121 free private browser tools — 100% private, zero uploads

PolyForge runs 110 of its 121 utilities entirely in your browser: merge and split PDFs, convert and optimize images, format developer data, and run precision calculators. No uploads, no accounts, no waiting queues.

All 121 tools

• Merge PDFs — Combine multiple PDFs into a single file entirely in your browser — bookmarks, blank padding, page normalization. Nothing is uploaded.
• Split / Extract — Burst into 1-page PDFs or extract custom page ranges entirely in your browser — nothing is uploaded.
• Rotate Pages — Rotate pages by 90°, 180°, or 270° entirely in your browser — visual organizer included, nothing is uploaded.
• Delete Pages — Drop unwanted pages using visual tiles or text ranges entirely in your browser — nothing is uploaded.
• Reorder Pages — Drag-and-drop page cards or type a sequence to rebuild your PDF entirely in your browser — nothing is uploaded.
• N-up Layout — Compose 2 or 4 pages per sheet in booklet layout entirely in your browser — nothing is uploaded.
• Resize / Scale — Normalize pages to standard formats (A4, Letter, Legal, A3, A5) or custom sizes with orientation auto-detection entirely in your browser — nothing is uploaded.
• Crop Margins — Trim page margins by percentage or PDF points entirely in your browser — nothing is uploaded.
• Strip Blank Pages — Auto-detect and drop empty pages entirely in your browser — nothing is uploaded.
• Edit Metadata — Modify Title, Author, Subject, Keywords, Creator, and Producer entirely in your browser — nothing is uploaded.
• PDF Text Studio — Inspect, extract, and OCR text from any PDF in one workspace.
• Extract Images — Extract embedded raster images into a downloadable PNG zip.
• Images → PDF — Convert and bundle JPG, PNG, and WebP photos into a single PDF entirely in your browser. Zero uploads.
• Overlay / Stamp — Stamp a letterhead, logo, or overlay PDF/image onto every page entirely in your browser — nothing is uploaded.
• Text Watermark — Add diagonal semi-transparent watermark text or your company logo entirely in your browser — live preview included, nothing is uploaded.
• Page Numbers — Inject header or footer page numbers entirely in your browser — 6 positions, cover page exclusion, format presets, live preview, nothing uploaded.
• Password Protect — Encrypt PDF with AES-256 password protection.
• Remove Password — Decrypt and unlock an encrypted PDF document.
• Compress PDF & Documents — Shrink PDFs & documents with font subsetting, grayscale / 1-bit bilevel, target-size budgeting, hidden object stripping, custom DPI, and 100% in-browser privacy.
• Digital E-Signature — Interactive signature pad to draw, type, or stamp authentic digital signatures with optional tamper-proof password lock — applied locally in your browser, nothing is uploaded.
• Batch PDF Processor — Process dozens of PDF documents at once in your browser: batch compress, rotate, watermark, or strip metadata, zipped for instant download.
• PDF & Print DPI — Convert dimensions across Millimeters, Inches, Pixels, and PDF Points for prepress & web.
• Aspect Ratio & Scaler — Compute width/height keeping 16:9, 9:16, 4:3, 1:1, 21:9 with scaling multipliers & CSS code.
• Scientific Calculator — Calculator.net-grade 40-button scientific console with trig inverses, powers, roots, Ans, and memory.
• Percentage Calculator — Solve "X% of Y", "X is what % of Y", and percentage increase/decrease in one click.
• Universal Unit Converter — Instant two-way conversion for Length, Weight, Temperature, Speed, and Surface Area.
• Date & Business Work Days — Calculate exact elapsed duration, business working days (excluding weekends), and future date offsets.
• SaaS Unit Economics — MRR ⇄ ARR converter, LTV:CAC health ratio benchmarking, payback periods, and revenue churn rate.
• Profit Margin & Break-Even — Calculate Cost of Goods (COGS), Selling Price, Gross Profit, Markup %, and Break-Even units.
• VAT, Sales Tax & Discount — Forward tax addition and reverse VAT extraction with stacked multi-tier coupon discounts.
• BMI & Calorie Fitness — Body Mass Index gauge, healthy weight range, and Mifflin-St Jeor daily maintenance/weight-loss calories.
• Programmer & Bitwise — Simultaneous HEX, DEC, OCT, and BIN converter with bitwise logic, shifts, and interactive bit grid.
• Retirement Calculator — Project your retirement nest egg from current savings, contributions, and employer match — with safe withdrawal income.
• Inflation Calculator — See how inflation erodes purchasing power over time and project the future cost of goods and services.
• Income Tax Calculator — Estimate US federal income tax across progressive brackets, plus FICA, with effective and marginal rates.
• Salary Calculator — Convert between hourly wage and salary across all pay frequencies — hourly, weekly, biweekly, semi-monthly, monthly, annual.
• Payment Calculator — Find the fixed monthly payment for a loan, or how long a fixed payment takes to pay a balance off.
• Finance / TVM Calculator — Time-value-of-money workbench: present value, future value, and ordinary annuity payments in one console.
