FILE CHECKS

Check the file itself

Eleven format-specific checks use the shared ARADURU File Doctor engine to inspect structure, integrity, metadata, and extension mismatches.

11 file checks

Excel File Check

Available XLSX

Check workbook packaging, worksheets, XML parts, archive integrity, and extension mismatches.

Open checker

Word File Check

Available DOCX

Inspect the Word package, main document XML, relationships, and filename mismatches.

Open checker

PowerPoint File Check

Available PPTX

Inspect presentation structure, slide parts, package integrity, and extension mismatches.

Open checker

PDF File Check

Available PDF

Check PDF signature, version, page tree, password protection, EOF marker, and parsing.

Open checker

ZIP File Check

Available ZIP

Check archive readability, CRC32 integrity, file counts, unpacked size, and expansion ratio.

Open checker

GZIP File Check

Available GZIP

Check GZIP headers, decompression, CRC32, ISIZE, original filename, and expansion ratio.

Open checker

TAR File Check

Available TAR

Check TAR member headers, checksums, sizes, block padding, archive-end markers, and extraction-path warnings.

Open checker

Video File Check

Available MP4 / MOV

Inspect MP4 or QuickTime containers, tracks, duration, resolution, codecs, and truncation.

Open checker

Image File Check

Available IMAGE

Check PNG, JPEG, GIF, WebP, BMP, and TIFF structure, dimensions, frames, truncation, and extension mismatches.

Open checker

Data File Check

Available DATA

Check JSON, XML, and CSV syntax, structure, delimiters, rows, columns, encoding, and extension mismatches.

Open checker

Text File Check

Available TEXT

Check text encoding, BOM markers, line endings, empty files, and unusual control characters.

Open checker
FOCUSED CHECKS

Use a smaller check when you already know what to verify

These utilities answer one narrower question without making you work through the full file-check catalogue.

COMPATIBILITY OUTLOOK

Will this file work where you need it?

Check whether the file is a plausible fit for opening, sharing, extracting, playing, or another intended use.

Open Share Extract Play media
Open Compatibility Check
UPLOAD READINESS

Will a website accept your file?

Compare the file with exact upload rules you know, without pretending one destination limit applies everywhere.

Maximum file size Allowed file types Filename length Format mismatch
Open Upload Check
UPLOAD ERROR MESSAGE

Got an upload error but do not know what it means?

Paste the exact message and separate stronger size, type, access, quota, network, service, filename, and security signals.

No file required Browser-local text Confidence shown Verified guidance
Open Upload Error Checker
UPLOAD FILENAME

Is the filename itself blocking the upload?

Check exact filename length and blocked-character rules, then review risky naming patterns without uploading the file.

No file required Length + UTF-8 bytes Blocked characters Rename suggestion
Open Upload Filename Checker
HOW ARADURU BUILDS TOOLS

Useful diagnosis before tool count.

ARADURU adds tools when they can meaningfully narrow down a real file problem. A supported format should provide more than an extension lookup: it should surface structure, integrity, metadata, or compatibility clues and explain the next step.