The best affiliate programs like PDF-API.io in 2025

VideoPlus is a powerful and user-friendly video downloader that allows users to effortlessly download videos and audio from over 1,000 websites, including popular platforms like Facebook, Instagram, TikTok, Twitter, and more. With support for a wide range of formats such as MP4, MOV, FLV, AVI, WEBM, and MKV, VideoPlus makes it easy to enjoy your favorite content offline, anytime and anywhere. The tool features batch downloads, HLS and DASH stream support with seamless merging of video and audio, a built-in media player for previewing content before downloading, and convenient QR code sharing for quick transfers to mobile devices. VideoPlus is available as a free extension with unlimited downloads and offers premium plans for those seeking enhanced features like unlimited HD downloads, recording capabilities, and priority support.

This service is ideal for content creators, marketers, students, and anyone who wants hassle-free access to online videos for offline viewing, sharing, or archiving. Affiliates will find VideoPlus appealing to promote due to its broad compatibility, free entry-level tier, and valuable premium upgrades, making it a compelling solution for a wide audience seeking control over their online video consumption.

twelve.tools is a curated directory that showcases twelve new digital tools every day, spanning a wide range of categories such as marketing, productivity, design, artificial intelligence, developer tools, and more. The platform is designed to help professionals, entrepreneurs, and tech enthusiasts discover the latest and most innovative software solutions, making it easy to find tools that boost efficiency, creativity, and business growth. Users can browse by category, stay updated on trending solutions, and even submit their own tools for inclusion in the directory.

This service is ideal for anyone looking to stay ahead of the curve in the fast-evolving tech landscape, including startups, digital agencies, and individual creators. Affiliates will find twelve.tools an attractive program to promote due to its strong appeal among early adopters, constant stream of fresh content, and value to audiences seeking the best new tools for their work and projects.

Trydeepwork is a productivity platform specifically engineered for individuals with ADHD and those who struggle with focus. The system takes a holistic, adaptive approach, learning users’ unique attention patterns and optimizing deep work sessions for peak productivity. Unlike traditional rigid timers, Trydeepwork offers flexible session lengths, adaptive breaks, goal-setting frameworks based on psychological research, focus-enhancing audio options, and customizable intensity levels. Its intelligent task management tools prioritize high-impact work, reduce overwhelm, and streamline decision-making, while in-depth analytics help users visualize and improve their real focus patterns over time.

This solution is ideal for professionals, academics, creatives, and anyone seeking to overcome distractions and maintain consistent deep work habits—especially those with ADHD or similar attention challenges. Affiliates will find Trydeepwork a compelling offer to promote, as it combines science-backed methods, a user-focused design, and proven effectiveness, making it a valuable tool for improving productivity and achieving meaningful goals.

Torii Image Translator is a powerful browser extension and web-based tool designed to translate text within images instantly and seamlessly on any website or from local files. Tailored especially for manga, comics, and image-heavy content, Torii leverages advanced AI translation models to deliver high-quality, fast translations directly in place—making it appear as though the original image was always in your language. Its robust toolkit includes features like editable translations, AI-powered cleanup and paint tools for erasing and redrawing text, smart cropping for targeted translation, and bulk translation with convenient batch downloads, all within a smooth and intuitive interface.

This solution is ideal for manga and manhwa readers, translators, scanlators, and anyone who regularly encounters untranslated images on the web or in their personal files. With support for all major browsers, a fair free tier, and competitive pricing, Torii Image Translator stands out as a must-have for casual readers and professional localization teams alike. Affiliates can confidently recommend Torii as a versatile, user-friendly, and innovative image translation tool that solves a widespread need for global audiences.

Grammarly is a leading AI-powered writing assistant that helps users improve their writing by providing real-time grammar, spelling, punctuation, and style suggestions. It's designed to enhance communication for a wide range of users, from students and professionals to content creators and casual writers. With Grammarly, users can refine their writing in emails, social media posts, essays, and even business documents, ensuring clarity, correctness, and engagement.

Grammarly's advanced features include tone detection, vocabulary enhancement, and plagiarism detection, making it a valuable tool for anyone looking to communicate more effectively. The platform is available as a browser extension, desktop app, and mobile keyboard, ensuring that users can write with confidence wherever they are.

Ideal for promoting to a broad audience, Grammarly appeals to individuals looking to improve their writing skills, businesses aiming to maintain professional communication standards, educators, and students. By joining Grammarly’s affiliate program, publishers can tap into a product that is highly relevant, widely used, and trusted by millions worldwide.

