to clean HTML with selectable web text.
CSV to PDF
Transform CSV data files into beautiful, formatted PDF summary reports.
Create PDF from Scratch
Use rich-text WYSIWYG editor with headings, tables, and colors to export clean PDFs.
Extract Text from PDF
Extract raw, unformatted text layers from PDF documents instantly.
Extract Images from PDF
Extract and download all embedded photographs and graphics from inside any PDF.
Edit PDF Metadata
View and edit document Author, Title, Subject, Keywords, and Creator tags.
PDF to Audio (TTS)
Listen to your PDF document read aloud using high-quality neural speech synthesis.
Audio to PDF
Transcribe voice recordings and MP3 files into a formatted PDF transcript.
eBook to PDF
Convert EPUB, MOBI, and AZW3 digital ebooks into standard PDF format.
PDF to EPUB
Convert PDF documents to EPUB format for Kindle, Apple Books, and e-readers.
Edit & Annotate
9 toolsAdd signatures, text, watermarks, page numbers, Bates numbering, and invert colors.
Edit PDF & Signature
Add new text boxes, fix typos, insert images, and sign any PDF in your browser.
Sign PDF
Create and place legally valid digital signatures by drawing, typing, or uploading.
Add Watermark
Protect intellectual property with custom text or logo watermarks (angle & opacity controls).
Add Page Numbers
Insert numbered headers and footers (e.g. Page X of Y) with custom positions and font sizes.
Headers & Footers
Add recurring custom top headers, bottom footers, dates, and copyright notices.
Redact PDF
Permanently blackout confidential information and numbers before sharing sensitive PDFs.
Flatten PDF
Lock fillable form fields and interactive annotations permanently into static print pages.
Invert PDF Colours
Switch to high-contrast Dark Mode, Sepia, or Grayscale for comfortable night reading.
Handwriting to PDF
Convert handwritten notes, photos, and scans into typed searchable PDFs with layout preservation and OCR.
PDF Security
7 toolsEncrypt with password, unlock, auto-redact sensitive PII data, and scan metadata.
Encrypt PDF (Password Protect)
Add strong AES-256 password protection to restrict document opening and printing.
Unlock PDF
Remove known passwords and restrictions from your secured PDF files permanently.
Remove Password
Decrypt protected PDFs locally without uploading keys to any server.
Auto-Redact PII
Automatically detect and blackout sensitive Aadhaar, PAN, SSN, emails, and phone numbers.
Privacy Risk Scanner
Scan PDF for hidden metadata, GPS location history, author revisions, and strip them.
Fill PDF Form
Fill interactive AcroForm fields, checkboxes, and text inputs directly in browser.
Fingerprint PDF
Add invisible forensic tracking watermarks to identify document leak sources.
AI & Forensics
5 toolsChat with PDF, AI document summarizer, OCR text recognition, and compare PDFs.
Chat with PDF (AI)
Ask questions, analyze contracts, and get instant answers from any PDF document.
AI PDF Summarizer
Generate executive bullet points, key takeaways, and comprehensive PDF summaries.
Searchable PDF (OCR)
Convert scanned paper documents and photo PDFs into searchable, selectable text.
Compare Two PDFs
View two PDF files side-by-side with synchronized scrolling to spot revisions.
Repair Corrupt PDF
Forensic recovery engine to fix damaged xref tables and broken PDF streams.
Business & Billing
20 toolsGST Tax Invoice generator, Salary Slips, POS retail billing, and ATS resumes.
GST & Global Invoice Generator
Generate compliant tax invoices for India (GST), USA (Sales Tax), UK (VAT), UAE, and worldwide with multi-currency & PDF export.
POS Bill Generator
Point of Sale retail checkout and receipt generator with thermal printer PDF output.
GST Filing Prep
Summarize and calculate monthly GST sales, tax totals, and HSN breakdown into PDF.
GST Calculator
Calculate GST amount, add or remove tax from MRP, compute CGST/SGST/IGST splits, and export PDF statements.
P2P File Share
Transfer documents directly browser-to-browser with WebRTC end-to-end encryption.