• Body Fat Calculator — Estimate body fat percentage with the US Navy circumference method, plus lean mass and category classification.
• Ideal Weight Calculator — Compare four classic ideal-body-weight formulas (Devine, Robinson, Miller, Hamwi) plus the healthy BMI weight range.
• Pace Calculator — Calculate running pace per km/mile, speed, and projected finish times for classic race distances.
• Pregnancy Calculator — Full pregnancy timeline: due date, conception, gestational age today, weeks pregnant, and trimester progress.
• Pregnancy Conception Calculator — Estimate when conception occurred — and the fertile window — from an LMP, due date, or ultrasound date.
• Due Date Calculator — Estimate your baby’s due date with Naegele’s rule from LMP, conception, or ultrasound — plus trimester and viability milestones. Free.
• Fraction Calculator — Add, subtract, multiply and divide fractions with automatic simplification, mixed numbers, and decimal conversion.
• Random Number Generator — Generate random integers in any range — unique or with repeats — plus dice, coin flip, lottery, and list shuffler shortcuts.
• Triangle Calculator — Solve any triangle: sides, angles, area, and perimeter from SSS, SAS, or ASA input using the law of sines and cosines.
• Standard Deviation Calculator — Compute population & sample standard deviation, variance, mean, median, mode, quartiles, outlier fences, and z-score percentiles.
• Age Calculator — Exact age in years, months, and days — plus a countdown to your next birthday and totals in days, hours, minutes, and seconds.
• Time Calculator — Clock math (add/subtract time) plus a duration arithmetic mode that breaks H:M:S down into every unit.
• Hours Calculator — Timesheet-style weekly hours: clock in/out per day with breaks, overtime, and gross pay at your rate.
• GPA Calculator — Weighted GPA on the 4.0 scale from course credits and letter grades, with plus/minus precision.
• Grade Calculator — Compute your current weighted course grade and find what you need on the final to hit your target.
• Concrete Calculator — Estimate concrete volume for slabs, footings, and columns — in cubic yards/meters — plus cement bags and cost.
• Subnet Calculator — IPv4 CIDR subnetting: network address, broadcast, usable host range, wildcard mask, and host capacity.
• Password Generator — Cryptographically random passwords with length and character-set control, entropy scoring, and passphrase mode.
• Storage & Transfer Time — Binary/Decimal storage conversions and upload/download transfer duration estimator.
• Compress Image — Optimize image file size for fast web loading with a fidelity slider 100% in your browser.
• Resize Image — Scale dimensions or resize by percentage with aspect-ratio preservation 100% in your browser.
• Convert Format — Transcode between PNG, JPG, WebP, and BMP with quality control 100% in your browser.
• Transparent PNG — Erase solid background colors with adjustable chroma tolerance 100% in your browser.
• Extract Palette — Analyze and extract dominant color schemes 100% in your browser — click any chip to copy its hex code.
• Crop Image — Trim images to an exact pixel area for product shots, banners, and social posts 100% offline.
• Rotate & Flip — Correct orientation or mirror images in one lossless-style transformation step in your browser.
• Image Effects — Apply grayscale, sepia, blur, or pixelation effects 100% offline in your browser.
• View Metadata — Inspect format, color mode, image dimensions, DPI, file size, and transparency 100% offline in your browser.
• Remove Background — AI & intelligent background removal — isolate subjects 100% offline in your browser.
• Add Watermark — Protect and brand an image with a readable, semi-transparent text watermark 100% offline.
• Profile Photo — Center-crop any image into a clean square or circular avatar with transparent corners 100% offline.
• Batch Image Processor — Process dozens of images at once: resize, compress, and transcode locally, then download as a ZIP.
• Image Splitter — Split and slice images into custom grid rows, columns, or Instagram carousel tiles 100% in your browser.
• Add Border to Image — Add custom colored, double, or Polaroid-style borders and photo frames 100% in your browser.
• Pixelate Image — Turn photos into retro 8-bit pixel art or censor sensitive details with mosaic pixelation.
• PNG to JPG — Convert transparent or solid PNG images to high-quality JPG format 100% in your browser.
• JPG to PNG — Convert JPG photos to lossless PNG format with zero compression artifacts 100% client-side.
• HEIC to JPG — Convert Apple iPhone HEIC and HEIF photos to universal JPG format directly in your browser.
• Collage Maker — Combine multiple photos into customizable side-by-side, quad, or vertical grid collages 100% in your browser.
• SVG to PNG — Rasterize scalable vector graphics (SVG) into crisp, high-resolution PNG images at 1×, 2×, or 4× resolution.
• Color Adjustments — Fine-tune exposure, brightness, contrast, color temperature (warmth), and saturation 100% in your browser.
• Photo & Document Editor — Professional in-browser canvas editor for documents and photos with signatures, stamps, redaction, text, and non-destructive crops.
• JSON Formatter — Beautify with 2/4-space indentation, minify, and validate JSON payloads.
• CSV ⇄ JSON — Bidirectional parser between CSV tables and structured JSON arrays.
• Base64 & Hex — Encode and decode strings into Base64 and Hex formats with full UTF-8 support.
