# Tool Pantry

> Tool Pantry is a free collection of 122 browser-based utilities: image compression, resizing and conversion; PDF tools; calculators; developer tools; SEO helpers; and freelancer and small-business templates. Every tool runs entirely in the visitor's browser — files are never uploaded to a server — with no signup and no cost. Every page is also available as Markdown: append .md to any URL, or request it with Accept: text/markdown.

## Core pages

- [Image Compressor & Resizer](https://toolpantry.app/index.md): Compress JPG, PNG, and WebP images and resize photos locally in the browser. The flagship tool.
- [Privacy](https://toolpantry.app/privacy.md): Local processing details, inventory tracker localStorage use, hosting logs, and advertising status.
- [Full site content](https://toolpantry.app/llms-full.txt): One file with the Markdown of every page.

## Tools

### Images & design

- [Compress images](https://toolpantry.app/index.md): Make files lighter for websites, email, and stores.
- [Resize images](https://toolpantry.app/index.md): Set a max width, height, or a social media preset.
- [Convert formats](https://toolpantry.app/index.md): Turn PNGs into WebP, JPGs into PNGs, and more.
- [Crop for social](https://toolpantry.app/index.md): Fill exact Open Graph, LinkedIn, Instagram, or YouTube sizes.
- [Make a favicon](https://toolpantry.app/index.md): Turn a logo or image into a clean square icon in seconds.
- [Clean image data](https://toolpantry.app/index.md): Re-encode a file locally to remove embedded metadata.
- [Image info](https://toolpantry.app/image-info.md): Check dimensions, aspect ratio, format, and file size instantly.
- [Color palette](https://toolpantry.app/image-palette.md): Pull a useful six-color palette from any image.
- [Color blindness simulator](https://toolpantry.app/color-blindness-simulator.md): Preview common color-vision differences before you publish a design.
- [Color converter](https://toolpantry.app/color-converter.md): Translate HEX, RGB, HSL, and CMYK values with a live swatch and contrast hint.
- [Image to Base64](https://toolpantry.app/image-to-base64.md): Turn a small image into a copyable data URI for HTML and CSS.
- [Blur & pixelate](https://toolpantry.app/image-blur.md): Hide faces, names, and sensitive details before sharing.
- [Split image grid](https://toolpantry.app/image-splitter.md): Cut a photo into evenly sized tiles for social posts.
- [Add a watermark](https://toolpantry.app/image-watermark.md): Place a light text mark on a photo and download a PNG.
- [Pick image colors](https://toolpantry.app/image-color-picker.md): Sample exact HEX, RGB, and HSL values from any pixel.
- [DPI calculator](https://toolpantry.app/image-dpi-calculator.md): Convert pixel dimensions into print inches and centimeters.
- [Black & white](https://toolpantry.app/image-grayscale.md): Make a clean grayscale photo with adjustable contrast.
- [Aspect ratio calculator](https://toolpantry.app/aspect-ratio-calculator.md): Find a simplified ratio and calculate the missing image dimension.
- [Compress to 100KB](https://toolpantry.app/compress-image-to-100kb.md): Hit a file-size limit for forms, uploads, and email.