Resume Builder
Build ATS-friendly professional resumes with 6 premium templates, live preview, and export to PDF, LaTeX, or plain text.
Salary Slip Generator
Generate professional employee payslips with earnings, deductions, PF, ESI, TDS, attendance tracking, and instant PDF download.
Collaborative Whiteboard Studio
Real-time P2P collaborative canvas with peer cursors, geometric shapes, sticky notes, laser pointer, and vector PDF export.
Loan EMI Calculator
Calculate home, car, and personal loan EMI with prepayment simulation, amortization schedule, and PDF/CSV export.
Passport Size Photo Maker
Create professional passport, visa, and ID photos with auto-tiling print sheets (4x6, 5x7, A4), standard country sizes (India, US, UK, Schengen), background tinting, cutting marks, and 300 DPI PDF/JPG download.
Age Calculator Studio
Calculate exact chronological age in years, months, days, hours, and seconds. Verify govt exam age cut-offs, next birthday countdowns, planetary age, and download PDF age certificates.
Govt Exam Photo & Signature Resizer
Resize, crop, and compress passport photos and signatures to exact KB file size limits (20-50 KB, 10-20 KB) for SSC, UPSC, NEET, IBPS, and State PSC application forms.
CGPA to Percentage Calculator
Convert 10-point CGPA into exact percentages using CBSE (9.5), VTU, Mumbai, and Anna University formulas, US 4.0 GPA scale, and export PDF marksheet summaries.
SIP & Lumpsum Calculator
Calculate expected future wealth and returns for Mutual Fund SIPs, Step-Up SIPs, Lumpsum investments, and ₹1 Crore goal plans with compounding schedules.
Income Tax Calculator (New vs Old Regime)
Compare income tax liability under New Tax Regime (with ₹75,000 std deduction) vs Old Tax Regime (80C, 80D, HRA) for FY 2024-25 / 2025-26 with instant PDF report.
Compound Interest Calculator
Simulate exponential investment compounding with custom frequencies (daily, monthly, quarterly, annual), monthly contributions, and PDF schedule export.
Percentage Calculator (All-in-One)
Calculate percentages of numbers, percentage change (increase/decrease), reverse discount pricing, and marks percentages with step-by-step arithmetic.
Bulk Image Compressor & WebP Converter
Compress up to 50+ JPG, PNG, and WebP images simultaneously with custom quality, dimension resizing, and one-click ZIP download.
Social Media Image Resizer & Crop Studio
Resize photos for Instagram, YouTube thumbnails, LinkedIn, Twitter/X, and TikTok with smart cropping, blurred background fill, and high-res export.
Free In-Browser Background Remover
Remove image backgrounds instantly with click-to-sample color matting, tolerance adjustment, transparent PNG export, and studio color replacement.
JSON & Data
8 toolsBeautify JSON, parse JS objects, convert YAML, CSV, and inspect JSON payloads.
Scientific Unit & Real Estate Converter
Convert length, area (Acre, Bigha, Guntha, Sq Ft), weight, digital storage, temperature, and speed with live matrix tables and PDF reference charts.
JSON Beautifier & Minifier
Format, validate, prettify, and minify JSON data with custom indentation.
JS Object to JSON
Convert JavaScript object notation and loose syntax to strictly valid JSON.
JS Object Beautifier
Beautify and format JavaScript object literals cleanly.
YAML to JSON
Parse and convert YAML configuration syntax into standard formatted JSON.
JSON to YAML
Convert JSON structures into clean, human-readable YAML formats.
JSON to CSV
Convert JSON arrays and objects into comma-separated CSV spreadsheets.
CSV to JSON
Convert CSV raw tabular data into structured JSON objects with auto-header parsing.
Encoding & Crypto
8 toolsDecode JWT, Base64 encode/decode, URL encoding, UUID generator, and Hex converter.
JWT Debugger
Decode and inspect JSON Web Token headers, payload claims, and expiration dates.
Base64 Encoder
Encode plain text strings and UTF-8 characters to Base64 format.
URL Encoder
Safely encode query parameters and special characters for HTTP URLs.