• Crypto Hashes — Generate SHA-1, SHA-256, SHA-384, and SHA-512 cryptographic digests via WebCrypto.
• String Inspector — Analyze words, characters, lines, and UTF-8 bytes — with case transforms and reversal.
• Regex Tester — Test regular expressions against text with flags, capture groups, presets, and one-click match extraction.
• YAML ↔ JSON — Convert YAML to JSON and back — nested maps, lists, comments, and typed scalars supported.
• JSON ↔ CSV — Flatten nested JSON arrays into CSV tables and parse CSV back into JSON objects.
• UUID Generator — Generate RFC 4122 v4 (random) and RFC 9562 v7 (time-ordered) UUIDs locally in bulk with multiple formats.
• URL Encoder — Percent-encode and decode URLs and query strings with encodeURIComponent / encodeURI semantics.
• SQL Formatter — Beautify messy SQL with clause-aware formatting, customizable keyword casing, and query minification.
• Diff Checker — Compare two blocks of text line-by-line with a unified LCS diff — additions, removals, similarity stats, and whitespace filters.
• Unix Timestamp — Convert between Unix timestamps (seconds/milliseconds) and human-readable dates in UTC and local time.
• Case Converter — Convert text between UPPERCASE, lowercase, Title, camelCase, PascalCase, snake_case, kebab-case, and CONSTANT_CASE.
• HTML Entities — Escape text into named or numeric HTML entities for safe embedding, and decode entities back to characters.
• PyQt5 → PyQt6 Migrator — Automatically convert Python code from PyQt5 to PyQt6. Migrate single files or entire projects with folder preservation for Pro.
• Word to PDF — Convert Microsoft Word documents (.docx, .doc) to PDF with preserved typography and layouts.
• Excel to PDF — Convert Microsoft Excel spreadsheets (.xlsx, .xls) to clean PDF tables and reports.
• PowerPoint to PDF — Convert Microsoft PowerPoint presentations (.pptx, .ppt) to PDF slide decks.
• PDF to Word — Convert PDF documents into fully editable Microsoft Word (.docx) documents with preserved layouts.
• PDF to Excel — Extract tables, invoices, and structured data from PDF into editable Excel (.xlsx) workbooks.
• PDF to JPG — Convert every page of a PDF document into crisp, high-resolution JPG images packaged in a ZIP.
• Split CSV — Split large CSV files into smaller files by row count or file chunks with header preservation.
• Split Excel — Split multi-sheet Excel workbooks into individual .xlsx files or CSV tables.
• CSV to Excel — Convert plain CSV text or comma-separated files into formatted Microsoft Excel (.xlsx) workbooks.
• Excel to CSV — Extract sheets from Microsoft Excel (.xlsx, .xls) workbooks into clean, standard CSV tables.
• XML to Excel — Transform XML hierarchical trees into styled Microsoft Excel (.xlsx) workbooks.
• Excel to XML — Extract tables from Microsoft Excel (.xlsx, .xls) workbooks into structured XML markup.
• XML to CSV — Extract structured data from XML repeating nodes into clean, comma-separated CSV tables.
• CSV to XML — Convert CSV table rows into structured, nested XML schemas with customizable tags.
• XML to JSON — Convert XML documents into structured, formatted JSON objects and arrays.
• JSON to XML — Convert JSON payloads into clean, formatted XML trees with configurable root nodes.
• OpenGraph & Social Card Studio — Preview, audit, and design 1200×630 OpenGraph cards for Twitter/X, Facebook, LinkedIn, Discord & WhatsApp.
• Asset & Unit Intelligence Hub — Live currency, crypto and industrial unit conversions with audit trail, trend chart and CSV reporting.
• QR & Barcode Scanner — Decode QR codes and 1D barcodes from screenshots, photos or your webcam — multiple codes per image, continuous camera scanning, and 100% on-device processing.
• QR Code Generator — Design print-ready QR codes for links, Wi-Fi, contacts, email, SMS and locations — patterns, eyes, frames, UTM tracking, PNG/SVG export, all offline.
• Barcode Generator — Create scannable EAN-13, UPC-A, Code 128, Code 39, ITF-14 and MSI barcodes with automatic check-digit validation, custom bar sizing, colors and PNG/SVG export.
• QR History & Favorites — Browse, search and favorite every QR/barcode you scanned or generated — stored only in your browser, exportable as CSV or JSON, never uploaded.
• QR Templates — Start from nine print-ready QR presets — business card, Wi-Fi, menu, event, product and more — then edit content and styling before export.
• Invoice & Bill Generator — Create professional invoices, bills & quotes with tax, discounts, UPI QR and instant PDF — 100% private in your browser.
• Receipt Maker — Generate instant printable bills & receipts — 188 niche templates across 13 categories, each category its own separate list. Real fuel-station POS rolls (IndianOil, HP, BPCL, Shell, Jio-bp, Nayara), CNG slips, FASTag & parking tokens, restaurant and café rolls, pharmacy batch/expiry bills, hospital & lab invoices, metered utility bills, GST invoices, payslips and vouchers. 100% private in your browser.