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Browse the tool catalog | Page 175

Search and filter the online tool directory by task, format, and category, then open detailed pages with clear inputs, examples, and execution context. Page 175.

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Math, Date & Finance586

Calculators, numerics, date logic, statistics, and finance tools

Images, Audio & Video564

Image, audio, and video processing, conversion, and optimization tools

Design & Color284

Color, layout, graphics, visual styling, and design helper tools

Text & Writing200

Writing, cleanup, formatting, extraction, and text analysis tools

Conversion & Encoding167

Format, file, archive, unit, and encoding conversion tools

Developer & Web163

Developer utilities, networking, web debugging, and automation helpers

Audio Encoding and Format Conversion Tools

Image Format Conversion and Animated Export Tools

JSON Interchange and Format Translation Tools

Color Space Conversion Tools for Web and Print

Text Case, Encoding, and Normalization Conversion Tools

Docs Pricing Terms of Service Privacy Policy Contact

Text Processing

Bold & Italic Text

Convert text to bold, italic, or bold-italic using the Mathematical Alphanumeric Symbols Unicode block. Plain Unicode text — no font needed.

Text Processing

Bubble Text

Wrap text in enclosed/bubble Unicode glyphs — ⓐⓑⓒ — in four variants: outline, filled (❶), parens (⒜), negative (🅐).

Development

API Latency Budget Planner

Plan and visualise an API latency budget. Enter a P99 target (e.g. ≤ 300ms) and per-stage allocations (DNS, TCP, TLS, TTFB, Processing, Network) to see a live waterfall, budget utilisation, and over-budget warnings. Optionally paste an OpenTelemetry or Datadog trace to reverse-engineer a measured allocation.

Security

X.509 Certificate Decoder

Parse an X.509 SSL/TLS certificate (paste PEM or upload .pem/.crt) and inspect subject, issuer, validity period with expiry status, public key, signature algorithm, serial, SANs, key usage and fingerprint. Like openssl x509 -text, visualised. Runs locally.

Security

CRC32 Checksum

Compute the CRC32 checksum (IEEE 802.3 polynomial) of any text or raw bytes. Output as hex, decimal or binary. Accepts plain text (UTF-8) or raw bytes via hex/base64 input.

Development

Cron Expression Explainer

Parse a 5-part / 6-part / Quartz cron expression into a plain-language schedule description, show the field-by-field breakdown, and list the next N execution times in any IANA timezone — with an AI-generated natural-language explanation in your language

Data Processing

CSV Deduplicate Rows

Upload a CSV file or paste CSV text, remove duplicate rows using exact or fuzzy matching, and download a cleaned CSV.

Validation

CUSIP Validator

Validate 9-character CUSIP North American securities identifiers with mod-10 check-digit verification, issuer base and issue-number breakdown.

Design

CSS Easing and Animation Visualizer

Visualize a CSS cubic-bezier easing curve, preview it live on position/opacity/scale, pick presets, and export copy-ready CSS

Development

ASCII Table Reference

Browse the complete ASCII character table (0–127) with decimal, hex, octal, binary, HTML entity, and control character names; filter by code or name

Design

CSS Fluid Typography Clamp Calculator

Generate a clamp() expression from min and max viewport and font-size bounds, with copy-ready CSS and preview data

Development

cURL to Go (net/http) Converter

Convert a cURL command into a Go net/http code snippet with http.NewRequest, headers, and body