### Utilities

- [JSON formatter](https://toolpantry.app/json-formatter.md): Format, validate, minify, and copy JSON locally.
- [UTM link builder](https://toolpantry.app/utm-builder.md): Create campaign tracking URLs for analytics.
- [Password generator](https://toolpantry.app/password-generator.md): Make a random password without sending it anywhere.
- [QR code generator](https://toolpantry.app/qr-code-generator.md): Create a static QR code for a URL, text, email, or phone.
- [Time calculator](https://toolpantry.app/time-duration-calculator.md): Calculate hours, breaks, decimal time, and overnight shifts.
- [Online timer & stopwatch](https://toolpantry.app/online-timer.md): Run a precise countdown or stopwatch with presets, pause, laps, and fullscreen.
- [Percentage calculator](https://toolpantry.app/percentage-calculator.md): Calculate percent of, percent change, increases, decreases, and reverse values.
- [Unit converter](https://toolpantry.app/unit-converter.md): Convert length, mass, temperature, area, volume, speed, time, and data locally.
- [Scientific calculator](https://toolpantry.app/scientific-calculator.md): Evaluate trigonometry, logarithms, powers, roots, and factorials locally.
- [Mortgage calculator](https://toolpantry.app/mortgage-calculator.md): Estimate payment, interest, taxes, insurance, PMI, HOA, and payoff time locally.
- [Age calculator](https://toolpantry.app/age-calculator.md): Find exact years, months, days, total days, and your next birthday locally.
- [Fraction calculator](https://toolpantry.app/fraction-calculator.md): Add, subtract, multiply, divide, and compare fractions with reduced answers and working.
- [Tip calculator](https://toolpantry.app/tip-calculator.md): Calculate tip, tax, group total, round-up, and each person's share locally.
- [GPA calculator](https://toolpantry.app/gpa-calculator.md): Calculate weighted, unweighted, semester, and cumulative GPA from course credits locally.
- [Discount calculator](https://toolpantry.app/discount-calculator.md): Find sale price, savings, stacked discounts, sales tax, and checkout total locally.
- [Loan calculator](https://toolpantry.app/loan-calculator.md): Estimate fixed-rate payment, total interest, payoff time, extra-payment savings, and amortization locally.
- [BMI calculator](https://toolpantry.app/bmi-calculator.md): Calculate adult BMI in metric or imperial units with category and healthy-weight range.
- [Number to words](https://toolpantry.app/number-to-words.md): Spell out numbers and currency amounts for checks, invoices, contracts, and receipts.
- [Random number generator](https://toolpantry.app/random-number-generator.md): Generate batches with ranges, decimals, unique values, sorting, and copy-ready results.
- [Time zone meeting planner](https://toolpantry.app/timezone-meeting-planner.md): Convert meeting times across cities and find shared working-hour windows with DST-aware local calculations.
- [Roman numeral converter](https://toolpantry.app/roman-numeral-converter.md): Convert integers and validate standard Roman numerals with subtractive notation and visible breakdowns.
- [Random name picker](https://toolpantry.app/random-name-picker.md): Draw winners without repeats, shuffle a list, or split people into balanced teams locally.
- [Typing speed test](https://toolpantry.app/typing-test.md): Measure net and gross WPM, accuracy, errors, and characters per minute with local practice passages.
- [Fancy text generator](https://toolpantry.app/fancy-text-generator.md): Turn plain text into bold, cursive, bubble, gothic, fullwidth, and other copy-ready Unicode styles.
- [Lorem Ipsum generator](https://toolpantry.app/lorem-ipsum-generator.md): Generate placeholder copy by paragraphs, sentences, words, or characters with plain, HTML, Markdown, and JSON output.
- [YouTube thumbnail downloader](https://toolpantry.app/youtube-thumbnail-downloader.md): Preview and save maxres, HD, standard, medium, and default thumbnails from a YouTube URL or video ID.
- [EMI calculator](https://toolpantry.app/emi-calculator.md): Estimate monthly EMI, total interest, amortization, and the impact of monthly or one-time prepayments locally.
- [Barcode generator](https://toolpantry.app/barcode-generator.md): Create Code 128, Code 39, EAN-13, or UPC labels.
- [Invoice generator](https://toolpantry.app/invoice-generator.md): Calculate line items and print a simple invoice or PDF.
- [Word counter](https://toolpantry.app/text-counter.md): Count words, characters, sentences, and reading time.
- [Meta tag generator](https://toolpantry.app/meta-tag-generator.md): Create SEO, Open Graph, and Twitter card tags.
- [World clock](https://toolpantry.app/world-clock.md): Check the current time in cities around the world.

### Developer

- [UUID generator](https://toolpantry.app/uuid-generator.md): Generate v4 UUIDs in batches and copy or download them.
- [JWT decoder](https://toolpantry.app/jwt-decoder.md): Inspect JWT header and payload claims locally without verification.
- [URL encoder / decoder](https://toolpantry.app/url-encoder-decoder.md): Encode query values or decode URL text without sending it anywhere.
- [JSON ↔ CSV converter](https://toolpantry.app/json-csv-converter.md): Convert arrays and tabular data locally, with quoted CSV support.
- [Regex tester](https://toolpantry.app/regex-tester.md): Test JavaScript patterns, flags, captures, and replacements.
- [SHA hash generator](https://toolpantry.app/hash-generator.md): Create SHA-256, SHA-384, or SHA-512 hashes from text locally.
- [XML formatter](https://toolpantry.app/xml-formatter.md): Validate and pretty-print XML with readable indentation.
- [Markdown preview](https://toolpantry.app/markdown-preview.md): Render headings, lists, links, and code into clean HTML locally.
- [Cron expression tool](https://toolpantry.app/cron-expression-tool.md): Parse five-field cron syntax and see the next scheduled runs.
- [IPv4 subnet calculator](https://toolpantry.app/subnet-calculator.md): Calculate network ranges, masks, broadcasts, and usable hosts.

