Cycling through all six. Tap any point to stop.

Measured on six things

Free online file conversion and app icon generation

Security

HTTPS enforced with SPF and DMARC configured, but no HSTS, CSP, frame protection, or other hardening headers (4/12 checklist). No SOC 2, ISO, or bug bounty claims. Baseline security only.

Screenshots

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ConvertAny

About this app

ConvertAny is a free browser-based tool for converting documents, images, audio, video, and ebooks between common formats. Upload a file, choose an output format, and download the result without installing desktop software. It also creates app icon sets for iOS, Android, and macOS from a source image.

Key features

1Free browser-based file conversion across documents, images, audio, video, ebooks, and archives — no install, no signup.
2App Icon Converter generates full icon sets for iOS, Android, and macOS from a single source image.
3Broad utility suite: unit converters, string/encoding tools, IPv6 and number-base converters, background remover, and more.

Target customer profile

Drawn from the product itself, not from a survey.

Demographic

Graphic Designers

Pain points

Generating app icons in multiple sizes for different platforms is tedious

Primary needs

App icon generation for iOS, Android, and macOS and image format conversion

Scout Review

Written by AI from measured evidence, scored out of 100.

ConvertAny is a free, browser-based conversion suite covering files, units, text, app icons, and a grab-bag of developer tools. It's fast — Lighthouse mobile 93/100, LCP 1.8s, CLS 0 — and frictionless: no signup, no pricing page, one click to any converter. The homepage is clean and well-organized. But the product is a mile wide and an inch deep. Security is baseline-only (4/12 headers, no CSP, no HSTS, no compliance claims) despite handling user file uploads. Accessibility has two real, fixable failures. Support is a contact form. And the one genuinely differentiated feature — multi-platform app icon generation — is buried under unit converters and IPv6 tools. ConvertAny works. It's just not clear who it's for, or why they'd pick it over Convertio for the tasks where the two overlap.

Measure by measure

Usability

Direct entry to every converter, no signup wall, popular-tools shortcuts. But support is just About/Contact — no help center, docs, or FAQ depth. Value is fast; guidance after you hit a snag is thin.

Design

Clean, modern card-based homepage with consistent typography and clear category grouping. Coherent branding across a broad tool suite. Polished for an indie web tool, though not visually distinctive.

Speed

Lighthouse mobile 93/100 (LCP 1.8s, CLS 0, FCP 1.2s), desktop 88/100. Lightweight, stable rendering with zero layout shift. TBT 303ms is the only real drag on an otherwise snappy profile.

Security

HTTPS enforced with SPF and DMARC configured, but no HSTS, CSP, frame protection, or other hardening headers (4/12 checklist). No SOC 2, ISO, or bug bounty claims. Baseline security only.

Accessibility

Lighthouse a11y 93/100, but two real failures: non-sequential heading order and links without discernible names. No WCAG statement or a11y page. Solid baseline, with fixable gaps.

Growth

Real problem (format conversion + app icon generation) with a specific wedge in multi-platform icon sets. But the broad 'convert everything' positioning makes it interchangeable with Convertio on most tasks.

Improvement areas

Security hardening: no CSP, HSTS, frame protection, or other headers (4/12) despite handling user file uploads.
Accessibility: two Lighthouse failures (heading order, unnamed links) and no WCAG statement or multi-language support.
Support depth: no help center, FAQ, or docs — only About Us and Contact Us for a tool with real format limitations.

Design & Usability

ConvertAny's homepage is a clean, modern card grid that gets you from landing to a converter in one click. Categories are clearly labeled — File, Unit, App Icon, String, Other — and a 'Popular Tools' row surfaces common tasks. There's no signup wall, no pricing page, no account requirement: you land, you pick a tool, you convert. That's the right call for a utility. The weakness is depth after the click. Support is limited to About Us and Contact Us; there's no help center, no FAQ, no documentation explaining format limitations or troubleshooting failed conversions. For a tool that handles documents, audio, video, and ebooks, the absence of any guidance on what actually works is a real gap. Design-wise it's competent and consistent but not distinctive — the visual language is generic SaaS card-grid, and nothing about the layout signals the app-icon feature that's supposed to be the differentiator. Usability is fast to first value and thin on everything after.

