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Text CleanerBuild a reusable Unicode cleanup, extraction, and formatting pipeline for untidy text and lists.Remove Duplicate LinesDeduplicate lines while controlling case, whitespace, order, and blanks.Remove Empty LinesDelete blank rows or collapse them while preserving paragraph structure.Trim WhitespaceRemove unwanted leading or trailing whitespace with indentation control.Remove Extra SpacesNormalize repeated spaces, tabs, and non-breaking spaces safely.Sort LinesSort text alphabetically, naturally, numerically, or by length.Add Prefix and SuffixWrap, number, or punctuate every line with practical presets.Delimiter ConverterConvert lists between lines, commas, tabs, pipes, and custom separators.Compare Two ListsFind unique, shared, and duplicated items across two lists.Find and ReplaceReplace plain text or guarded regular-expression matches.Case ConverterSwitch text among readable, coding, path, and letter-case formats.Word, Character and Line CounterMeasure words, grapheme 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Link GeneratorGenerate WhatsApp click-to-chat URLs from a phone number and optional messageCSV Formula Injection SanitizerNeutralize spreadsheet formula-like cells in pasted CSV without uploading the data.CSV Column Mapper and RenamerRename CSV headers and reorder selected columns locally.CSV to Markdown TableConvert a small CSV or TSV paste into a Markdown table.CSV Encoding and BOM InspectorInspect BOM markers, line endings, and byte-oriented clues in pasted CSV text.CSV Data Quality ReportProfile headers, row widths, empty values, and duplicate rows in a CSV paste.TSV and Delimited File ValidatorCheck whether delimited text has consistent columns and balanced quotes.Spreadsheet Date Serial ConverterConvert spreadsheet serial dates to ISO dates using an explicit date system.JSON and CSV Batch PreviewerPreview JSON records or CSV rows as a compact local report.CSP Header Builder and ValidatorBuild and inspect a Content-Security-Policy from pasted directives.SRI Hash GeneratorGenerate a browser-local SHA-256 Subresource Integrity token for pasted asset text.HTTP Security Headers AnalyzerAnalyze pasted HTTP response headers for common security controls.X.509 Certificate DecoderInspect pasted PEM certificate metadata locally.SSH Public Key Fingerprint InspectorInspect SSH public key format and calculate a local fingerprint.JWT Claims and Expiry InspectorDecode JWT claims and explain standard time claims without verifying a signature.JSON Web Key Set InspectorInspect a pasted JWK or JWKS structure without fetching remote keys.Environment Variable Secret ScannerScan pasted .env-style text for likely secrets and risky variable names.Markdown Table of Contents GeneratorGenerate a nested Markdown table of contents from heading lines.Markdown LinterCheck pasted Markdown for common heading, spacing, and list consistency issues.HTML Sanitization PreviewerPreview a conservative sanitized version of pasted HTML.HTML Accessibility CheckerCheck pasted HTML for common image, link, heading, and form labeling issues.Meta Title and Description PreviewerPreview title and description lengths for search and social snippets.robots.txt Generator and ValidatorGenerate and inspect robots.txt directives from pasted path rules.Sitemap XML Generator and ValidatorValidate pasted URLs and generate a simple local sitemap XML document.JSON-LD Formatter and ValidatorFormat pasted JSON-LD and check basic context and type structure.

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Developer tools

JWT Claims and Expiry Inspector

Inspect token timing and audience fields during local debugging.

Processed locally. Your input and output are never uploaded.

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Input0 lines ยท 0 characters
Output0 lines ยท 0 characters
OptionsAdjust how this tool processes your text
JWT Claims and Expiry Inspector Options
Press Ctrl/Cmd + Enter to process

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Tool overview

JWT Claims and Expiry Inspector tool overview

Decode JWT claims and explain standard time claims without verifying a signature. PasteTidy keeps the source and generated result separate so the transformation can be reviewed before copying or downloading.

JWT Claims and Expiry Inspector workflows

  • Prepare jwt claims and expiry inspector output for a repeatable workflow
  • Review local results before publishing or importing
  • Keep sensitive pasted content in the current browser tab

Use JWT Claims and Expiry Inspector locally

  1. Paste the source text or load the example.
  2. Choose the documented options.
  3. Review the result and any warnings before copying it.

JWT Claims and Expiry Inspector controls

  • Options are explicit and affect only the local result.
  • The output remains separate from the source for review.
  • No input or output is placed in URLs or analytics.

JWT Claims and Expiry Inspector example

Before
eyJhbGciOiJub25lIn0.eyJzdWIiOiIxMjMiLCJleHAiOjQxMDI0NDQ4MDB9.
After
Header: alg=none
Subject: 123
Expiration: 2100-01-01T00:00:00.000Z
Signature verified: no

JWT Claims and Expiry Inspector limits and excluded claims

  • Decoding claims is not signature verification or authorization.
  • Malformed or ambiguous input may require manual review.
  • Large inputs remain subject to browser memory and shared worker limits.

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Questions

JWT Claims and Expiry Inspector FAQ

Does JWT Claims and Expiry Inspector upload my input?

No. It runs locally in your browser without an upload endpoint.

Is the result authoritative?

Decoding claims is not signature verification or authorization.

Can I review the source after processing?

Yes. The input remains separate from the generated result until you reset or replace it.