Advertisement
Translate plain text into Base64 format, URL encoding schemes, HTML entities, binary nibbles, and hexadecimal radix formats safely 100% offline in your browser.
Encode, decode, convert radix bytes, and escape HTML entities with real-time zero-server latency.
Encode text and files to Base64 or decode Base64 to plain text with UTF-8 support.
Percent-encode and decode URL parameters, query strings, and complete URIs.
Convert binary bits to hexadecimal values and decimal numbers with 4-bit nibbles.
Convert hex values (0x) to decimal numbers with arbitrary-precision BigInt support.
Escape special characters (<>&"') to named or decimal HTML entities for XSS safety.
Convert PNG, JPEG, SVG, WebP, and ICO graphics into RFC 2397 Data URIs.
Fast, private client-side Base64 encoder and decoder. Supports RFC 4648 URL-safe mode, MIME 76 line wrapping, PEM 64 chunks, RFC 4180 CSV matrix, hex dump, file upload/download, and DevToys smart clipboard detection.
Free online URL encoder decoder: percent-encode or decode URLs across 5 RFC-3986 modes with zero server uploads.
Convert binary to hexadecimal, decimal, and text 100% locally with 4-bit nibble breakdowns and bitwise logic.
Convert numbers between Hexadecimal (base-16) and Decimal (base-10) with step-by-step math proofs, binary nibbles, and IEEE-754 floats.
Pure in-memory execution designed for speed, privacy, and zero server logging.
Choose Base64, URL percent-encoding, HTML entities, Binary Hex, or Base64 Image encoder.
Paste raw text strings, encoded tokens, binary sequences, or drop graphic files into memory.
RFC 4648 and RFC 3986 parsing engines encode and decode payloads with zero server transmissions.
Copy encoded strings, formatted byte nibbles, HTML entity escapes, or Data URIs with instant toast feedback.
Compare our 100% client-side zero-server encoding utilities against traditional online converters and cloud-based formatters.
| Dimension | Telekit Encoders & Decoders | Traditional Online Converters |
|---|---|---|
| Data Transmission & Privacy | ✓ 100% local browser memory execution; zero string or file uploads across networks | Sends strings, API tokens, and images to remote servers; vulnerable to transit interception |
| Specification Compliance | ✓ Strict RFC 4648 (Base64/Base64URL), RFC 3986 (URI components), and W3C HTML5 standards | Inconsistent implementations, broken padding, and unescaped reserved URI characters |
| Binary & Multi-byte UTF-8 Safety | ✓ Full native TextEncoder / TextDecoder UTF-8 support; emojis and symbols never corrupt (mojibake) | ASCII-only or legacy character sets often corrupt emojis and international scripts |
| Offline & Air-Gapped Operation | ✓ Fully functional offline in air-gapped secure development environments without internet | Requires continuous internet access; fails on restricted enterprise intranets |
| Server Logging & Tracking | ✓ Zero telemetry, zero server access logs, zero persistent cookies or tracking tokens | Retains server-side access logs, IP history, and third-party advertising analytics scripts |
| Usage Quotas & Paywalls | ✓ 100% free with unlimited file and string lengths; zero registration or paywalls | Restricts payload sizes, throttles conversions, or demands paid subscriptions |
Everything you need to know about our encoders & decoders.
Discover adjacent browser utilities for developers, designers, and creators.
Free online social media tools: verify Telegram & WhatsApp invite links anonymously, inspect group status, and create custom QR codes with zero login required.
Merge multiple PDFs, slice page ranges, compress file sizes, convert formats, optimize SVGs, and crop graphics 100% locally in your browser with zero server uploads and lossless quality.
Free online image tools: compress photos, convert formats (WebP, PNG, JPG), crop graphics, and pick colors 100% in-browser with zero uploads or tracking.
Free online developer tools: format JSON, decode JWTs, generate UUIDs, test regex, and validate schemas 100% in-browser with zero server logging or tracking.