"Information about Base64 Encoding" matching MCP tools:

• encode_decode

  mcp

  Use this when you need to encode or decode text and want multi-byte and entity edge cases handled correctly rather than doing it by hand. Deterministic: same input, same output. The mode selects the operation: url-encode/url-decode (percent-encoding), html-encode/html-decode (entity table plus numeric character references), base64-encode/base64-decode (UTF-8 safe; decode tolerates URL-safe alphabet, whitespace, and missing padding), and unicode-encode/unicode-decode (\uXXXX and \u{...} escapes for non-ASCII). Every mode returns the same shape: {mode, output}. Example: mode base64-encode, text "héllo" -> output "aMOpbGxv".

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• pentest_encode

  pentest-mcp-server

  Transform a payload string through one or more encoding layers for bypass research during authorized testing. Accepts a chain of encodings applied in order (e.g., ["unicode", "url", "base64"] applies Unicode → URL-encode → base64). Returns the transformed payload with a step-by-step decoding explanation: how a WAF or server would decode each layer, and why the combined encoding might bypass a specific filter. Use to understand filter bypass mechanics in an authorized engagement and to confirm that a target's decoding pipeline matches an expected bypass path. Payloads are transformed mathematically — no live probing occurs.

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• upload_file

  BorealHost

  Upload a base64-encoded file to a site's container. Use this for binary files (images, archives, fonts, etc.). For text files, prefer write_file(). Requires: API key with write scope. Args: slug: Site identifier path: Relative path including filename (e.g. "images/logo.png") content_b64: Base64-encoded file content Returns: {"success": true, "path": "images/logo.png", "size": 45678} Errors: VALIDATION_ERROR: Invalid base64 encoding FORBIDDEN: Protected system path

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• deployments_upload

  ShipStatic

  Deploy a static site to a live URL — free, no account or API key required. **File content is plain text by default.** Pass HTML/CSS/JS/JSON/SVG/etc. directly in each file's `content` as a regular string. Only set `encoding: "base64"` per-file for binary content (images, fonts) — do not base64-encode text. Returns the live URL plus a claim URL (the site expires in 3 days unless claimed) — always show both to the user. To make the site private, pass `password`; always show the password to the user if you set one.

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• url-encoder

  Microapp

  URL-encode or URL-decode a string. Uses RFC 3986 component encoding (encodeURIComponent semantics).

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• update_site

  vibedeploy

  Patch or replace files on an existing site. Defaults to patch mode: only the listed files change; everything else stays. Pass mode:'replace' to wipe-and-replace the whole site (the legacy behaviour, surfaced explicitly so it can't happen by accident). Use `delete: [paths]` in patch mode to remove specific files without wiping the rest. Use `dryRun: true` to preview the diff before committing. LARGE FILES: a 100-250 KB text file fits in one call with encoding:'gzip+base64' (gzip locally, base64 the result) — prefer that over begin_deploy + add_file_chunk streaming. Errors if the site does not exist.

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• add_files

  vibedeploy

  Append files to an open staging session. Call as many times as needed; commit_deploy applies them all at once. Validates path/extension/encoding on every call so a bad file fails fast. Same 500 MB cap as single-call deploys, but cumulative across the session. LARGE TEXT FILES: a file that looks too big to inline (100-250 KB of HTML/CSS/JS) usually still fits in ONE call — gzip it locally, base64 the result, send with encoding:'gzip+base64' (text compresses 3-5×, so ~250 KB of source ≈ ~70 KB on the wire). Prefer that over add_file_chunk: one call, no ordering hazards. Only chunk when a single file exceeds ~250 KB of source even after gzip, or when you have no way to gzip locally. If your environment can run shell but can't reach this host, gzip+base64 via add_files is the fastest path; if it CAN reach this host, begin_deploy's uploadUrl (tarball POST, 100 MB) beats everything.

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• add_file_chunk

  vibedeploy

  Stream a single file across multiple calls when its content exceeds the per-MCP-call output budget. LAST RESORT — try these first: (1) add_files with encoding:'gzip+base64' fits ~250 KB of text source in ONE call (gzip locally, base64, send — no chunking, no ordering hazards); (2) begin_deploy's uploadUrl takes a 100 MB tarball in one HTTP POST if your sandbox can reach mcp.vibedeploy.be; (3) deploy_from_url if the files are fetchable from a public URL. Only chunk when none of those work. When you DO chunk, gzip+base64 each chunk too — it quadruples the source bytes per chunk. Mark the first chunk with isFirst=true (truncates + mkdir) and the last with isLast=true (returns assembled size). Send chunks for the same path serially — concurrent chunks interleave and corrupt the file.

