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File upload components

Dropzones, progress lists, image pickers and paste-to-upload.

Upload is one of the few interactions where the happy path is the easy half. What these get right is the rest: per-file progress, a cancel that actually aborts the request, a rejection message that names the reason, and a drop target big enough to hit. Drag-and-drop is an enhancement over a real `<input type="file">`, never a replacement.

7 matching7 blocksFree to copy

Blocks7

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Drag & Drop Upload

Dropzone with per-file progress and a drag counter that fixes the flicker every naive dragleave handler produces.

File Upload219 lines1 dep
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CSV Column Mapper

The screen between "file uploaded" and "data imported": source columns mapped to schema fields, with a sample value under each and required fields blocking the button.

File Upload280 lines1 dep
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Upload Progress List

The list that follows the dropzone: complete, uploading, queued and failed rows with cancel and retry — because hiding the failure is the classic upload bug.

File Upload171 lines1 dep
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Resumable Large Upload

One big file on a connection that will drop: a bar allowed to go backwards when a chunk is retried, a time estimate that is a range or nothing, and a promise about closing the tab made before it is needed.

File Upload237 lines1 dep
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Avatar Crop & Upload

Framing a profile photo with keyboard-operable zoom and position, showing what gets trimmed rather than hiding it behind the mask.

File Upload268 lines1 dep
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Upload Requirements Form

An upload form that states the constraints before the file is chosen, rather than rejecting it after a two-minute transfer.

File Upload184 linesNo deps
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Import From URL Form

The import path for a file that is already on the internet, which does not need to travel through the browser at all.

File Upload178 linesNo deps

Questions about file upload components

Is a drag-and-drop zone keyboard accessible?
Only if there is still a real file input underneath — which there is in all of these. The dropzone is a label for it, so Enter opens the picker and the browser handles the rest.
Where should validation happen?
Both ends. Client-side checks on type and size give instant feedback; the server has to repeat them, because the client check is a convenience and not a control.
Are these file upload components free to use?
All 7 are free to copy and use in your own projects, including commercial ones. A Pro licence exists for redistribution — shipping them inside a product other people buy — and the full terms are on the licence page.
How do I add one to my project?
Install it with the CLI: `npx hoverlab add file-dropzone` writes the component and its dependencies into your project. Every artifact here also has a copy button for the raw source, and an "Open in sandbox" link if you would rather try it first.

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