URL Decoder
Decode URL-encoded strings and percent-encoded query parameters.
UUID / GUID Generator
Generate cryptographically strong random UUID v4 identifiers.
UUID Decoder
Decode and inspect UUID version, variant, and timestamp metadata.
Hex to ASCII
Convert hexadecimal byte sequences into standard readable ASCII text.
ASCII to Hex
Convert ASCII plain text characters to hexadecimal representation.
Code Formatters
14 toolsTyping Speed WPM test, QR & Barcodes, Prettify SQL, HTML, XML, and RegEx tester.
Text & Code Diff Checker Studio
Compare two text documents or code snippets with split side-by-side view, unified diffs, additions & deletions count, and PDF diff reports.
SQL Formatter
Format complex SQL queries with consistent keyword casing and indentation.
HTML Beautifier
Indent and prettify messy HTML tags with consistent syntax trees.
HTML Minifier
Minify HTML markup by removing whitespace, comments, and redundant characters.
HTML to JSX Converter
Convert regular HTML code into React JSX syntax (`className`, `htmlFor`, etc.).
XML Beautifier
Format and indent XML documents with structured element tags.
XML Minifier
Minify XML data streams by removing extraneous whitespace.
RegEx Tester
Test regular expressions with real-time matching and capture groups.
Backslash Escape
Escape quotes, backslashes, and special characters for string literals.
Backslash Unescape
Unescape escaped strings and backslash characters back to raw text.
Color Converter & Palette Studio
Convert color formats between HEX, RGB, HSL, HSV, CMYK, and Decimal. Generate Tailwind 50-950 scales, harmonies, and check WCAG contrast.
String Inspector & Text Forensics Studio
Analyze character metrics, byte sizes, Unicode code points, Flesch readability, word frequency, zero-width chars, and crypto hashes.
Typing Speed Calculator & WPM Test
Benchmark your Net WPM, accuracy, and keystroke speed across English, Spanish, French, German, Hindi, and code with free certificate export.
QR Code & Barcode Studio
Generate 2D QR codes (URL, Wi-Fi, vCard, WhatsApp, UPI) & 1D barcodes (Code 128, EAN-13, UPC) with custom logo, colors, and printable sticker label sheets.
Who Uses DocuDev?
From individual freelancers to chartered accountants, developers, and business owners — DocuDev is designed to work for everyone.
JWT debugger, JSON formatter, Base64 encoder, RegEx tester, and SQL formatter — all running 100% locally with zero token or secret leakage.
Generate GST-compliant tax invoices with CGST/SGST/IGST breakdowns, monthly salary slips with PF & TDS, and POS billing receipts — all watermark-free.
Build ATS-optimised LaTeX resumes, take typing speed tests with printable WPM certificates, compress PDFs for job portal uploads, and resize exam photos to exact KB limits.
Apply Bates numbering for legal discovery, redact sensitive PII, password-protect confidential PDFs, and generate cryptographic fingerprints — all processed in-browser.
One-stop platform for all citizen service centre tasks: scan documents, merge PDFs, create invoices, resize passport photos, and print QR sticker sheets.
Every file, document, and code snippet is processed entirely in your browser using WebAssembly. Nothing is uploaded to any server — ever.
Why Choose DocuDev?
Engineered with modern WebAssembly and client-side JavaScript for maximum speed, zero watermarks, and complete confidentiality.
0 Server Uploads
All PDF parsing and code transformations execute 100% locally in your web browser memory. Zero files leave your device.
Zero Watermarks
Every single tool produces clean, professional documents ready for commercial, governmental, and client use.
Instant Speed
No waiting in server queues or uploading heavy files over slow connections. Operations happen in milliseconds.
100% Free Forever
Unlimited access with no subscriptions, credit cards, or user registration required. Works seamlessly on mobile and desktop.
Frequently Asked Questions
Everything you need to know about DocuDev tools, privacy, and commercial usage.
Start Using 111+ Free Tools Today
No registration, no credit card, and zero server storage. Try our ATS Resume Builder, GST Invoicing, QR & Barcode Studio, or PDF Converters now.