13+ Best Convertio Alternatives (2025)

Explore top-notch alternatives to Convertio for seamless file conversions and enhanced productivity.

Looking for reliable Convertio alternatives? With numerous options available, it's essential to find a tool that meets your specific needs. Whether you require advanced features, better user experience, or enhanced security, exploring alternatives can lead to improved efficiency. Tools like AVIF Converter and FreeToolSuite offer unique functionalities that cater to various file formats and conversion requirements. Consider factors such as ease of use, conversion speed, and supported formats when choosing the right tool for your projects.

heic-to-pdf-converter

Free online HEIC to PDF converter. Convert HEIC images to PDF instantly. Transform HEIC files to PDF format on Windows, Mac, and iPhone. Multiple HEIC to PDF conversion supported.

AVIF Converter

Transform your AVIF images to JPG or PNG format with our free, fast, and secure online converter. No registration required.

Transform your AVIF images to JPG or PNG format with our free, fast, and secure online converter. No registration required. Convert AVIF, HEIC, WebP images to JPG or PNG online for free, ensuring high quality and supporting batch conversion without the need for signup.

UniConvert

Common conversion in one place

Tired of scattered tools? UniConvert gives you one clean interface to convert files, units, colors, and code - all instantly, all in one tab. With a focus on speed and accuracy, UniConvert is your go-to online tool for all common conversions, available for free on mobile, web, and desktop platforms.

HEIC to PDF

Quickly turn your HEIC files into high-quality PDFs. It's fast and free to get started. No registration required. Privacy guaranteed.

Convert HEIC files to PDF online for free、convert HEIC to PDF、HEIC to PDF converter

Quickly turn your HEIC files into high-quality PDFs with this online tool. It offers fast and free conversion without requiring registration, ensuring your privacy is guaranteed. Users can convert HEIC files to PDF easily, with a limit of 30 files and 20MB per file for local conversion.

Imagetica

Unlock the secrets of image conversion with Imagetica! Explore our comprehensive guides and how-tos to effortlessly navigate various image formats.

Unlock the secrets of image conversion with Imagetica! Explore our comprehensive guides and how-tos to effortlessly navigate various image formats. Transform your images effortlessly with our Online Image Converter, allowing you to convert to 21 formats in just a few clicks. Start now and unleash your creativity with this free online converter.

heic-to-pdf-converter

Free online HEIC to PDF converter. Convert HEIC images to PDF instantly. Transform HEIC files to PDF format on Windows, Mac, and iPhone. Multiple HEIC to PDF conversion supported.

Free online HEIC to PDF converter. Convert HEIC images to PDF instantly. Transform HEIC files to PDF format on Windows, Mac, and iPhone. Multiple HEIC to PDF conversion supported, allowing for batch processing and combining HEIC files into one PDF. Our HEIC to PDF converter simplifies the conversion process.

DocoLine

DocoLine is a free online file converter that supports a wide range of formats, including PDF, Word, Excel, images, source code, and more. Designed for speed and simplicity, DocoLine allows users to upload, convert, and download files in just a few clicks — without signups, watermarks, or software installation. Whether you're converting documents for work, compressing files, or exporting code as PDF, DocoLine offers reliable performance and clean results. Ideal for students, developers, and professionals looking for a no-fuss tool.

DocoLine is a free online file converter that supports various formats like PDF, Word, and images. It offers a fast and simple way to upload, convert, and download files without signups or watermarks. Ideal for students and professionals, DocoLine ensures reliable performance and clean results, making document conversion hassle-free.

ConvertTool

ConvertTool is a powerful online file conversion platform supporting 300+ formats, including documents (PDF, DOC, PPT), images (PNG, JPG, GIF), audio/video (MP3, MP4), and more.

Powered by AI-assisted technology, it enables instant conversion—just upload your file, select the target format, and convert. No registration needed, completely free.

Perfect for office tasks, academic work, and multimedia processing.

(More concise alternative:)

ConvertTool – A free, no-registration platform for converting 300+ file formats (documents, images, audio/video) instantly with AI assistance. Ideal for work, study, and media needs.

ConvertTool is a powerful online file conversion platform supporting 300+ formats, including documents, images, and audio/video. Powered by AI-assisted technology, it enables instant conversion—just upload your file, select the target format, and convert. No registration is needed, making it ideal for office tasks, academic work, and multimedia processing.

HEIC to PNG

Quickly turn your HEIC files into high-quality PNGs. It's fast and free to get started. No registration required. Privacy guaranteed.

Quickly turn your HEIC files into high-quality PNGs with this free online service. No registration is required, ensuring a hassle-free experience while maintaining your privacy. You can convert up to 30 files at a time, with a maximum file size of 20MB each, making it a convenient option for users looking to convert iPhone photos to PNG format.

#10

online tool

OnlineTool.co offers free online tools: online calculators, converters, codings, generators, compressors. Anytime, anywhere, ready when you need it!

OnlineTool.co provides the best free web tools to make your life easier, whether you’re crushing work, hustling on a side project, or just trying to get stuff done faster. With online calculators, converters, coding tools, generators, and compressors available anytime and anywhere, it’s designed to boost productivity for various tasks.

#11

Calcily

Every calculator you need, fully featured, and always accurate.

🔢 Calcily – every calculator you ever need, parked on one page

🧮 One-stop toolbox: unit-&-base conversions, metadata viewer, currency exchange, EMI calculations, color conversions, and customizable QR generation—jump between tasks without leaving the tab.

🎛️ Precision + choice: each calculator offers all the common variants of units so it always fits your case.

📐 Math you can see: calculations appear right under the result, perfect for learning, or quick sanity checks.

🖥️ Zero clutter: crisp fields, instant results, no pop-ups—just type and go.

🚀 Free & ever-growing: runs entirely in the browser and new tools slide into the lineup automatically.

Bookmark Calcily once, forget tab-hopping for every calculator, and watch the toolkit keep expanding.

Calcily is a comprehensive online calculator suite that offers a variety of tools including unit conversions, currency exchange, and QR code generation, all in one place. It features real-time calculations with clarity and precision, ensuring users can easily switch between tasks without clutter. Best of all, it is free and continually expanding, making it a versatile choice for all your calculation needs.

#12

HEIC to PNG

HEIC to PNG Converter - Fast, Private & Unlimited

A browser-based HEIC to PNG converter that processes files locally in seconds without uploading to servers. Features unlimited batch
conversion, 100% privacy protection, and support for all devices. No registration, watermarks, or size limits. Perfect for
photographers and iPhone users who need to convert HEIC images to universal PNG format quickly and securely.

Key Features:
• Lightning-fast conversion (1-5 seconds per file)
• Complete privacy - files never leave your device• Unlimited batch processing
• Cross-platform compatibility
• Zero cost, no watermarks

A browser-based HEIC to PNG converter that processes files locally in seconds without uploading to servers. It features unlimited batch conversion, 100% privacy protection, and support for all devices. With no registration, watermarks, or size limits, it's perfect for photographers and iPhone users who need to convert HEIC images to the universal PNG format quickly and securely.

#13

FreeToolSuite

Access 200+ free online tools including unit converters, text processors, image editors, SEO analyzers, YouTube utilities, and developer tools. No sign-ups, no tracking - just a clean UI and useful tools.

FreeToolSuite offers access to over 200 free online tools, including unit converters, text processors, image editors, SEO analyzers, YouTube utilities, and developer tools. With a clean user interface and no sign-ups or tracking, users can quickly transform, convert, and optimize various types of content without any hassle.