Tool directory
All ToolMint tools
Browse 103 free online utilities by category. Open a tool for its controls, supported formats, usage notes and any important limitations before processing your data.
Calculator tools (12)
- Percentage CalculatorCalculate percentages, discounts, increases and decreases.
- GST CalculatorCalculate GST inclusive and exclusive amounts instantly.
- Discount CalculatorCalculate final price, savings and extra discounts.
- BMI CalculatorCalculate BMI, category and healthy weight range.
- EMI CalculatorCalculate monthly EMI, total interest and total payment.
- Land Area ConverterConvert land and plot area between square feet, square meter, square yard, acre, hectare, bigha, marla and more.
- Date Difference CalculatorCalculate days between dates, date duration, weekdays, weekends, total weeks and add or subtract days from any date.
- Loan CalculatorCalculate loan monthly payment, total interest, total payment and payoff estimate with extra monthly payment options.
- Simple Interest CalculatorCalculate simple interest online using principal amount, annual interest rate and time period in years, months or days.
- Compound Interest CalculatorCalculate compound interest online, maturity amount, total interest and compare compound interest with simple interest instantly.
- SIP CalculatorCalculate SIP maturity value, total invested amount and estimated returns for monthly mutual fund investments.
- Currency ConverterConvert USD, INR, EUR, GBP, AED and more currencies with live rates when available, approximate fallback rates and quick copy result.
Color tools (4)
- Color PickerPick colors and convert HEX to RGB, HSL, HSV and CMYK online with copy-ready color values.
- Contrast CheckerCheck color contrast ratio for foreground and background colors using WCAG AA and AAA accessibility standards.
- Gradient GeneratorCreate CSS linear and radial gradients online with live preview, presets, random gradients and copy-ready CSS code.
- Color Palette GeneratorGenerate random, analogous, complementary, triadic and monochrome color palettes with copy-ready HEX and CSS variables.
Developer tools (24)
- JSON FormatterValidate JSON syntax and format valid JSON with readable indentation. Copy the formatted result directly from your browser.
- QR GeneratorCreate a QR code from text or a URL, preview it, and download it as a PNG in your browser.
- Password GeneratorGenerate cryptographically random passwords in your browser with a chosen length and character types.
- UUID GeneratorGenerate a random UUID version 4 with the browser Web Crypto API and copy it for your application.
- Base64 Encoder / DecoderEncode Unicode text as UTF-8 Base64 or decode Base64 back to readable text in your browser.
- URL Encoder / DecoderEncode and decode URLs, query strings, URL components, spaces and special characters instantly.
- JWT DecoderDecode JSON Web Tokens, inspect header and payload, check expiry time and read JWT claims instantly.
- Hash GeneratorGenerate MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes online for text, files, checksums and HMAC signatures.
- JSON ValidatorValidate JSON online, check JSON syntax errors, format JSON, minify JSON and inspect objects, arrays and keys instantly.
- URL ParserParse URLs online, extract protocol, hostname, path, port, hash fragment and query parameters instantly.
- JSON MinifierMinify JSON online, compress JSON, remove whitespace and reduce JSON size instantly.
- Markdown PreviewWrite markdown online, preview formatted content, copy markdown and create README files, notes, docs and blog drafts instantly.
- HTML FormatterFormat HTML online, beautify HTML code, minify HTML, fix indentation and inspect tags, links and images instantly.
- CSS FormatterFormat CSS online, beautify CSS code, minify CSS, fix indentation and inspect selectors, properties and media queries instantly.
- JavaScript FormatterFormat JavaScript online, beautify JS code, minify JavaScript, check syntax and inspect functions, variables and imports instantly.
- JavaScript MinifierMinify JavaScript online, compress JS code, remove comments, reduce file size and copy compact JavaScript instantly.
- SQL FormatterFormat SQL online, beautify SQL queries, minify SQL, uppercase keywords and inspect statements, SELECTs, JOINs and WHERE clauses.
- HTML MinifierMinify HTML online, compress HTML code, remove comments, collapse whitespace and reduce HTML size instantly.
- CSS MinifierMinify CSS online, compress CSS code, remove comments, reduce stylesheet size and copy compact CSS instantly.
- XML FormatterFormat XML online, beautify XML, minify XML, validate XML syntax and inspect tags, attributes and comments instantly.
