Universal File Identifier .file (any)
Extract metadata and view file information for unknown formats.
https://manuals.plus/viewer/file
Identify files, inspect MIME/signatures, and use browser-based utility tools for encoding, formatting, and quick transformations.
Figure out what a file is, inspect bytes/signatures, and run file-focused analysis tools.
Extract metadata and view file information for unknown formats.
https://manuals.plus/viewer/file
Open the full tools hub for encoding, decoding, hashing, parsing, and conversion utilities.
https://manuals.plus/viewer/tools
Decode Base64 payloads, tolerate data URL prefixes, detect magic bytes, and download decoded content.
https://manuals.plus/viewer/tools/base64-decoder
Encode text or files as Base64 with optional data URL output.
https://manuals.plus/viewer/tools/base64-encoder
Fault-tolerant hex decoder supporting spaced/unspaced and escaped formats.
https://manuals.plus/viewer/tools/hex-to-ascii
text/plain
Generate checksums from text or files (md5, sha*, crc32, adler32, optional HMAC).
https://manuals.plus/viewer/tools/checksum
Dedicated SHA256 checksum generation for text and file content.
https://manuals.plus/viewer/tools/sha256
Dedicated fast integrity checks for transfer and storage workflows.
https://manuals.plus/viewer/tools/crc32-adler32
External browser-local metadata utilities from exif.tools for EXIF inspection, libmagic checks, metadata stripping, optimization, and resizing.
Inspect EXIF, XMP, IPTC, ICC, GPS, hashes, magic bytes, and adjacent file metadata locally in the browser.
https://exif.tools/
image/jpeg, image/png, image/webp, image/tiff, image/heic, application/pdf
Run the full ExifTool WebAssembly build in-browser for deep raw metadata output and tag inspection.
https://exif.tools/exiftool
Use browser-side libmagic detection for MIME, human description, extension hints, and signature-oriented file checks.
https://exif.tools/file
Remove EXIF, XMP, IPTC, ICC, GPS, and related image metadata locally in the browser.
https://exif.tools/strip
image/jpeg, image/png, image/webp
Run browser-local lossless cleanup and optimization for PNG, GIF, JPEG, static WebP, and related image formats.
https://exif.tools/optimize
image/png, image/gif, image/jpeg, image/webp
Resize images locally with width, height, long-edge, quality, and output-format controls.
https://exif.tools/resize
image/jpeg, image/png, image/webp, image/avif
General conversion, formatting, and developer utility tools.
Encode text for URL-safe usage.
https://manuals.plus/viewer/tools/urlencode
text/uri-list
Decode URL text and parse scheme/domain/path/query/fragment details.
https://manuals.plus/viewer/tools/urldecode
text/uri-list
Encode/decode internationalized domain names.
https://manuals.plus/viewer/tools/punycode
Best-effort JSON formatting with tolerant parse fallbacks.
https://manuals.plus/viewer/tools/json-formatter
application/json
Best-effort JavaScript formatting for readable source output.
https://manuals.plus/viewer/tools/js-formatter
Convert epoch/ISO/local-UTC values and duration units on one page.
https://manuals.plus/viewer/tools/time
Convert text to uppercase.
https://manuals.plus/viewer/tools/strtoupper
text/plain
Convert text to lowercase.
https://manuals.plus/viewer/tools/strtolower
text/plain
Convert between snake/camel/kebab/title/sentence/upper/lower styles.
https://manuals.plus/viewer/tools/case-convert
text/plain
Per-function PHP string utilities with automatic live execution (htmlentities, iconv, trim, and more).
https://manuals.plus/viewer/tools/php
text/x-php
JavaScript string and URL function pages with auto-run output (encodeURIComponent, padStart, casing, and more).
https://manuals.plus/viewer/tools/js
Python-style string method pages with live conversion (strip, replace, zfill, splitlines, and more).
https://manuals.plus/viewer/tools/py
Convert numbers between binary/decimal/hex/base36/base58.
https://manuals.plus/viewer/tools/base-convert
Generate HMAC signatures with SHA1/SHA256/SHA512.
https://manuals.plus/viewer/tools/hmac
Generate bcrypt hashes with configurable cost.
https://manuals.plus/viewer/tools/bcrypt
Generate scrypt derived keys with tunable parameters.
https://manuals.plus/viewer/tools/scrypt
Generate Argon2id/i/d hashes with tunable settings.
https://manuals.plus/viewer/tools/argon2