### PDF

- [JPG to PDF](https://toolpantry.app/jpg-to-pdf.md): Combine JPG or PNG images into a clean, ordered PDF.
- [Merge PDF](https://toolpantry.app/merge-pdf.md): Join multiple PDF files in a chosen order directly in your browser.
- [Extract PDF pages](https://toolpantry.app/extract-pdf-pages.md): Keep selected pages from a PDF and download a smaller document.
- [YAML ↔ JSON converter](https://toolpantry.app/yaml-json-converter.md): Convert configuration data locally without uploading secrets.
- [SQL formatter](https://toolpantry.app/sql-formatter.md): Turn dense SQL into readable clauses and indentation in your browser.
- [XML ↔ JSON converter](https://toolpantry.app/xml-json-converter.md): Move API payloads while keeping attributes and repeated elements visible.
- [Code minifier](https://toolpantry.app/minify-tool.md): Minify JSON, HTML, CSS, or JavaScript locally before you ship.
- [HTML / CSS formatter](https://toolpantry.app/html-formatter.md): Pretty-print HTML, CSS, or JavaScript with readable indentation in your browser.
- [CSS unit converter](https://toolpantry.app/css-unit-converter.md): Convert PX, REM, and EM values, batch-rewrite CSS pixels, and build clamp().
- [Split PDF](https://toolpantry.app/split-pdf.md): Turn every PDF page into a separate local PDF download.
- [Rotate PDF](https://toolpantry.app/rotate-pdf.md): Turn every page by 90, 180, or 270 degrees in your browser.

### Creator

- [Social media sizes](https://toolpantry.app/social-media-size-guide.md): Check Instagram, TikTok, YouTube, Facebook, LinkedIn, and Pinterest dimensions.
- [Hashtag generator](https://toolpantry.app/hashtag-generator.md): Build a transparent starter set for YouTube, TikTok, or Instagram.
- [YouTube tag generator](https://toolpantry.app/youtube-tag-generator.md): Build, review, and copy a focused comma-separated tag list within a visible character budget.
- [Email signature generator](https://toolpantry.app/email-signature-generator.md): Create a clean inline HTML signature for Gmail, Outlook, Apple Mail, or Thunderbird.
- [CSS gradient generator](https://toolpantry.app/css-gradient-generator.md): Build linear, radial, or conic backgrounds and copy the CSS locally.
- [Meme generator](https://toolpantry.app/meme-generator.md): Add classic captions to an image and download a clean PNG without a watermark.
- [Open Graph image](https://toolpantry.app/og-image-generator.md): Create a 1200×630 social sharing image and copy starter meta tags.
- [SERP preview](https://toolpantry.app/serp-preview.md): Preview an SEO title, URL, and description with local character and pixel checks.
- [SVG to PNG](https://toolpantry.app/svg-to-png.md): Rasterize an SVG to PNG or JPG with a scale and background choice.

### Text & data

- [JSON diff](https://toolpantry.app/json-diff.md): Compare two JSON documents and inspect changed paths.
- [Remove duplicate lines](https://toolpantry.app/line-tools.md): Clean, deduplicate, sort, copy, or download a text list.
- [Unix timestamp converter](https://toolpantry.app/timestamp-converter.md): Convert epoch seconds or milliseconds to readable dates.
- [HTML to Markdown](https://toolpantry.app/html-to-markdown.md): Convert headings, links, lists, and basic tables for docs and prompts.
- [JSON validator](https://toolpantry.app/json-validator.md): Check JSON syntax, inspect parse errors, and copy a formatted result locally.
- [JSON Schema validator](https://toolpantry.app/json-schema-validator.md): Check types, required fields, properties, arrays, enums, and common limits locally.

### Conversion

- [WebP to JPG](https://toolpantry.app/webp-to-jpg.md): Convert a WebP image to a broadly compatible JPG with quality control.
- [Favicon generator](https://toolpantry.app/favicon-generator.md): Create browser, Apple touch, and app icon PNG sizes from one logo.
- [JPG to PNG](https://toolpantry.app/jpg-to-png.md): Convert a JPEG into a lossless PNG copy for editors and upload forms.
- [PNG to WebP](https://toolpantry.app/png-to-webp.md): Make a smaller WebP copy while keeping transparent pixels.
- [WebP to PNG](https://toolpantry.app/webp-to-png.md): Create a lossless PNG copy for editors and forms that reject WebP.
- [PNG to JPG](https://toolpantry.app/png-to-jpg.md): Export a compatible JPG with quality and transparency background controls.

