No upload by default · Browser-first · KVM8 ready

Turn your camera into a private action lens for products, receipts, documents, evidence packs, and proof-ready records.

ProofCanvas v0.8.3 improves practical OCR results with mode-specific cleanup and extraction for receipts, business cards, and product photos while retaining Product Price Lens Lite and Batch Proof Workflow.

Start Product Lens Create Proof Pack

CleanRedact sensitive areas and remove hidden metadata before sharing.

ProveCreate before/after proof receipts with SHA-256 hashes and processing notes.

Old Photo RestoreLocal enhancement for faded, low-contrast, or scanned photos.

Portrait AIRemove portrait backgrounds and export ID-style photos.

Simple BG CleanerClick-to-sample background color and export transparent PNG.

Screenshot GalleryTurn screenshots into polished launch visuals.

Proof StampGenerate SHA-256 proof card and JSON.

OG CheckerCheck social preview tags and generate a fix block.

Clean → Prove → Govern

ProofCanvas is designed around a professional visual evidence workflow, not just image effects.

CleanRedact sensitive image areas, flatten exports, remove metadata, and prepare privacy-safe files.

ProveGenerate proof receipts with original/processed hashes, timestamp, processing actions, and downloadable JSON/PNG records.

GovernUse evidence records later with action receipts, review status, MayExecute, or field workflow APIs.

Traffic toolsPortrait AI, passport photos, old photo restore, and screenshots remain useful entry points, but trust tools define the product.

Product Price Lens Lite

Photograph a product, OCR the packaging text, generate a search query, open major platform searches, record observed prices, and create a Price Proof Card. This Lite version does not scrape or guarantee real-time platform prices.

Product image OCR language

Product search query Observed platform Observed price Observed URL Notes

Upload a product image and run OCR. This tool helps compare by search links and user-recorded observed prices. It does not provide official price guarantees.

Batch Receipt → Excel

Upload multiple receipts, run OCR with v0.8.2 preprocessing, review draft rows, detect duplicates/anomalies, and export a combined CSV/XLS plus a batch proof JSON.

Receipt images OCR language Default currency Default category

Tip: start with 5–10 receipts. OCR rows are draft extraction; review before reimbursement submission.

Choose multiple receipt images and click Run batch OCR.

Batch rows will appear here.

One-Click Proof Chain

Collect processing steps from receipt OCR, scan, redaction, photo proof, or evidence pack actions into a lightweight chain of processing.

Chain title Operator / team Manual action type Manual notes Before / source file After / output file

Proof chain is empty. Add manual step or run Batch Receipt to add rows automatically.

Evidence Pack Templates

Use scenario templates to turn photos, videos, notes, and hashes into standardized evidence packs.

Template Case title Case reference Location / context Files Notes

Choose a template and files to build a pack.

Office Capture Assistant

Capture → Extract → Clean → Prove → Share. Designed for everyday personal and office records.

Receipt → ExcelOCR a receipt, review extracted date/vendor/amount, then export CSV/XLS.

Business Card → ContactOCR a card, extract name, company, phone, email, website, then export vCard/CSV.

Scan → PDFClean a document photo, flatten it, and download a PDF without hidden original layers.

Photo / Video ProofCreate hash-based proof packs for incidents, field records, deliveries, activities, or events.

Receipt → Excel

OCR receipt photos into reviewable expense rows. Export CSV/XLS and generate proof records.

Receipt image OCR language

Vendor Date Total amount Currency Category Notes

Upload a receipt and run OCR. OCR requires Tesseract on the server.

Business Card → Contact

OCR business cards, clean noisy text, extract key contact fields, and export a vCard contact file.

Business card image OCR language

Name Company Title Phone Email Website Address

Upload a card and run OCR.

Scan → PDF + Summary

Flatten a document photo into a clean PDF and generate an extractive OCR summary.

Document image Scan mode OCR language

Upload a document image. Summary is extractive and should be reviewed.

Photo Proof Pack

Hash a photo, add context, and create an incident / field / event proof pack.

Photo Proof type Title Location / context Notes

Upload a photo and generate a proof pack.

Video Proof Pack

Create a hash-based proof record for short videos. First version records file hash, metadata, notes, and summary text.

Video file Title Notes / summary

Upload a short video. Server ffprobe is optional; hash works in browser.

Old Photo Restore

Use browser-local enhancement for no-upload cleanup, or KVM CPU AI Restore for free self-hosted colorization, crack / crease reduction, tone recovery, and detail enhancement. v0.6.2 adds a stronger crack-repair path with adjustable intensity. No paid external API is used. AI-style restoration may alter visual details; record important outputs with Visual Evidence Receipt.

Old photo

Brightness Contrast Saturation Warmth Sharpen Dust / noise smoothing Output tone KVM CPU AI Restore mode Crack repair mode Crack repair strength

Local enhance stays in browser. KVM CPU AI Restore temporarily uploads the photo to your own KVM8, processes it, returns PNG, and deletes the temporary file. It is not forensic restoration and may alter details.

KVM CPU AI Restore: choose a photo, set Crack repair mode/strength, and click KVM CPU AI Restore. If not ready, run deploy/install_kvm_ai_restore.sh.

Visual Evidence Receipt

Create a before/after proof receipt for redaction, metadata removal, old photo restoration, portrait background removal, or field records.

Receipt title Original / before file Processed / after file Processing action Operator / team Case / reference Notes Receipt mode

Select before/after files and generate a visual evidence receipt.

AI Portrait Background Remover + Passport Photo Maker

Server-assisted AI portrait matting for white/blue/grey background photos. Files are processed temporarily and deleted after response.

Portrait image

Output preset Background Custom background color Subject scale Vertical position

Disclaimer: This creates ID-style portrait photos for preparation/profile use. Always verify official size, background, head position, and submission rules with the issuing authority.

Choose a portrait and click AI remove background. If the server says AI is not ready, run deploy/install_ai_bg.sh on KVM8.

Simple BG Cleaner

Browser-based color-key background cleaner. Best for solid/simple backgrounds, logos, and product photos. Use Portrait AI for people and passport-style photos.

Image

Tolerance Softness Composite background

Tip: click the preview image to sample a background color manually.

Screenshot Gallery

Polish screenshots and export ready-to-post visuals.

Screenshot Preset Background Frame Scale Padding

Proof Stamp

Calculate a local SHA-256 file hash and generate a proof card + JSON.

File Note

Redaction Lite

Hide sensitive screenshot areas locally.

Image Mode

Drag over the preview to add redaction boxes.

Metadata Cleaner

Flatten images and export a clean copy without original EXIF metadata.

Image

Evidence Pack Builder

Build a lightweight evidence record and export JSON + PNG.

Case title Summary Evidence items (one per line)

Decision Note Generator

Turn messy outcomes into a reviewable decision note.

Decision Owner Deadline Risk level Evidence / Basis Next Action

QR Trust Card

Create a verification card with a URL and downloadable PNG.

Title URL Note

OG Checker + Fix Pack

Check Open Graph and Twitter/X preview tags, then generate a corrected meta block.

URL

Server fetches only HTML and limits response size to 1 MB. Private/local hosts are blocked.