InvoiceAhoy is a streamlined invoicing solution designed for developers and businesses that need to create, store, and deliver professional invoices directly from any web platform. Featuring an easy-to-use API, pre-built invoice templates, and integration options like Zapier, InvoiceAhoy takes the hassle out of invoice generation. With built-in compliance for global jurisdictions, automatic translation for localized customer communication, and secure encrypted document storage, users can quickly generate and send invoices that look great and meet all regulatory requirements.

This service is ideal for SaaS companies, online marketplaces, freelancers, and any business that needs reliable, automated invoicing integrated into their workflows. Affiliates will find InvoiceAhoy an attractive option to promote due to its developer-friendly approach, flexible pricing plans, and broad appeal for businesses seeking an efficient, compliant, and modern invoicing solution.

Reffresh.com is a user-friendly platform that enables developers and teams to quickly create mock APIs without any coding required. Designed to streamline the development and testing process, Reffresh.com allows users to set up customizable API endpoints in just a few clicks, making it easy to simulate real-world scenarios and accelerate product development. The service emphasizes simplicity and efficiency, offering an intuitive interface that eliminates the need for complex configurations or technical expertise.

This solution is ideal for software developers, QA testers, and project managers who need reliable mock APIs for prototyping, testing, or demonstrating applications. Affiliates will find Reffresh.com an attractive product to promote due to its broad appeal across technical and non-technical audiences, its focus on saving time and reducing development friction, and its potential to become an essential tool in any modern development workflow.

Pricetag is a native Mac application designed specifically for developers who want to manage app, in-app purchase, and subscription pricing efficiently through the App Store Connect API. It streamlines the entire pricing process, allowing users to set region-specific prices based on purchasing power parity, copy existing prices, apply discounts with automated calculations, and utilize custom datasets for consistent pricing strategies. With a user-friendly interface and robust automation, Pricetag eliminates the manual, time-consuming work typically required to adjust prices across multiple territories, making it an essential tool for developers looking to optimize their app revenue.

Pricetag is particularly beneficial for iOS developers, app managers, and businesses overseeing multiple products or targeting international markets. It is ideal for those planning pricing experiments, aiming to maximize revenue outside the US, or operating in countries with fluctuating currencies. Affiliates promoting Pricetag can confidently recommend a highly rated, in-demand solution that saves developers hours of tedious work and helps them increase global earnings, making it a compelling choice for anyone in the app development ecosystem.

LocalCan is a developer tool designed to streamline the process of exposing local applications to the internet or local networks using user-friendly public URLs and .local domains. It enables developers to instantly publish their localhost projects with secure, persistent public URLs, making it simple to share work with clients, test webhooks, OAuth integrations, and access apps across devices without complex configuration. With unlimited .local domains, automatic HTTPS, and robust traffic inspection and replay capabilities, LocalCan offers a seamless workflow for web and SaaS developers who need to test, debug, and collaborate efficiently. It stands out as a top alternative to tools like Ngrok, praised for its ease of use and reliability, and supports a broad range of frameworks, including Next.js, Vite, Laravel, Node.js, and more.

This tool is ideal for individual developers, small teams, and agencies who regularly build, test, or demo web applications and require quick, secure ways to expose local projects. Affiliates will find LocalCan attractive to promote due to its strong word-of-mouth reputation, time-saving features, and straightforward pricing, making it a compelling solution for developers seeking to simplify their development and testing processes.

InvoicingAPI is a versatile and developer-friendly invoicing platform designed to make creating, customizing, and managing invoices seamless for businesses of all sizes. With support for global tax regulations, a robust library of customizable templates, and the ability to generate beautifully formatted PDF invoices via a simple API call, InvoicingAPI streamlines the entire invoicing process. Users can invoice clients in any currency, integrate payment links for faster transactions, and manage payments, refunds, and payouts from an intuitive dashboard—all while enjoying a generous free tier and no fees on payments. The platform is platform-independent, supports unlimited app integrations with a single API key, and offers built-in safeguards to prevent accidental request overloads.

InvoicingAPI is a perfect solution for SaaS providers, e-commerce businesses, marketplaces, consultants, POS systems, and CRM developers looking to add dynamic, tax-compliant invoicing without heavy development overhead. Its ease of integration, high degree of customization, and focus on security and scalability make it an excellent choice for affiliates to promote, appealing to a broad audience of businesses seeking efficient and reliable invoicing solutions.