### SEO

- [Schema markup generator](https://toolpantry.app/schema-markup-generator.md): Build Article, FAQ, Product, LocalBusiness, Organization, or WebSite JSON-LD.
- [AI Agent Readiness Checker](https://toolpantry.app/agent-ready-checker.md): Score any site's AI-search readiness: llms.txt, Markdown, JSON-LD, robots, sitemap.
- [AI Agent Readiness Report 2026](https://toolpantry.app/ai-agent-readiness-report.md): We tested 184 popular tool sites: only 1.6% can serve Markdown to AI agents.

### Business

- [Quote generator](https://toolpantry.app/quote-generator.md): Create a clean estimate with line items and a validity date.
- [Quote to invoice](https://toolpantry.app/quote-to-invoice.md): Turn a completed quote into a printable invoice in one step.
- [Receipt generator](https://toolpantry.app/receipt-generator.md): Make a simple payment receipt and save it as a PDF.
- [Payment reminder email](https://toolpantry.app/payment-reminder-email.md): Write a polite follow-up for an unpaid invoice.
- [Contractor estimate](https://toolpantry.app/contractor-estimate-generator.md): Prepare a job estimate for repairs, cleaning, or trade work.
- [Hourly rate calculator](https://toolpantry.app/hourly-rate-calculator.md): Find a sustainable minimum rate from income and business costs.
- [Project pricing calculator](https://toolpantry.app/project-pricing-calculator.md): Turn hours, expenses, and a buffer into a project price.
- [Expense tracker](https://toolpantry.app/expense-tracker.md): Log project expenses, see the total, and download a CSV.
- [Retainer pricing calculator](https://toolpantry.app/retainer-pricing-calculator.md): Price a monthly service package from hours, costs, and capacity.
- [Timesheet calculator](https://toolpantry.app/timesheet-calculator.md): Track weekly hours, billable time, and the value of your work.
- [Keyword cluster tool](https://toolpantry.app/keyword-cluster-tool.md): Group a pasted keyword list, remove duplicates, and export CSV.
- [Client onboarding checklist](https://toolpantry.app/client-onboarding-checklist.md): Build a reusable project kickoff checklist and export Markdown.
- [Proposal generator](https://toolpantry.app/proposal-generator.md): Turn a project brief into a clear service proposal.
- [Statement of work](https://toolpantry.app/statement-of-work-generator.md): Outline scope, deliverables, timeline, and exclusions.
- [Payment schedule](https://toolpantry.app/payment-schedule-calculator.md): Split a project price into deposit and milestone payments.
- [Client intake form](https://toolpantry.app/client-intake-form.md): Prepare the questions you need before a project starts.
- [Meeting agenda](https://toolpantry.app/meeting-agenda-generator.md): Create a focused agenda with decisions and action items.

### Ecommerce ops

- [Dimensional weight](https://toolpantry.app/dimensional-weight-calculator.md): Compare actual, DIM, and billable parcel weight.
- [Shipping cost estimator](https://toolpantry.app/shipping-cost-estimator.md): Model delivery fees, fuel surcharge, handling, and insurance.
- [Landed cost calculator](https://toolpantry.app/landed-cost-calculator.md): Estimate the true import cost per product unit.
- [Ecommerce profit margin](https://toolpantry.app/ecommerce-profit-margin-calculator.md): Find profit, break-even price, and target-margin price.
- [Reorder point](https://toolpantry.app/reorder-point-calculator.md): Plan stock replenishment from sales velocity and lead time.
- [CBM volume calculator](https://toolpantry.app/cbm-volume-calculator.md): Calculate carton volume, cubic feet, and volume per unit.
- [Packaging fit checker](https://toolpantry.app/packaging-fit-calculator.md): Test product rotations, padding, and box utilization.
- [Safety stock calculator](https://toolpantry.app/safety-stock-calculator.md): Estimate an inventory buffer from demand and lead-time variability.
- [Free shipping threshold](https://toolpantry.app/free-shipping-threshold-calculator.md): Set a delivery offer while protecting your target margin.
- [Inventory coverage](https://toolpantry.app/inventory-coverage-calculator.md): See days on hand and expected coverage with incoming stock.
- [Inventory spreadsheet](https://toolpantry.app/inventory-spreadsheet-generator.md): Generate a clean SKU and stock CSV template.
- [Inventory tracker](https://toolpantry.app/inventory-tracker.md): Track stock value and flag products at their reorder point.
- [Inventory turnover](https://toolpantry.app/inventory-turnover-calculator.md): Calculate stock turns and days of inventory held.
- [Download time](https://toolpantry.app/download-time-calculator.md): Estimate transfer time from file size and connection speed.
- [Marketplace fees](https://toolpantry.app/marketplace-fee-calculator.md): Break down fees, net payout, profit, and margin.