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ConvertifyApp.net

Free online image and PDF converter — HEIC, WebP, AVIF, PNG, JPG and 20+ formats.

ConvertifyApp.net

ConvertifyApp.net Reviews and Details

This page is designed to help you find out whether ConvertifyApp.net is good and if it is the right choice for you.

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  • ConvertifyApp.net main page
    main page //
    2026-03-18

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Questions & Answers

As answered by people managing ConvertifyApp.net.
  1. Who are some of the biggest customers of ConvertifyApp.net?

    • Individual users converting iPhone HEIC photos
    • Web developers optimizing images for web
  2. Which are the primary technologies used for building ConvertifyApp.net?

    • Rust + Axum (backend API)
    • libvips + libheif (image processing)
    • React + TypeScript (frontend)
    • PostgreSQL (analytics)
    • Caddy (reverse proxy)
    • VPS on Ubuntu 24.04
  3. What's the story behind ConvertifyApp.net?

    Built out of frustration with existing converters that require signup or add watermarks. Wanted a fast, private, no-nonsense tool. Chose Rust + libvips for performance — the hardest part was getting HEIC support working by building libheif 1.21.2 from source.

  4. How would you describe the primary audience of ConvertifyApp.net?

    iPhone users who need to convert HEIC photos, web developers working with WebP and AVIF formats, and anyone who needs fast batch image conversion without installing softwar

  5. Why should a person choose ConvertifyApp.net over its competitors?

    Convertify is completely free with no signup required and no watermarks. Most converters either require registration, add watermarks, or are slow. Convertify is built with Rust + libvips for maximum speed, supports 20+ formats including HEIC, and automatically deletes files after 6 hours for privacy.

  6. What makes ConvertifyApp.net unique?

    No signup, no watermarks, no limits on format combinations. Built with Rust + libvips — one of the fastest image processing libraries available. Supports HEIC conversion which most browser-based tools struggle with. Files are automatically deleted after 6 hours, so nothing is stored permanently. Batch convert up to 10 images at once with quality and resize controls.

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Social recommendations and mentions

We have tracked the following product recommendations or mentions on various public social media platforms and blogs. They can help you see what people think about ConvertifyApp.net and what they use it for.
  • The frontend bug that hid 170 custom SEO titles for 3 months (and 3 weeks of shipping after finding it)
    If you found this useful, the Convertify tool pages are the ones with the newly-visible custom titles. - Source: dev.to / 1 day ago
  • How I recorded my first product demo in 54 seconds (OBS, ffmpeg, openai.fm)
    Convertify is at convertifyapp.net. Free, no signup, no watermarks, batch up to 20 files. - Source: dev.to / 12 days ago
  • I Benchmarked 17 Image Conversions on My Production Server. Some Results Were Not What I Expected.
    I run Convertify, a free image converter built on Rust and libvips. Last week I decided to stop guessing about format performance and actually measure it. I took 50 real images (26 PNGs, 24 iPhone HEIC photos), ran 17 conversions through the production pipeline, and recorded every file size and encode time. - Source: dev.to / 3 months ago
  • Building in public, week 11: 143 pages indexed, a TinyPNG alternative in Rust
    Week 11 of building Convertify a free image converter (Rust + Axum + libvips, Next.js SSG frontend) in public. Solo, no funding, 52-week run. - Source: dev.to / 3 months ago
  • Building Image Compression in Rust with libvips Real Benchmarks, Real Tradeoffs
    I've been building Convertify a free image converter for 11 weeks now. Last week I added compression support (JPG, PNG, WebP) using Rust + libvips. Here's what I learned, with actual numbers. - Source: dev.to / 3 months ago
  • From 0 to 72 indexed pages in 2 months: what Google actually does with new sites
    I've been building Convertify — a free image converter in Rust + Next.js — for about 2 months. Here's where I am in GSC right now:. - Source: dev.to / 4 months ago
  • Adding PDF support to a Rust image converter — what I learned about libvips and PDF rendering
    Been building Convertify — a free image converter in Rust + Axum + libvips. This week I added PDF to JPG/PNG support. Thought I'd write up what actually happened because it was more interesting than expected. - Source: dev.to / 4 months ago
  • Best Free Online Image Converters in 2026 — WebP, AVIF, HEIC and more
    Convertify supports WebP, HEIC, AVIF, PNG, JPG, TIFF and 20+ other formats. Built with Rust + libvips. Batch conversion up to 10 files, no signup, no watermarks, files deleted within 6 hours. - Source: dev.to / 5 months ago
  • How I built a semantic scoring algorithm for internal links across >200 pages
    Building in public at convertifyapp.net. - Source: dev.to / 5 months ago
  • Is HEIC Patent Risk Real for Small Web Services?
    Here's what I found after researching this for Convertify:. - Source: dev.to / 5 months ago
  • From 0 to 30 indexed pages in 3 weeks — what actually moved the needle
    I'm building Convertify — a free image converter that supports 20+ formats with no signup, no limits, and no file tracking. Solo project, built with Rust + libvips on the backend and Next.js on the frontend. - Source: dev.to / 5 months ago
  • Why I added internal linking to my image converter (and what changed in Google)
    I've been building Convertify — a free image converter powered by Rust + libvips. Two weeks in, Google had indexed 18 of my 186 static pages. The numbers were moving, but slowly. Then I read a recommendation that changed my approach: internal linking is 80% of cluster SEO. - Source: dev.to / 5 months ago

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