Speed & Security

Speed is ConvertAny's strongest measured dimension. Lighthouse mobile performance lands at 93/100 with an LCP of 1.8s, FCP of 1.2s, and a CLS of exactly 0 — the page renders fast and doesn't jump around while it loads. Desktop scores 88/100. The one blemish is a TBT of 303ms, meaning some main-thread work happens on load, but it's not enough to make the site feel sluggish. For a tool that's essentially a directory of converters, this is the right architecture: lightweight, stable, quick. Security is where the picture darkens. HTTPS is enforced and email authentication is properly configured (SPF and DMARC both present), which covers the basics. But the HTTP probe found no HSTS, no Content-Security-Policy, no frame protection, no X-Content-Type-Options, no Referrer-Policy, and no Permissions-Policy — 4 out of 12 checklist points. For a service that asks users to upload personal documents, images, and media, the absence of a CSP and clickjacking protection is a meaningful gap. There's no security page, no SOC 2 or ISO claim, no bug bounty. The padlock is there; the hardening isn't.

Accessibility & Growth

Accessibility scores 93/100 on the Lighthouse audit, which sounds strong until you read the failures. Heading elements are not in sequentially-descending order, and links lack discernible names — both real problems for screen reader users, and both trivially fixable. There's no accessibility statement, no WCAG conformance claim, and no multi-language support visible despite the tool suite including Chinese-specific converters (Chinese Number Converter, GB18030/Big5 encoding), which suggests an audience the site doesn't formally serve. The baseline is decent: structured footer navigation, text-labeled links, responsive layout. Growth is a judgement call on the idea. The problem ConvertAny names is real — format conversion is a genuine, recurring need, and generating app icon sets for iOS, Android, and macOS is a specific, tedious task that designers actually pay to avoid. That icon generator is the clearest wedge against Convertio, which is a generalist file converter. But ConvertAny buries that wedge under a sprawling horizontal suite of unit converters, IPv6 tools, and Chinese number converters. The positioning is 'we do everything,' which is exactly the positioning that makes a product interchangeable. The domain is nearly four years old, so this isn't a fresh launch — it's an established tool that hasn't picked a lane. The category has room, but ConvertAny's own material doesn't explain why anyone would choose it over Convertio for the 90% of tasks where they overlap.

Conclusion

If you need a quick format conversion and don't want to install anything, ConvertAny will do the job without complaint. It's fast, it's free, and it doesn't make you sign up. But if you're a designer specifically looking for app icon generation — the use case this product claims as its target — you'll have to dig past a lot of unrelated tools to find it, and you'll get zero guidance once you do. The fundamentals are solid; the focus isn't. Pick the icon generator, build it out properly, and this becomes a product with a reason to exist. Leave it as a horizontal suite of everything-converters and it stays a competent also-ran.

Suggestions for improvement

Add a security page and implement CSP, HSTS, and frame protection — you're handling user file uploads with 4/12 hardening headers.
Fix the two Lighthouse a11y failures: sequential heading order and discernible link names. Both are quick wins.
Build out the App Icon Converter as a standalone, promoted product — it's your only real differentiator vs. Convertio.
Add a help center or FAQ covering format limitations and failed-conversion troubleshooting; Contact Us alone isn't support.

How we score

Alternatives comparison

Named competitors, point by point. Nobody paid to appear here or to be left out.

	ConvertAny	Convertio
Free tier / no signup required	Yes — no account, no pricing page, all tools free	Yes — free tier with file size and daily conversion limits
App icon set generation (iOS/Android/macOS)	Yes — dedicated App Icon Converter for all three platforms	No — general file conversion only, no icon-set generation
Supported conversion categories	Files, units, text/string, app icons, color, data, datetime, IPv6	Documents, images, audio, video, ebooks, archives, presentations
Security hardening (CSP, HSTS, frame protection)	HTTPS + SPF/DMARC only; no CSP, HSTS, or frame protection (4/12)	HTTPS enforced; broader header hardening typical of established service
Documentation / help center	None — About Us and Contact Us only	FAQ and support resources available
Measured page performance (Lighthouse mobile)	93/100 (LCP 1.8s, CLS 0, TBT 303ms)	Not measured in this review