Crossary
Flatfile
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Celigo
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startbase.dev
Crossary helps integration and migration teams turn source and target specification documents into reviewed, implementation-ready data-mapping workbooks. Upload both sides' specs — Excel, PDF, CSV, JSON, XML, XSD, SQL, or YAML — and Crossary extracts a field inventory from each, then proposes a source-to-target mapping for every target field.
Every proposed row shows its work: the proposed source, the mapping type, the verbatim quote from your documents it is based on, the reasoning and assumptions behind it, and the AI's self-rated confidence — a triage cue, not a guarantee. When nothing fits, Crossary abstains instead of guessing: the row becomes an honest gap with a clarifying question, because a wrong mapping is worse than an honest gap.
You stay in control. Review, edit, accept, or reject each row, then run validation — a deterministic check of structure and key semantics (type compatibility, source-field references, cardinality); it is not a full correctness sign-off. Export is a signed .xlsx workbook, not a locked app view: hand it to a developer or a client, edit it in Excel, Google Sheets, or Numbers, then re-import it. Crossary applies what matched, skips rows that moved underneath you, and turns every reviewer note into a tracked question — it never silently overwrites a decision.
Approved mappings feed Mapping Memory, a private, workspace-scoped library that gap-fills future runs — suggestions only, never auto-applied, and it never trains a shared model. Crossary maps the spec, not the data, so in most cases there is no need to upload production records or PII.
Built for integration and interface engineers, implementation consultants, data and migration engineers, and EDI analysts. Start free: 3 integration credits, no card.
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Crossary startbase.devCrossary's answer
Crossary doesn't just propose a mapping — it shows its work. Every row comes with the exact verbatim source quote it's based on, the reasoning and assumptions behind it, and a confidence score, so nothing is taken on faith. Where most tools would guess to fill a gap, Crossary abstains and flags it instead — "a wrong mapping is worse than an honest gap" is the core design principle. It also works from specs, not production data (so there's usually no need to upload real records or PII), and its export isn't a locked app view — it's a signed .xlsx you can edit anywhere and re-import without losing a single reviewer note.
Crossary's answer
Most mapping tools either require you to build the sheet by hand or hand you an AI guess with no way to verify it. Crossary sits in between: it proposes mappings backed by evidence and reasoning you can actually audit, validates the structure deterministically (zero AI cost), and never overwrites your edits on re-import — matched changes apply, moved rows are skipped, and notes become tracked questions. Reviewing, validating, exporting, and round-trip re-import are free on every plan, so you only pay for the AI runs themselves, not for checking the work.
Crossary's answer
Crossary is built for the people who hand-build mapping sheets that someone else implements: integration and interface engineers mapping heterogeneous specs (PDF, XML, EDI-style guides, Excel) to a target schema; implementation and onboarding consultants turning a client's messy spec into a reviewed workbook on day one instead of week three; data and migration engineers building the field inventory before any records move; and EDI/interface analysts who need evidence-backed rows that hold up to scrutiny later.
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