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Free online tools for developers, SEO, content, design, and legal workflows

Explore every utility in one place. New tools are added in this same /tool/ directory so users can always find and open them directly from this page.

Use practical browser-based utilities for software teams, startups, and marketing workflows. Every tool below includes a clear action button so users can open it immediately.

Developer Utilities

Code formatting and conversion tools for engineering teams.

4 Tools
  • JSON FormatterValidate, format, and minify JSON data.Open Tool
  • JSON to Swift/Kotlin/Java/C#/C++ ConverterGenerate model code from JSON input.Open Tool
  • URL ShortenerCreate short links for sharing and campaigns.Open Tool
  • Markdown to HTML ConverterConvert markdown text into clean HTML quickly.Open Tool

SEO and Content Intelligence

Measure and optimize metadata, keywords, and content structure.

4 Tools
  • Meta Tag AnalyzerReview meta title, description, and key tags.Open Tool
  • Keyword Density CheckerTrack keyword usage and term frequency.Open Tool
  • Word Count CheckerCount words and characters for any content.Open Tool
  • Webpage Word CounterAnalyze total copy count from a page URL.Open Tool

Technical SEO and Crawling

Audit crawl paths and indexing assets for site health.

4 Tools
  • Broken Link CheckerFind dead links before they hurt UX and SEO.Open Tool
  • XML Sitemap GeneratorCreate sitemap files for search engine crawling.Open Tool
  • Robots.txt GeneratorBuild crawl rules for bots and indexing control.Open Tool
  • SEO Meta Tag GeneratorGenerate ready-to-use on-page meta code.Open Tool

Productivity and Design

Visual, billing, and security helpers for daily delivery.

4 Tools
  • Colour Palette GeneratorCreate balanced color combinations for UI.Open Tool
  • Password Strength CheckerTest password quality and security strength.Open Tool
  • Invoice GeneratorGenerate and export invoices for clients.Open Tool
  • Chrome Hidden URLsAccess useful Chrome internal URLs quickly.Open Tool

Legal and Trust Tools

Build legal pages and trust assets for product websites.

4 Tools
  • Privacy Policy GeneratorCreate website privacy policy drafts quickly.Open Tool
  • Terms of Service GeneratorDraft terms for web and app products.Open Tool
  • Copyrights GeneratorGenerate copyright text for your brand assets.Open Tool
  • QR Code GeneratorCreate QR codes for campaigns and documents.Open Tool

PDF Convert and Export

Convert files into and out of PDF formats in one click.

13 Tools
  • JPG To PDFConvert images into a PDF file.Open Tool
  • Word To PDFConvert Word documents to PDF.Open Tool
  • PowerPoint To PDFConvert slide decks to PDF format.Open Tool
  • Excel To PDFExport spreadsheets as PDF documents.Open Tool
  • HTML To PDFRender HTML pages into PDFs.Open Tool
  • PDF To JPGExport PDF pages to images.Open Tool
  • PDF To WordTurn PDF content into editable docs.Open Tool
  • PDF To PowerPointConvert PDF pages into slides.Open Tool
  • PDF To ExcelExtract tables and rows into sheets.Open Tool
  • PDF To PDF/AConvert files for long-term archiving.Open Tool
  • Scan To PDFCreate PDFs from scanned pages.Open Tool
  • OCR PDFRecognize text from scanned documents.Open Tool
  • Translate PDFTranslate PDF content by language.Open Tool

PDF Edit, Organize and Secure

Merge, split, modify, compare, and protect PDFs online.

17 Tools
  • Merge PDFCombine multiple PDFs into one file.Open Tool
  • Split PDFSplit documents into smaller files.Open Tool
  • Remove Pages From PDFDelete selected pages quickly.Open Tool
  • Extract Pages From PDFPull out specific pages into a new file.Open Tool
  • Organize PDFReorder PDF pages visually.Open Tool
  • Compress PDFReduce file size without losing structure.Open Tool
  • Repair PDFRecover and fix damaged PDFs.Open Tool
  • Rotate PDFRotate pages to the right orientation.Open Tool
  • Add Page Numbers To PDFAdd numbering for print-ready files.Open Tool
  • Add Watermark To PDFStamp branding and ownership marks.Open Tool
  • Crop PDFTrim page margins and page areas.Open Tool
  • Edit PDFModify PDF text and layout.Open Tool
  • Unlock PDFRemove password restrictions.Open Tool
  • Protect PDFAdd password protection and limits.Open Tool
  • Sign PDFApply digital signatures on documents.Open Tool
  • Redact PDFHide sensitive information permanently.Open Tool
  • Compare PDFCheck differences between file versions.Open Tool

Engineering and Data Utilities

Practical browser tools for identifiers, parsing, formats, and technical validation.

