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Free online tools and developer APIs for PDF processing, image optimization, data formatting, and security tasks | Autype is a developer-focused Markdown editor and headless document generation platform with a REST API for workflow automation. Generate professional PDF, DOCX, or ODT documents or fill templates using structured data from Markdown, JSON, or CSV. |
Free browser-based tools, Production-ready REST APIs, Password generator with custom complexity, JSON formatter and validator, Image compressor and converter, PDF to Word/Excel converter, Text case converter and utilities, Hash generators (MD5, SHA256, etc.), Base64 encoder/decoder, JWT token generator and validator, UUID/GUID generator, CSV to JSON/XML converter, SQL query formatter, HTML/CSS/JavaScript minifier, Regular expression tester, Markdown to HTML converter, QR code generator, URL shortener and parser, IP address lookup, SSL certificate checker, Date/time calculator, Unit and currency converter, Webhook support for async processing, Interactive API playground, Comprehensive OpenAPI documentation, SDKs for Python and Node.js, API key management dashboard, Real-time usage analytics, Rate limiting with clear quotas, Team management with roles, OAuth login (GitHub, Google), Two-factor authentication, Transparent pricing tiers, Pay-as-you-go billing, Free tier with 100 API calls, 99.9% uptime SLA for paid plans, Global CDN distribution, Automatic scaling, Request/response logging, Batch processing capabilities, Zapier and n8n integrations, White-label API endpoints, Custom domain support, Dedicated enterprise support, GDPR compliant data handling, Local browser processing for free tools, No data storage for free usage, Encrypted API communications, Regular security audits, Mobile-responsive design, Progressive Web App capabilities, Offline functionality for certain tools, Community forum for discussions, Video tutorials and walkthroughs, 30-day money-back guarantee | Documents, Editor, AI, Docs, Document Automation, Docs Automation, PDF, API, n8n, make, docx, odt, markdown, md, Latex |
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It is the only complete API development environment, used by nearly five million developers and more than 100,000 companies worldwide.

TypeScript is a language for application-scale JavaScript development. It's a typed superset of JavaScript that compiles to plain JavaScript.

This project was formerly known as "Jade." Pug is a high performance template engine heavily influenced by Haml and implemented with JavaScript for Node.js and browsers.

Handlebars.js is an extension to the Mustache templating language created by Chris Wanstrath. Handlebars.js and Mustache are both logicless templating languages that keep the view and the code separated like we all know they should be.

Cloudinary is a cloud-based service that streamlines websites and mobile applications' entire image and video management needs - uploads, storage, administration, manipulations, and delivery.

imgix is the leading platform for end-to-end visual media processing. With robust APIs, SDKs, and integrations, imgix empowers developers to optimize, transform, manage, and deliver images and videos at scale through simple URL parameters.

Paw is a full-featured and beautifully designed Mac app that makes interaction with REST services delightful. Either you are an API maker or consumer, Paw helps you build HTTP requests, inspect the server's response and even generate client code.

OpenCV was designed for computational efficiency and with a strong focus on real-time applications. Written in optimized C/C++, the library can take advantage of multi-core processing. Enabled with OpenCL, it can take advantage of the hardware acceleration of the underlying heterogeneous compute platform.

Combines API test-automation, mocks and performance-testing into a single, unified framework. The BDD syntax popularized by Cucumber is language-neutral, and easy for even non-programmers. Besides powerful JSON & XML assertions, you can run tests in parallel for speed - which is critical for HTTP API testing.

Appwrite's open-source platform lets you add Auth, DBs, Functions and Storage to your product and build any application at any scale, own your data, and use your preferred coding languages and tools.