The online PDF suite from LudeHQ

Edit, fill, sign, and convert PDFs — right in your browser

Annotate documents, build fillable forms, collect e-signatures, and reshape files without installing anything. The convert tools run entirely in your browser; documents you save are stored securely in your workspace and encrypted in transit. An AI assistant is built in to help you along the way.

One suite, every document job

Edit

Mark up any PDF without printing it

Add text, highlight, draw, white-out, and drop shapes or images straight onto the page, then flatten and download a clean file.

  • Text boxes, highlights, and freehand drawing
  • White-out and shape tools
  • Undo, redo, zoom, and page navigation
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Fill

Build fillable forms and complete them fast

Detect existing form fields or drag your own — text, checkboxes, radios, dropdowns, dates, and signature placeholders — then fill and save.

  • Auto-detect existing AcroForm fields
  • Drag-and-drop field builder
  • Save a filled, ready-to-send PDF
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Sign

Collect e-signatures with a full audit trail

Draw, type, or upload a signature, save it for reuse, and send documents out for signature with a public signing link.

  • Draw, type, or upload signatures
  • Send-for-signature with a public link
  • Timestamped audit trail
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Convert

Merge, split, and reshape PDFs in your browser

Combine files, extract page ranges, reorder and rotate pages, turn images into PDFs, export pages as PNGs, and re-save an optimized copy. These tools run entirely in your browser — files you convert here are not uploaded for processing.

  • Merge, split, organize, and optimize
  • Images to PDF and PDF to images
  • Runs client-side in your browser
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Assist

An AI assistant that knows the suite

Stuck on a form field or a signature request? Ask the built-in AI assistant how to edit, fill, or sign your document and get a straight answer inside the app. Available on every plan, with more usage on Pro.

  • Answers questions about editing, filling, and signing
  • Available on all plans
  • Higher usage limits on Pro
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How it works

01

Bring your documents

Upload a file or pick one from your library. Saved documents live securely in your workspace; the convert tools work on files right in your browser.

02

Edit, fill, sign, or convert

Pick the tool you need. Annotate, build forms, request signatures, or reshape the file — and ask the AI assistant if you get stuck.

03

Download or send

Export a flattened PDF, download the parts, or send it out for signature.

Put your PDFs to work

Nothing to install. Create a free account and start with any document — the first 10 are on us.