10 Tools
  • UUID and ULID GeneratorGenerate UUID and ULID values for records, jobs, and event streams.Open Tool
  • Hash and Checksum GeneratorCreate checksums to verify files and payload integrity.Open Tool
  • HMAC Signature GeneratorGenerate secure HMAC signatures for APIs and webhooks.Open Tool
  • JWT Decoder and InspectorDecode JWT payloads and inspect expiry and claim values.Open Tool
  • Base64 URL Encoder and DecoderEncode and decode Base64 and Base64URL safely.Open Tool
  • Unix Timestamp ConverterConvert epoch values into readable local and UTC dates.Open Tool
  • Cron Expression BuilderBuild cron schedules for recurring jobs and automation.Open Tool
  • Regex TesterTest regex patterns and inspect match groups quickly.Open Tool
  • Text Diff CheckerCompare two text versions and view exact line differences.Open Tool
  • CSV JSON ConverterConvert CSV to JSON and JSON back to CSV for data ops.Open Tool

Release, Security, and Operations

Plan rollout, strengthen browser security, and validate delivery controls before launch.

10 Tools
  • YAML JSON ConverterConvert YAML and JSON configuration structures.Open Tool
  • Query String BuilderBuild and parse URL query parameters and UTM tags.Open Tool
  • HTTP Header ParserParse raw request or response headers into structured output.Open Tool
  • IP Subnet CalculatorCalculate network, broadcast, and host ranges from CIDR.Open Tool
  • Semver CalculatorCompare semver versions and plan version bumps.Open Tool
  • Retry Backoff CalculatorModel retry schedules with backoff and jitter.Open Tool
  • Rate Limit SimulatorSimulate API rate limits and blocked request scenarios.Open Tool
  • Feature Flag Rollout SimulatorSimulate gradual feature rollouts by user cohort.Open Tool
  • CSP Policy BuilderAssemble CSP headers for stronger browser security.Open Tool
  • Redirect Rule TesterTest redirect patterns before publishing rewrite rules.Open Tool

Australian Business Essentials

ABN, ACN, and GST tools for local compliance, onboarding, and invoicing workflows.

10 Tools
  • ABN Validator AustraliaValidate ABN structure and checksum for Australian business workflows.Open Tool
  • GST Calculator AustraliaCalculate GST-inclusive and GST-exclusive amounts for Australian invoices.Open Tool
  • ACN Check Digit ValidatorValidate ACN check digits for company verification workflows.Open Tool
  • BAS GST Helper AustraliaEstimate GST payable or refundable for BAS planning.Open Tool
  • Award Pay Uplift Estimator AustraliaEstimate award-related pay uplift and casual loading impact.Open Tool
  • PAYG Withholding Estimator AustraliaEstimate PAYG withholding by pay cycle for payroll planning.Open Tool
  • Super Guarantee Calculator AustraliaCalculate employer super guarantee contributions quickly.Open Tool
  • Contractor vs Employee Cost Calculator AustraliaCompare contractor and employee cost scenarios.Open Tool
  • Hourly To Salary Converter AustraliaConvert hourly rates to annual salary estimates.Open Tool
  • Business Days Calculator AustraliaCalculate working days between project dates.Open Tool
Need a custom tool? Software House can build private, branded versions of these utilities for your app, website, or internal team platform.

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ACKNOWLEDGEMENT OF COUNTRY

Software House acknowledges the Traditional Custodians of the lands on which we live, work, and thrive. We recognise their ongoing connection to land, waters, and community and pay our deepest respects to Elders past, present, and emerging. We extend this respect to all Aboriginal and Torres Strait Islander peoples and honour their rich cultural heritage across Australia.

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As a proud Australian full-service software solutions company, we bring innovation right to your doorstep, tailored for the vibrant Sydney market. Harnessing cutting-edge technology with a local touch, our expertise bridges the gap between global trends and local needs. 

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  • Disclaimer and Limitation of Liability Policy
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