Polyfile Alternatives
Similar projects and alternatives to polyfile
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InfluxDB
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pdfplumber
Plumb a PDF for detailed information about each char, rectangle, line, et cetera — and easily extract text and tables.
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PyMuPDF
PyMuPDF is a high performance Python library for data extraction, analysis, conversion & manipulation of PDF (and other) documents.
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WorkOS
The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.
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polytracker
An LLVM-based instrumentation tool for universal taint tracking, dataflow analysis, and tracing.
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i7j-rups
RUPS is an acronym for Reading and Updating PDF Syntax. RUPS is a tool built on top of iText® that allows you to look inside a PDF document and browse the different PDF objects and content streams.
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pdf-issues
Industry-based resolutions for issues and errata reported against any PDF-related specification
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SaaSHub
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polyfile reviews and mentions
- Blind Spots: Automatically detecting ignored program inputs
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Show HN: I am building a new Python library to read/write PDF files
Be careful with PDF! There are many ambiguities in the specification that are implemented differently between parsers, as well as implicitly accepted malformations that almost all parsers will silently accept without warning. It is very easy to accidentally produce so-called file format schizophrenia: When the same file is rendered differently between two parsers. For example, with PDF, what if you have a PDF object stream that has a length that doesn't agree with the position of its `endstream` token? What if you have a PDF dictionary with duplicate keys? Do you use the value of the first key or the second? What if you have two, valid PDFs concatenated one after the other? Do you render the first or the second? What if an object in the XREF table has an incorrect offset?
Shameless plug: I am one of the maintainers of PolyFile, which, among other things, can produce an interactive HTML hex editor with an annotated syntax tree for dozens of filetypes, including PDF. For PDF, it uses a dynamically instrumented version of the PDFminer parser. It sounds like it might satisfy your use case.
https://github.com/trailofbits/polyfile
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trailofbits/polyfile is an open source project licensed under Apache License 2.0 which is an OSI approved license.
The primary programming language of polyfile is Python.
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