10 Convertio Alternatives (2026)

MConverter: Convert Files & Compress PDF

Securely convert large video, audio, and image files online

MConverter is an easy-to-use online file converter and PDF compressor designed to make file handling fast, flexible, and convenient. It lets you convert files in bulk across a wide range of categories, including video, audio, images, e-books, office documents, subtitles, PDFs, and archive files...

Sunasty

Process and convert files locally in your browser

Sunasty is a suite of 140+ free utilities for everyday file tasks: PDF (merge, split, compress, sign, unlock), images (compress, resize, crop, redact, HEIC to JPG), video and audio (compress, convert, trim, extract audio, screen recording), plus developer, date and calculator tools. The difference...

Convertimg.io

Convert, compress, resize, and crop images online

This tool provides a fast workflow for managing your visual assets. You can convert, compress, resize, and crop images online through an efficient interface. It supports popular formats including JPG, PNG, WEBP, and SVG files, helping you optimize your media for any project.

How To CSV

60+ online tools to work with your hated spreadsheets!

Even if you hate CSV, you'll love HowToCSV! How To CSV provides more than 60 free utilities for analyzing, cleaning, visualizing, and transforming CSV files. Privacy-first browser-based processing is implemented on the site, thus no data leaves your computer. Anonymization of CSVs? We have it...

Endless Forge Verified

Free online tools for developers and creators

Endless Forge provides you with a fast, free collection of online utilities designed for both developers and everyday users. You can easily convert files, format code, process PDFs, and validate JSON within a single platform. The tools are built with a focus on privacy, ensuring your data stays...

TatraTools

Free browser toolbox for images, files and video

TatraTools is a free browser-based toolbox for quick online tasks. It helps users convert images and files, edit images, generate favicons, convert PDF pages to images, and download video or audio from supported platforms like YouTube, TikTok, Instagram and Facebook. The product was built because...

Convertible

Privacy-first file converter for Mac. 100% local.

A fast, native Mac utility for converting and compressing files without sending anything to the cloud. Convertible converts images, video, audio, and PDFs entirely on-device, lossless when possible. Supports hard-to-open formats (MKV, WebM, HEIC), and can shrink files to hit specific size limits in...

FormatDrop

Free Online File Converter — No Upload, No Account

FormatDrop is a privacy-first file converter that runs entirely in your browser. Files never leave your device - there's no server upload, no account required, and no waiting. Supports 80+ formats across images (JPG, PNG, WebP, HEIC, AVIF, GIF, BMP, TIFF, SVG), video (MP4, MOV, AVI, MKV, WebM)...

PixelCoreLab

Fast and private browser-based tools for common tasks

You can access a suite of fast, private tools designed for PDFs, images, text, and technical developer needs. All tools run entirely in your browser, ensuring your data remains private and secure while you work. This platform helps you streamline routine tasks without needing to upload sensitive...

Online Image, file and video Converter

Convert images easily between PNG, JPG and WEBP formats

You can convert images easily between popular formats like PNG, JPG, WEBP, and more, all online and for free. This tool provides fast, secure, and high-quality image file conversion to help you manage your visual content without needing complex software. All processing is done at your browser so no...