- YAML FormatterFormat YAML online, validate YAML syntax, convert YAML to JSON and inspect keys, lists, comments and file size instantly.
- Barcode GeneratorGenerate CODE128, EAN-13, UPC, ITF-14, MSI and Pharmacode barcodes online with SVG and PNG download.
- SHA256 GeneratorGenerate real SHA-256 hashes from text or files online in your browser using the Web Crypto API.
- MD5 GeneratorGenerate real MD5 hashes from text or files online in your browser with copy and download options.
Image tools (1)
Image & PDF tools (9)
- Image ResizerResize JPG, PNG and WEBP images online with custom width, height, aspect ratio lock, crop mode and quick standard sizes.
- Image ConverterConvert JPG, PNG, WEBP and AVIF images online in your browser with preview, quality control and instant download.
- JPG to PNGConvert JPG and JPEG images to PNG online in your browser with preview, file size comparison and instant download.
- PNG to JPGConvert PNG images to JPG online in your browser with quality control, background color, preview and instant download.
- WEBP ConverterConvert images to WEBP, WEBP to JPG and WEBP to PNG online in your browser with preview, quality control and instant download.
- Image to Base64Convert images to Base64 online in your browser, generate Data URL, copy Base64 code and download the result as text.
- PDF MergeMerge multiple PDF files online in your browser, reorder documents, combine pages and download one merged PDF.
- PDF SplitSplit PDF files online in your browser, extract page ranges, custom pages or every page as separate PDF files.
- Image to PDFConvert JPG, PNG and WEBP images to PDF online in your browser, arrange image order and download one PDF file.
PDF tools (24)
- PDF to Image ConverterConvert PDF pages to PNG or JPG images in your browser with page range, quality and resolution options.
- PDF Rotate PagesRotate all PDF pages or selected PDF pages by 90, 180 or 270 degrees directly in your browser.
- PDF Metadata ViewerView PDF title, author, subject, keywords, creator, producer, dates, page count and file size in your browser.
- PDF Metadata RemoverRemove basic PDF document metadata like title, author, subject, keywords, creator and producer in your browser.
- PDF Page Number AdderAdd page numbers to PDF online for free. Choose position, start number, style, color, margin, prefix, suffix and selected pages.
- Watermark PDFAdd text or image watermark to PDF online for free. Create confidential, draft, sample or custom watermarks with opacity, rotation, position and selected pages.
- Delete PDF PagesDelete pages from PDF online for free. Remove selected pages, ranges, odd or even pages with visual thumbnails and browser-side privacy.
- Extract PDF PagesExtract pages from PDF online for free. Select pages visually, use page ranges, extract into one PDF or separate PDF files with browser-side privacy.
- Organize PDFOrganize PDF pages online for free. Reorder, delete, duplicate and rotate PDF pages visually with browser-side privacy.
- Insert Blank Page into PDFInsert blank pages into PDF online for free. Add pages before, after, at the beginning or end with custom size, orientation and background color.
- PDF Page Size ConverterResize PDF page size online for free. Convert PDF to A4, A5, Letter, Legal or custom size with margins, fit modes and selected pages.
- Crop PDFCrop PDF online for free. Remove PDF margins, trim PDF pages and crop selected PDF pages with accurate units and browser-side privacy.
- PDF CompressorCompress PDF online in your browser with preserve-quality and image compression modes. Results depend on PDF content and may not always be smaller.
- PDF Text ExtractorExtract embedded text from PDF files online in your browser. Convert PDF to TXT, extract selected pages and detect scanned pages without OCR.
- PDF Header/FooterAdd headers and footers to PDF pages online in your browser with page numbers, filename, date, alignment, color and selected pages.
- PDF ValidatorValidate and inspect PDF files online in your browser. Check PDF parsing, pages, metadata, text extraction and common PDF issues without upload.
- PDF Security InfoInspect PDF security, metadata, JavaScript markers, embedded files, forms, annotations and parser compatibility in your browser.
- PDF Repair LiteRebuild accessible PDF pages into a fresh PDF in your browser. Repair Lite is best-effort and does not bypass passwords or guarantee full recovery.
- PDF OCRExtract editable text from scanned PDFs with real browser-side OCR, multilingual language models, page ranges, DPI presets, UTF-8 TXT export and no server upload.