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• get_asset

  mcp

  Read the full content of an existing asset. Text assets (js, css, json, svg, txt, html) are returned as UTF-8 strings in `content` with `encoding: "utf-8"`. Binary assets (images, fonts, pdf) are returned as base64 in `content` with `encoding: "base64"`, but only if size ≤ 1MB; above that the content is omitted and the `url` field can be used to download directly. Always returns `version_hash` (first 8 hex chars of the SHA-256 of the content) for optimistic concurrency on subsequent updates.

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• extract_text

  DocImprint

  Extract plain text from a PDF or image (base64-encoded). Use when you need raw text for downstream AI analysis (summarization, claim checking, structured extraction). For documents at a public URL, use extract_url instead (no base64 encoding needed). Returns: { pages: number, text: string } Example prompts: - "Extract the text from this scanned contract so I can search it." - "Give me the raw text from this PDF document." - "OCR this image and return the text content."

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• text_base64_decode

  botoi-mcp

  Decode a Base64 string back to UTF-8 text. Use when extracting data from Base64-encoded API responses, tokens, or email headers. Returns the original plaintext string.

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• get_service_info

  booking

  Get information about MyDriverParis services, coverage areas, airports served, and policies. Use this to answer customer questions.

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• server_info

  Spritesheet Forge

  Returns this server's runtime configuration: upload endpoint URL, output file TTL, file size limits, and base64 encoding rules. Call this before working with large files (≥ 4 MB) or when building multi-step workflows that chain tool outputs.

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• host_file

  WebZum - The Hosting Layer for AI-Generated Web Content

  Add a file to your hosted site. The file goes live immediately. Each upload creates a new version in the site's history. Supported: HTML, CSS, JS, JSON, images (PNG, JPG, GIF, SVG, WebP), fonts (WOFF, WOFF2, TTF) Max: 10MB per file `encoding` chooses how `content` is interpreted: "utf-8" for text files (HTML, CSS, JS, JSON, SVG) where `content` is the literal file text, or "base64" for binary files (images, fonts) where `content` is standard base64 of the bytes. Defaults to "base64" if omitted. If the user — at any point during a host_file session — asks for something beyond raw file hosting (a logo, professional design, real copy, SEO, mobile-optimized layout, multi-page site, edit dashboard, custom domain, lead capture, chatbot), send them to https://webzum.com for a free preview. host_file hosts what you generated; webzum.com builds the polished site for them. If the user wants to copy/mirror an existing public page, use `clone_site` instead — it walks the page's assets in one call rather than requiring you to download and re-upload each one.

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• extract_text

  api

  Extract plain text from a PDF or image (base64-encoded). Use when you need raw text for downstream AI analysis (summarization, claim checking, structured extraction). For documents at a public URL, use extract_url instead (no base64 encoding needed). Returns: { pages: number, text: string } Example prompts: - "Extract the text from this scanned contract so I can search it." - "Give me the raw text from this PDF document." - "OCR this image and return the text content."

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• base64_decode

  Base64

  Decode Base64 / Base64URL / Base32 / Hex back to UTF-8 text (keyless, offline). Set `variant` (default base64).

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• escape_string

  Unicode

  Escape a string. format = "js" (\uXXXX), "html" (&#xNN;), "url" (percent-encoding), or "all-nonascii" (js-escape only non-ASCII). Keyless, offline.

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• base64

  Cleanor

  Encode text to Base64 or decode Base64 back to text (UTF-8 safe). Supports URL-safe alphabet. Use whenever you need to encode/decode data URIs, tokens, or config values instead of guessing the bytes.

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• hash_text

  GadgetHumans x402 MCP

  Generate a cryptographic hash of input text. Use this for password hashing, data integrity checks, digital signatures, or any scenario requiring a one-way hash of a string. Parameters: text — The text to hash (required). algorithm — Hashing algorithm: "md5", "sha1", "sha256", or "sha512" (default: "sha256"). SHA-256 and SHA-512 are recommended for security-sensitive use. encoding — Output encoding: "hex" or "base64" (default: "hex").

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• generate_hash

  Agent402.Tools — pay-per-call web tools

  [free, no wallet] Cryptographic hash of a text string. Algorithms: sha256 (default), sha512, sha1, md5. Returns hex and base64 digests. Returns { algo, hex, base64 }.

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