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Measured on six things

Free, no-signup AI background remover with transparent PN...

Security

Probe found HTTPS not enforced, no HSTS, CSP, frame protection, Referrer-Policy or Permissions-Policy, and no SPF/DMARC — 0/12 checklist points. Privacy claims exist but no audits or certifications.

Screenshots

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ToukaPNG

About this app

ToukaPNG is a browser-based background removal tool that creates transparent PNGs from JPG, PNG, WebP, and iPhone HEIC/HEIF photos. Its free mode requires no registration, imposes no usage limits, and adds no watermarks—a combination that genuinely surprised me given how many "free" background removers slap a logo on your export or cap you at a handful of images per day. The AI automatically detects human subjects, products, pets, and illustrations, and handles tricky edges like flyaway hair, fine product borders, and long pet fur reasonably well. For harder images, a precision mode (1 credit per image, with 5 free credits on signup) produces cleaner results. What sets it apart from a single-purpose eraser tool: it includes delete and restore brushes to fix leftover background or accidental subject loss, lets you switch the transparent area to white or any solid color for e-commerce listings, and processes up to 20 images per batch (100MB total) with a ZIP download. Output stays at ...

Key features

1Unlimited free background removal with no signup and no watermark on exports.
2Supports JPG, PNG, WebP, and iPhone HEIC/HEIF up to 10MB, 8000px, 25MP per image.
3Batch processing of up to 20 images / 100MB with ZIP download.
4Delete and restore brushes plus transparent/white/custom-color background swap.
5High-precision mode at 1 credit per image, with 5 free credits on signup.

Target customer profile

Drawn from the product itself, not from a survey.

Demographic

Online sellers on Mercari, Amazon, Rakuten, or their own EC shops

Pain points

Product photos with messy backgrounds; expensive editing software; inconsistent listing images

Primary needs

Clean white or transparent product cutouts in batch, fast and free

Demographic

Social media creators (Instagram, YouTube, LINE stamps)

Pain points

No time to learn Photoshop; free tools add watermarks; mobile-only workflows

Primary needs

Quick transparent PNGs on phone, no signup, no watermark, HD output

Demographic

Small business owners and office workers needing profile/resume photos

Pain points

Need polished headshots with white or transparent backgrounds without hiring a designer

Primary needs

Instant people cutouts, background color change, privacy-safe upload

Scout Review

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

ToukaPNG is a Japanese-language browser background remover that does the unglamorous thing well: unlimited free cutouts, no signup, no watermark, HEIC support, 20-image batch with ZIP, and delete/restore brushes for cleanup. The landing page is clean but has real first-paint and typography issues, and the security posture is the weak link — zero of twelve header checks pass. Speed is excellent. Accessibility is decent with two fixable failures. Growth rests on a sharp but copyable wedge.

Measure by measure

Usability

No-signup unlimited free mode, drag-drop-and-paste upload, HEIC support, 20-image batch with ZIP, and delete/restore brushes — a genuinely complete workflow with almost no learning curve.

Design

Consistent teal-and-white palette and a self-explanatory free-vs-precision mock card, but the hero renders as a blank blurred field on first paint, feature bullets orphan single characters, and mode-card text is tiny.

Speed

Lighthouse mobile 97/100 with LCP 1.2s, CLS 0, FCP 1.2s; desktop 96/100. TBT at 177ms is the only metric with any daylight, and nothing in the evidence suggests real-world lag.

Security

Accessibility

Lighthouse a11y 91/100 with two real failures — insufficient color contrast and unlabeled form elements. Japanese-only, no language switcher, no WCAG statement, but responsive across phone and desktop.

Growth

A real, specific problem (free, watermark-free, unlimited cutouts for JP marketplace sellers) with concrete differentiators — HEIC, 20-image batch, brushes — in a crowded but headroom-rich category.

Improvement areas

Security headers are entirely absent (0/12) — HTTPS not enforced, no HSTS, CSP, or DMARC.
Hero renders as a blank blurred field on first paint; feature bullets orphan single characters.
Accessibility failures: unlabeled form elements and insufficient color contrast.
Japanese-only interface with no language switcher or WCAG conformance statement.

