Timemark provides photo authentication with tamper-proof evidence for contractors and field service pros. Verify work with time-stamped and geo-tagged images. Build trust and prevent disputes.
Trusted by 3.7M field pros and teams from
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Is this photo real? Was it really taken on-site and at the right time? Is this photo real? Was it really taken on‑site and at the right time? Research from the National Institute of Standards and Technology shows that image metadata, such as GPS coordinates, dates and times, may be limited, absent, inaccurate, or altered without necessarily changing image content.
As noted in another industry research, there is a clear "need for lightweight authentication solutions to detect basic tampering in field-collected images. Timemark acts as your on-site photo authentication tool. It captures secure photo data like a digital seal, so you and your clients can verify its authenticity instantly, straight from the camera.
See how Timemark secures photo authentication for reliable evidence
Each photo you take automatically includes verifiable data for digital photo authentication: time, GPS coordinates, and address are all securely recorded. Unlike standard phone cameras, Timemark saves you from digging through metadata or guessing details later.
Every photo you take with Timemark comes with a unique photo code that makes photo authentication simple and reliable. Enter the code or upload the photo in Timemark’s Verification Center to instantly check its authenticity.
See every verified photo on a map to confirm where and when work happened. Perfect for remote site checks, delivery tracking, or inspection verification.
Turn your verifiable photos into clean, professional reports in minutes. Each file you export includes timestamp, GPS location, and verification data. Ideal for audits, insurance claims, or compliance.
Construction teams use Timemark for on-site photos. It adds GPS to mark locations (e.g., wall framing) and auto-sorts by project, making it easy to prove work to clients and cut rework.
Cleaners use Timemark to snap before/after site photos. Tamper-proof GPS tags confirm site location, time-stamps prove service hours, and easy sharing resolves client disputes fast.
Timemark lets repair pros snap issue/repair photos. Auto-sort by repair job, sync to cloud, and build reports in one click. Simplify prove work to clients and managers.
"Timemark’s unique photo codes keep our site shots trusted. It’s the best photo authentication tool we’ve used for keeping photo records clean and credible. Sharing reports with one click also made updating the office on cable installs way faster."
"Our crew’s photos used to be chaos. No location, no context. With Timemark, every image is timestamped, mapped, and verifiable. We’ve completely stopped the ‘where is this?’ back-and-forth."
"The general contractor accused us of being behind schedule. I sent a Timemark report with a week's worth of time stamped photos. This is the best app ever that gives us the evidence we need to protect our reputation and our payments."
Authentic photos are only valuable when they’re organized. Teamspace auto-collects and auto-organizes verified photos by project, location, and crew, creating a reliable record your entire team can access and share.
Get Started Free
Download Timemark free to add secure timestamps/GPS, share proofs, and stop work photo headaches fast.
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