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Browse the tool catalog - Security & Validation | Page 8

Validation, privacy, cryptography, and security-focused tools Page 8.

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Visualizations396

Math, Date & Finance613

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

Images, Audio & Video582

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

Design & Color291

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

Text & Writing204

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

Developer & Web172

Developer utilities, networking, web debugging, and automation helpers

Conversion & Encoding169

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

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

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Validation

IMSI Validator

Validate IMSI numbers for mobile subscribers with MCC/MNC analysis

Validation

Email Validator

Validate email addresses and check deliverability

Validation

Date & Time Validator

Validate date and time formats including ISO8601, custom formats, leap year, and month/day validation

Validation

CUSIP Validator

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

Security

CSV/JSON Data Watermarker

Inject visible or signature-style watermark fields into CSV or JSON exports so shared datasets can be traced later

Validation

Currency Validator

Validate ISO 4217 currency codes

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.

Security

Argon2 Password Hash Generator

Generate Argon2id password hashes with tunable memory, iterations, parallelism, salt length, and PHC output

Validation

Cron Expression Validator

Validate Linux Crontab定时任务表达式（分时日月周）syntax

Validation

Credit Card Validator

Validate credit card numbers and identify card type (Visa, MasterCard, UnionPay, etc.)

Security

Age-like Encrypted File Bundle

Encrypt or decrypt portable password-based file bundles with Argon2id, XChaCha20-Poly1305, and optional signatures

Security

AGEX Bundle Diff

Compare two AGEX bundles and highlight metadata or protection-setting differences