- PDF to JPG ConverterConvert PDF pages to JPG images online with page selection, range support, JPG quality, resolution scale, previews and ZIP download.
- PDF to PNG ConverterConvert PDF pages to PNG images online with page selection, DPI resolution control, previews, individual downloads and ZIP export.
- PDF FlattenFlatten PDF form fields online in your browser with preserve-quality form flattening, visual image flattening, verification and privacy-first processing.
- PDF CompareCompare two PDF files online in your browser with document analysis, metadata checks, extractable text differences and rendered visual page comparison.
- PDF Redaction LiteRedact visible PDF content in your browser with rectangle selection and rasterized output. Always verify the final file before sharing sensitive information.
SEO tools (16)
- SEO Meta Tag GeneratorGenerate SEO meta tags, Open Graph tags and Twitter card tags for websites with live previews and copy-ready HTML.
- Robots.txt GeneratorCreate robots.txt files online with allow, disallow, sitemap, crawl delay and custom search engine crawler rules.
- Sitemap GeneratorGenerate SEO-friendly XML sitemaps online with page URLs, last modified date, change frequency and priority settings.
- Open Graph Preview GeneratorFetch, preview and generate Open Graph and Twitter Card meta tags for SEO-friendly social sharing.
- Google SERP Preview GeneratorPreview approximate Google-style search snippets with SEO title, URL and meta description length checks for desktop and mobile.
- Meta Description GeneratorGenerate template-based SEO meta description ideas with keyword, audience, tone and character length guidance.
- Keyword Density CheckerCheck keyword density, target keyword count, top repeated words and SEO phrase frequency in your content.
- Heading Tag CheckerCheck H1 to H6 heading tags, heading structure, H1 count, empty headings and SEO heading order issues.
- Alt Text CheckerCheck image alt text for SEO and accessibility issues including missing, empty, duplicate and long alt attributes.
- Canonical URL CheckerCheck canonical tags, missing canonical URLs, duplicate canonical tags and SEO canonical issues from a URL or HTML.
- Broken Link CheckerFind broken links, internal links, external links, duplicate links and unknown link status from a URL or HTML.
- Noindex Nofollow CheckerCheck robots meta tags and X-Robots-Tag headers for noindex, nofollow, noarchive, nosnippet and indexability issues.
- Robots Meta Tag GeneratorGenerate robots meta tags for index, noindex, follow, nofollow, snippets, image previews and crawler directives.
- Schema Markup GeneratorGenerate JSON-LD structured data for Website, Organization, Article, FAQ, Breadcrumb and Product schema.
- On-Page SEO CheckerAudit title, meta description, headings, canonical URL, robots directives, image alt text, links and content length.
- Page Size CheckerAnalyze real page HTML size, transfer size, response time, resource counts, compression headers and performance risk.
Text tools (13)
- Word CounterCount words, characters, sentences, paragraphs and lines, with estimated reading and speaking time as you type.
- Character CounterCheck text length, characters with and without spaces, letters, numbers, special characters, words and lines.
- Case ConverterConvert text to uppercase, lowercase, title case and more.
- Line CounterCount lines online, including total lines, non-empty lines, empty lines, words, characters and paragraphs instantly.
- Remove Duplicate LinesRemove duplicate lines online, clean repeated text, deduplicate lists, emails, keywords and IDs instantly.
- Remove Empty LinesRemove empty lines online, delete blank lines, clean whitespace-only lines and format text lists instantly.
- Text SorterSort text lines online alphabetically, reverse order, by line length, remove empty lines and organize lists instantly.
- Text ReverserReverse text online, reverse characters, words, lines and word order instantly with a free text reverser tool.
- Slug GeneratorGenerate SEO-friendly URL slugs online from titles, headings, product names and blog post ideas instantly.
- Find & ReplaceFind and replace text online, replace words, remove patterns, use regex mode and copy cleaned text instantly.
- Lorem Ipsum GeneratorGenerate lorem ipsum dummy text online for designs, websites, mockups, layouts, blogs and content placeholders instantly.
- Password Strength CheckerEstimate password strength locally, view a rule-based score, get improvement tips and privacy-friendly feedback without a breach database check.
- Text CompareCompare text online, check differences line by line, find added, removed and changed lines instantly.