Copyright Check Online: Free vs Paid Tools Compared (2026)

So you need to figure out if an image is copyrighted. Maybe you're auditing your website. Maybe you just got a sketchy looking demand letter. Either way, you need a tool.

We tested the most popular options so you don't have to guess. Here's how they actually stack up.

The Tools We Tested

Tool	Type	Price	What It Does
Google Lens	Free	$0	Reverse image search
TinEye	Freemium	$0 to $200/mo	Reverse image search
Copyscape	Paid	$0.03/search	Text plagiarism + limited image
Adobe Content Credentials	Free	$0	C2PA metadata only
PixGuard	Freemium	$0 to $150	9 detection methods

Google Lens (Free)

Google Lens finds visually similar images across the web. You paste or upload an image and it shows you where similar ones appear.

What's good:

• Totally free
• Massive image index
• Dead simple to use

What's not:

• Only catches exact or near exact matches
• Can't tell you who actually owns the copyright
• No watermark detection at all
• No metadata analysis
• One image at a time (no batch processing)
• Doesn't reliably find cropped, filtered, or modified versions

Best for: A quick sanity check on a single image to see if it shows up on stock sites.

Our take: Useful as a starting point, but if Google Lens comes back clean, that doesn't mean the image is actually safe. It just means Google didn't find an obvious match.

TinEye

TinEye is a reverse image search engine built specifically for tracking images across the web. It's been around for years and has a solid reputation.

What's good:

• Better at finding modified versions than Google Lens
• Shows you everywhere an image appears online
• Has an API if you want to integrate it
• Can track how an image spreads over time

What's not:

• Smaller index than Google
• Zero watermark or steganography detection
• No metadata analysis
• Gets expensive fast ($200/mo for 5,000 searches)
• Still only handles one image at a time

Best for: Photographers and agencies who want to track where their own images end up.

Our take: Solid for reverse lookups, but it can't really answer "is this image safe to use on my website?"

Copyscape

Copyscape is the go-to for text plagiarism checking. It does have some image capabilities, but that's not really its thing.

What's good:

• Industry standard for text content
• Cheap per search pricing

What's not:

• Image detection is extremely bare bones
• Built for text, bolted on for images
• No watermark, metadata, or steganography detection
• Can't scan a website's images

Best for: Checking if someone copied your blog post. Not for images.

Our take: Wrong tool entirely if your problem is image copyright.

Adobe Content Credentials

Adobe is pushing a new standard called C2PA (Coalition for Content Provenance and Authenticity) that tracks where an image came from and how it's been edited. Their Content Credentials tool reads this data.

What's good:

• Free to use
• Transparent origin tracking when it works
• Shows the full edit history

What's not:

• Only works on images that have C2PA metadata (which is almost none right now)
• Doesn't help with existing stock photos at all
• No watermark or steganography detection
• Most images on the internet simply don't have content credentials yet

Best for: Checking provenance on AI generated images that opted into the C2PA standard.

Our take: Cool technology that might matter in a few years. Right now, it's not practical for real copyright checking.

PixGuard

Full disclosure: this is our tool. But we built it specifically because the options above weren't cutting it for people who actually run websites.

PixGuard scans entire websites for copyright risks using 9 different detection methods.

What's good:

• Full website scanning. Enter a URL, it finds and checks every image automatically.
• 9 detection methods working together:
  • AI vision analysis
  • Watermark detection (logo, OCR, multi scale, contrast)
  • Steganography detection (LSB, DCT, DWT, alpha channel)
  • EXIF metadata extraction
  • Visual similarity matching
  • Color histogram analysis
• Smart caching so images you've already scanned are free on repeat checks
• Clear risk scoring from safe to critical for every image
• Detailed reports explaining exactly what each detection found
• 100 free credits to start

What's not:

• Credit based pricing (not unlimited scanning)
• Focused on websites (no mobile app yet)
• We're newer, so the community is still growing

Best for: Website owners, online stores, bloggers, and marketing teams who need to know their site is clean.

Our take: If you need to actually audit a website for copyright compliance (not just check one image), this is what we built it for.

Side by Side Comparison

Feature	Google Lens	TinEye	Copyscape	Adobe CC	PixGuard
Reverse image search	Yes	Yes	No	No	Yes
Website scanning	No	No	Text only	No	Yes
Watermark detection	No	No	No	No	Yes
Steganography	No	No	No	No	Yes
EXIF metadata	No	No	No	Partial	Yes
AI analysis	No	No	No	No	Yes
Risk scoring	No	No	No	No	Yes
Batch processing	No	API only	Yes	No	Yes
Free tier	Unlimited	Limited	No	Unlimited	100 credits

So Which One Should You Actually Use?

Just checking one image real quick? Google Lens is free and fast. If it shows up on a stock site, there's your answer.

Photographer tracking your own work? TinEye was literally built for that use case.

Running a website and need real confidence? That's where PixGuard comes in. It's the only tool that scans your whole site at once, checks for invisible watermarks and steganography, and gives you actual risk scores you can act on.

Here's the reality: free tools catch the obvious stuff. But invisible watermarks, hidden metadata, and steganographic data are completely invisible to reverse image search. If you're serious about staying clean, you need detection that goes deeper than visual matching.

Try it yourself. PixGuard gives you 100 free credits, enough to scan a small website end to end. No credit card required.