Design & Usability

The homepage is a clean teal-and-white affair with a mock product card that explains the free-vs-precision choice before you click anything — smart, because that's the actual decision a visitor faces. The header hierarchy (outlined Log in, solid Sign up) is textbook. The problems are execution-level: the hero's first paint is a blurred blank field, feature bullets orphan single Japanese characters onto their own lines, and mode-card text is set small enough to squint at. Usability is the stronger half — no signup, no watermark, no limit, drag-drop-paste upload, HEIC support, 20-image batch with ZIP, and delete/restore brushes for cleanup. That's a complete workflow, not a demo.

Speed & Security

Speed is the standout: Lighthouse mobile 97/100, LCP 1.2s, CLS 0, FCP 1.2s, desktop 96/100. TBT at 177ms is the only number with any slack, and nothing suggests real-world lag. Security is the opposite story. The HTTP probe returned 0/12 checklist points — HTTPS not enforced, no HSTS, no CSP, no frame protection, no Referrer-Policy, no Permissions-Policy, no SPF, no DMARC. The site does claim encrypted transmission, no AI training on uploads, and minimal retention with a linked privacy policy, which is the right language. But there's no audit, no certification, no bug bounty, and the transport-layer basics are simply absent.

Accessibility & Growth

Accessibility lands at 91/100 on Lighthouse with two concrete failures: insufficient color contrast and form elements without associated labels. The site is Japanese-only with no language switcher and no WCAG statement, though it does work across phone and desktop browsers without an install. Growth is a judgement on the idea: the wedge is specific and real — Japanese-language, no-signup, unlimited, watermark-free cutouts aimed at Mercari/Rakuten/Amazon sellers and social creators, with HEIC support, 20-image batch, and manual brushes that remove.bg's free tier doesn't match. The category is crowded (remove.bg, Fotor, Canva all sit in the alternatives list) and none of them structurally can't copy this. It's a good wedge, not a moat.

Conclusion

If you're a Japanese marketplace seller or creator who needs clean transparent PNGs without a subscription, this is a genuinely useful tool today — the free tier is real, not a teaser. Before it's a business, though, it needs the boring stuff: enforce HTTPS, add HSTS and a CSP, label the form inputs, fix the contrast, and get the hero to render on first paint. The product is ahead of its plumbing.

Suggestions for improvement

Enforce HTTPS site-wide and add HSTS, CSP, X-Content-Type-Options, Referrer-Policy, and Permissions-Policy headers — the probe returned 0/12.
Add SPF and DMARC DNS records so transactional and signup emails aren't spoofable.
Fix the two Lighthouse a11y failures: associate labels with form inputs and raise contrast on the low-contrast text.
Fix the hero's first-paint blank state and the feature-bullet wrapping that orphans single Japanese characters.

How we score

Alternatives comparison

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

	ToukaPNG	remove.bg	Fotor Background Remover	Canva Background Remover
Free tier without watermark	Yes — unlimited, no signup, no watermark	Limited — free downloads are low-resolution	Limited — account required for some features	No — Pro subscription required
Batch processing	Up to 20 images / 100MB with ZIP download	Available on paid plans	Batch available in editor	Per-design, not bulk
iPhone HEIC/HEIF support	Yes — native HEIC/HEIF input	Yes	Yes	Yes via upload
Manual cleanup brushes	Delete and restore brushes included	Erase/restore on paid plans	Full editor brushes available	Via Canva editor tools
Pricing model	Free unlimited; premium from ¥949/mo or credit packs	Credit-based subscription	Freemium with paid plans	Canva Pro subscription

remove.bg

Popular AI background remover from Germany; strong on people and objects, but free downloads are low-resolution and high-res exports need credits.

Fotor Background Remover

All-in-one online photo editor with an integrated background remover and template library; free tier is limited and requires an account for some features.

Canva Background Remover

Built into Canva's design platform, convenient for layering cutouts into designs, but background removal is a Pro feature requiring a paid subscription.

Comparing options? See ToukaPNG alternatives, scored side by side

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